./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-tmp.no-commuhash-c3fed41 [2021-12-18 05:24:44,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:24:44,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:24:44,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:24:44,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:24:44,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:24:44,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:24:44,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:24:44,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:24:44,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:24:44,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:24:44,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:24:44,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:24:44,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:24:44,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:24:44,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:24:44,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:24:44,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:24:44,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:24:44,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:24:44,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:24:44,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:24:44,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:24:44,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:24:44,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:24:44,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:24:44,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:24:44,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:24:44,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:24:44,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:24:44,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:24:44,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:24:44,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:24:44,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:24:44,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:24:44,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:24:44,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:24:44,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:24:44,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:24:44,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:24:44,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:24:44,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:24:44,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:24:44,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:24:44,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:24:44,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:24:44,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:24:44,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:24:44,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:24:44,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:24:44,694 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:24:44,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:24:44,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:24:44,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:24:44,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:24:44,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:24:44,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:24:44,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:24:44,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:24:44,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:24:44,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:24:44,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:24:44,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:24:44,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:24:44,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:24:44,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:24:44,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:24:44,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:24:44,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-12-18 05:24:44,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:24:44,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:24:44,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:24:44,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:24:44,947 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:24:44,948 INFO L432 ainManager$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 [2021-12-18 05:24:45,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a75a80a/67c28f9154f14d4388d6c18d47ea734f/FLAGd0929b96d [2021-12-18 05:24:45,618 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:24:45,618 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 [2021-12-18 05:24:45,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a75a80a/67c28f9154f14d4388d6c18d47ea734f/FLAGd0929b96d [2021-12-18 05:24:46,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a75a80a/67c28f9154f14d4388d6c18d47ea734f [2021-12-18 05:24:46,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:24:46,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:24:46,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:24:46,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:24:46,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:24:46,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:24:46" (1/1) ... [2021-12-18 05:24:46,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7832c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:46, skipping insertion in model container [2021-12-18 05:24:46,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:24:46" (1/1) ... [2021-12-18 05:24:46,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:24:46,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:24:46,905 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] [2021-12-18 05:24:46,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:24:46,943 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:24:47,235 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] [2021-12-18 05:24:47,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:24:47,286 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:24:47,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47 WrapperNode [2021-12-18 05:24:47,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:24:47,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:24:47,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:24:47,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:24:47,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,449 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1905 [2021-12-18 05:24:47,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:24:47,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:24:47,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:24:47,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:24:47,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:24:47,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:24:47,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:24:47,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:24:47,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (1/1) ... [2021-12-18 05:24:47,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:24:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:24:47,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 05:24:47,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 05:24:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 05:24:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 05:24:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 05:24:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:24:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:24:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:24:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:24:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:24:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 05:24:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 05:24:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-18 05:24:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-18 05:24:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:24:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:24:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 05:24:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 05:24:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:24:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:24:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 05:24:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 05:24:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:24:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:24:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-18 05:24:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-18 05:24:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 05:24:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-12-18 05:24:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-12-18 05:24:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 05:24:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 05:24:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:24:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:24:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-18 05:24:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-18 05:24:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:24:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 05:24:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 05:24:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:24:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-12-18 05:24:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-12-18 05:24:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-12-18 05:24:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-12-18 05:24:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:24:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:24:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:24:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-12-18 05:24:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-12-18 05:24:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 05:24:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 05:24:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 05:24:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 05:24:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-12-18 05:24:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-12-18 05:24:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:24:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:24:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-12-18 05:24:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-12-18 05:24:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-18 05:24:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-18 05:24:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 05:24:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 05:24:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 05:24:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 05:24:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:24:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-12-18 05:24:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-12-18 05:24:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 05:24:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:24:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:24:48,102 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:24:48,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:24:48,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:24:51,968 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:24:51,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:24:51,980 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:24:51,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:24:51 BoogieIcfgContainer [2021-12-18 05:24:51,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:24:51,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:24:51,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:24:51,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:24:51,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:24:46" (1/3) ... [2021-12-18 05:24:51,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2756f7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:24:51, skipping insertion in model container [2021-12-18 05:24:51,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:24:47" (2/3) ... [2021-12-18 05:24:51,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2756f7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:24:51, skipping insertion in model container [2021-12-18 05:24:51,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:24:51" (3/3) ... [2021-12-18 05:24:51,992 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 [2021-12-18 05:24:51,996 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:24:51,997 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:24:52,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:24:52,063 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:24:52,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:24:52,104 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) [2021-12-18 05:24:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 05:24:52,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:24:52,128 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:24:52,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:24:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:24:52,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2036575917, now seen corresponding path program 1 times [2021-12-18 05:24:52,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:24:52,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959500232] [2021-12-18 05:24:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:24:52,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:24:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:24:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:24:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:24:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:24:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:24:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:24:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:24:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:24:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:24:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:24:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:24:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:24:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-18 05:24:52,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:24:52,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959500232] [2021-12-18 05:24:52,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959500232] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:24:52,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:24:52,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:24:52,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717328862] [2021-12-18 05:24:52,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:24:52,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:24:52,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:24:52,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:24:52,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:24:52,938 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 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) [2021-12-18 05:24:55,536 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 [] [2021-12-18 05:24:56,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:24:56,448 INFO L93 Difference]: Finished difference Result 1285 states and 1965 transitions. [2021-12-18 05:24:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:24:56,451 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 [2021-12-18 05:24:56,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:24:56,474 INFO L225 Difference]: With dead ends: 1285 [2021-12-18 05:24:56,479 INFO L226 Difference]: Without dead ends: 686 [2021-12-18 05:24:56,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:24:56,498 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 537 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 437 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:24:56,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [559 Valid, 2157 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 626 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 05:24:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-12-18 05:24:56,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 571. [2021-12-18 05:24:56,576 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) [2021-12-18 05:24:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 827 transitions. [2021-12-18 05:24:56,581 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 827 transitions. Word has length 128 [2021-12-18 05:24:56,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:24:56,582 INFO L470 AbstractCegarLoop]: Abstraction has 571 states and 827 transitions. [2021-12-18 05:24:56,582 INFO L471 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) [2021-12-18 05:24:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 827 transitions. [2021-12-18 05:24:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 05:24:56,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:24:56,586 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:24:56,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:24:56,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:24:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:24:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash 282871191, now seen corresponding path program 1 times [2021-12-18 05:24:56,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:24:56,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742174474] [2021-12-18 05:24:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:24:56,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:24:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:24:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:24:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:24:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:24:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:24:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:24:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:24:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:24:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:24:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:24:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:24:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:24:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:24:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:24:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-18 05:24:56,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:24:56,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742174474] [2021-12-18 05:24:56,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742174474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:24:56,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:24:56,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:24:56,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668336451] [2021-12-18 05:24:56,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:24:56,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:24:56,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:24:56,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:24:56,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:24:56,901 INFO L87 Difference]: Start difference. First operand 571 states and 827 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) [2021-12-18 05:24:59,513 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 [] [2021-12-18 05:25:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:00,368 INFO L93 Difference]: Finished difference Result 1289 states and 1901 transitions. [2021-12-18 05:25:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:25:00,369 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 [2021-12-18 05:25:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:00,375 INFO L225 Difference]: With dead ends: 1289 [2021-12-18 05:25:00,375 INFO L226 Difference]: Without dead ends: 749 [2021-12-18 05:25:00,377 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:00,378 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 886 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 610 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:00,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 2243 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 797 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 05:25:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2021-12-18 05:25:00,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 632. [2021-12-18 05:25:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 488 states have (on average 1.3913934426229508) internal successors, (679), 490 states have internal predecessors, (679), 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) [2021-12-18 05:25:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 905 transitions. [2021-12-18 05:25:00,414 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 905 transitions. Word has length 128 [2021-12-18 05:25:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:00,415 INFO L470 AbstractCegarLoop]: Abstraction has 632 states and 905 transitions. [2021-12-18 05:25:00,415 INFO L471 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) [2021-12-18 05:25:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 905 transitions. [2021-12-18 05:25:00,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-18 05:25:00,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:00,418 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:00,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:25:00,418 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:00,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:00,419 INFO L85 PathProgramCache]: Analyzing trace with hash -971627008, now seen corresponding path program 1 times [2021-12-18 05:25:00,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:00,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148066976] [2021-12-18 05:25:00,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:00,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:25:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-12-18 05:25:00,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:00,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148066976] [2021-12-18 05:25:00,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148066976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:00,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:00,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:00,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895100727] [2021-12-18 05:25:00,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:00,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:00,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:00,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:00,786 INFO L87 Difference]: Start difference. First operand 632 states and 905 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) [2021-12-18 05:25:03,549 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 [] [2021-12-18 05:25:04,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:04,665 INFO L93 Difference]: Finished difference Result 1706 states and 2508 transitions. [2021-12-18 05:25:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:25:04,666 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 [2021-12-18 05:25:04,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:04,673 INFO L225 Difference]: With dead ends: 1706 [2021-12-18 05:25:04,674 INFO L226 Difference]: Without dead ends: 1111 [2021-12-18 05:25:04,676 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:04,677 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 1401 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 831 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:04,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1437 Valid, 2421 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [831 Valid, 1164 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-18 05:25:04,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-12-18 05:25:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 918. [2021-12-18 05:25:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 719 states have (on average 1.3741307371349096) internal successors, (988), 723 states have internal predecessors, (988), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2021-12-18 05:25:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1297 transitions. [2021-12-18 05:25:04,760 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1297 transitions. Word has length 196 [2021-12-18 05:25:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:04,763 INFO L470 AbstractCegarLoop]: Abstraction has 918 states and 1297 transitions. [2021-12-18 05:25:04,764 INFO L471 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) [2021-12-18 05:25:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1297 transitions. [2021-12-18 05:25:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 05:25:04,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:04,770 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:04,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:25:04,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:04,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:04,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2029972223, now seen corresponding path program 1 times [2021-12-18 05:25:04,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:04,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735297209] [2021-12-18 05:25:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 05:25:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-12-18 05:25:05,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:05,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735297209] [2021-12-18 05:25:05,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735297209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:05,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:05,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:05,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068817596] [2021-12-18 05:25:05,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:05,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:05,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:05,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:05,077 INFO L87 Difference]: Start difference. First operand 918 states and 1297 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) [2021-12-18 05:25:07,581 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 [] [2021-12-18 05:25:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:08,302 INFO L93 Difference]: Finished difference Result 1994 states and 2880 transitions. [2021-12-18 05:25:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:25:08,303 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 [2021-12-18 05:25:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:08,309 INFO L225 Difference]: With dead ends: 1994 [2021-12-18 05:25:08,309 INFO L226 Difference]: Without dead ends: 1113 [2021-12-18 05:25:08,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:25:08,315 INFO L933 BasicCegarLoop]: 799 mSDtfsCounter, 841 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 608 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:08,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 2353 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 637 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-12-18 05:25:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-12-18 05:25:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 919. [2021-12-18 05:25:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 720 states have (on average 1.3736111111111111) internal successors, (989), 724 states have internal predecessors, (989), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2021-12-18 05:25:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1298 transitions. [2021-12-18 05:25:08,351 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1298 transitions. Word has length 206 [2021-12-18 05:25:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:08,353 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 1298 transitions. [2021-12-18 05:25:08,354 INFO L471 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) [2021-12-18 05:25:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1298 transitions. [2021-12-18 05:25:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 05:25:08,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:08,357 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:08,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:25:08,357 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:08,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:08,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1972713921, now seen corresponding path program 1 times [2021-12-18 05:25:08,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:08,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784108632] [2021-12-18 05:25:08,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:08,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 05:25:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-12-18 05:25:08,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:08,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784108632] [2021-12-18 05:25:08,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784108632] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:08,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:08,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:08,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860300498] [2021-12-18 05:25:08,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:08,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:08,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:08,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:08,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:08,759 INFO L87 Difference]: Start difference. First operand 919 states and 1298 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) [2021-12-18 05:25:11,339 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 [] [2021-12-18 05:25:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:12,883 INFO L93 Difference]: Finished difference Result 2159 states and 3154 transitions. [2021-12-18 05:25:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:25:12,884 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 [2021-12-18 05:25:12,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:12,897 INFO L225 Difference]: With dead ends: 2159 [2021-12-18 05:25:12,898 INFO L226 Difference]: Without dead ends: 2157 [2021-12-18 05:25:12,899 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:12,899 INFO L933 BasicCegarLoop]: 889 mSDtfsCounter, 1895 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 976 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 976 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:12,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 2514 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [976 Valid, 1037 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 05:25:12,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2021-12-18 05:25:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 1743. [2021-12-18 05:25:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1371 states have (on average 1.3822027716994894) internal successors, (1895), 1379 states have internal predecessors, (1895), 274 states have call successors, (274), 94 states have call predecessors, (274), 97 states have return successors, (293), 275 states have call predecessors, (293), 274 states have call successors, (293) [2021-12-18 05:25:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2462 transitions. [2021-12-18 05:25:12,996 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2462 transitions. Word has length 206 [2021-12-18 05:25:12,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:12,997 INFO L470 AbstractCegarLoop]: Abstraction has 1743 states and 2462 transitions. [2021-12-18 05:25:12,997 INFO L471 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) [2021-12-18 05:25:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2462 transitions. [2021-12-18 05:25:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-18 05:25:13,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:13,001 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:13,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 05:25:13,002 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1543788893, now seen corresponding path program 1 times [2021-12-18 05:25:13,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:13,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44799396] [2021-12-18 05:25:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:13,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 05:25:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-12-18 05:25:13,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:13,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44799396] [2021-12-18 05:25:13,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44799396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:13,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:13,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:13,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959778020] [2021-12-18 05:25:13,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:13,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:13,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:13,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:13,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:13,271 INFO L87 Difference]: Start difference. First operand 1743 states and 2462 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) [2021-12-18 05:25:16,039 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 [] [2021-12-18 05:25:17,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:17,312 INFO L93 Difference]: Finished difference Result 4583 states and 6633 transitions. [2021-12-18 05:25:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:25:17,312 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 [2021-12-18 05:25:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:17,327 INFO L225 Difference]: With dead ends: 4583 [2021-12-18 05:25:17,328 INFO L226 Difference]: Without dead ends: 2877 [2021-12-18 05:25:17,332 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:17,334 INFO L933 BasicCegarLoop]: 1024 mSDtfsCounter, 1046 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:17,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 2995 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1268 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 05:25:17,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2021-12-18 05:25:17,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2249. [2021-12-18 05:25:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 1781 states have (on average 1.3722627737226278) internal successors, (2444), 1791 states have internal predecessors, (2444), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2021-12-18 05:25:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3130 transitions. [2021-12-18 05:25:17,423 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3130 transitions. Word has length 215 [2021-12-18 05:25:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:17,423 INFO L470 AbstractCegarLoop]: Abstraction has 2249 states and 3130 transitions. [2021-12-18 05:25:17,423 INFO L471 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) [2021-12-18 05:25:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3130 transitions. [2021-12-18 05:25:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-18 05:25:17,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:17,427 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:17,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 05:25:17,428 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:17,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:17,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1934647390, now seen corresponding path program 1 times [2021-12-18 05:25:17,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:17,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116469744] [2021-12-18 05:25:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:17,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 05:25:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-18 05:25:17,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:17,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116469744] [2021-12-18 05:25:17,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116469744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:17,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:17,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:25:17,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533133945] [2021-12-18 05:25:17,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:17,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:25:17,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:17,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:25:17,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:25:17,753 INFO L87 Difference]: Start difference. First operand 2249 states and 3130 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) [2021-12-18 05:25:20,528 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 [] [2021-12-18 05:25:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:21,959 INFO L93 Difference]: Finished difference Result 6703 states and 9509 transitions. [2021-12-18 05:25:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 05:25:21,960 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 [2021-12-18 05:25:21,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:21,981 INFO L225 Difference]: With dead ends: 6703 [2021-12-18 05:25:21,981 INFO L226 Difference]: Without dead ends: 4491 [2021-12-18 05:25:21,987 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:21,988 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 1548 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 937 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3941 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:21,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1578 Valid, 3941 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [937 Valid, 1336 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 05:25:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2021-12-18 05:25:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 2253. [2021-12-18 05:25:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 1785 states have (on average 1.3714285714285714) internal successors, (2448), 1795 states have internal predecessors, (2448), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2021-12-18 05:25:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3134 transitions. [2021-12-18 05:25:22,099 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3134 transitions. Word has length 236 [2021-12-18 05:25:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:22,100 INFO L470 AbstractCegarLoop]: Abstraction has 2253 states and 3134 transitions. [2021-12-18 05:25:22,100 INFO L471 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) [2021-12-18 05:25:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3134 transitions. [2021-12-18 05:25:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-18 05:25:22,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:22,105 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:22,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 05:25:22,105 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:22,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash -902031644, now seen corresponding path program 1 times [2021-12-18 05:25:22,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:22,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103469242] [2021-12-18 05:25:22,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:22,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:25:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-18 05:25:22,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:22,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103469242] [2021-12-18 05:25:22,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103469242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:22,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:22,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:22,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988843629] [2021-12-18 05:25:22,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:22,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:22,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:22,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:22,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:22,408 INFO L87 Difference]: Start difference. First operand 2253 states and 3134 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) [2021-12-18 05:25:24,972 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 [] [2021-12-18 05:25:26,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:26,090 INFO L93 Difference]: Finished difference Result 5835 states and 8323 transitions. [2021-12-18 05:25:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:25:26,091 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 [2021-12-18 05:25:26,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:26,107 INFO L225 Difference]: With dead ends: 5835 [2021-12-18 05:25:26,107 INFO L226 Difference]: Without dead ends: 3619 [2021-12-18 05:25:26,113 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:26,113 INFO L933 BasicCegarLoop]: 1104 mSDtfsCounter, 1187 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 731 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 2616 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:26,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1241 Valid, 2616 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 1085 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 05:25:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2021-12-18 05:25:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 2777. [2021-12-18 05:25:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2207 states have (on average 1.363389216130494) internal successors, (3009), 2219 states have internal predecessors, (3009), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3813 transitions. [2021-12-18 05:25:26,224 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3813 transitions. Word has length 242 [2021-12-18 05:25:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:26,224 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 3813 transitions. [2021-12-18 05:25:26,225 INFO L471 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) [2021-12-18 05:25:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3813 transitions. [2021-12-18 05:25:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-18 05:25:26,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:26,230 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:26,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 05:25:26,230 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:26,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:26,231 INFO L85 PathProgramCache]: Analyzing trace with hash 256272985, now seen corresponding path program 1 times [2021-12-18 05:25:26,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:26,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656566599] [2021-12-18 05:25:26,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:26,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 05:25:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-18 05:25:26,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:26,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656566599] [2021-12-18 05:25:26,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656566599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:26,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:26,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:26,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537099749] [2021-12-18 05:25:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:26,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:26,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:26,660 INFO L87 Difference]: Start difference. First operand 2777 states and 3813 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) [2021-12-18 05:25:28,377 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 [] [2021-12-18 05:25:30,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:25:32,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:25:34,731 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 [] [2021-12-18 05:25:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:35,581 INFO L93 Difference]: Finished difference Result 6357 states and 8964 transitions. [2021-12-18 05:25:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:25:35,582 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 [2021-12-18 05:25:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:35,598 INFO L225 Difference]: With dead ends: 6357 [2021-12-18 05:25:35,598 INFO L226 Difference]: Without dead ends: 3617 [2021-12-18 05:25:35,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:25:35,605 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1104 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 457 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:35,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1187 Valid, 2217 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 990 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2021-12-18 05:25:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2021-12-18 05:25:35,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 2777. [2021-12-18 05:25:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2207 states have (on average 1.319438151336656) internal successors, (2912), 2219 states have internal predecessors, (2912), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3716 transitions. [2021-12-18 05:25:35,719 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3716 transitions. Word has length 285 [2021-12-18 05:25:35,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:35,720 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 3716 transitions. [2021-12-18 05:25:35,720 INFO L471 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) [2021-12-18 05:25:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3716 transitions. [2021-12-18 05:25:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-18 05:25:35,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:35,726 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:35,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 05:25:35,726 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:35,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:35,726 INFO L85 PathProgramCache]: Analyzing trace with hash -724120619, now seen corresponding path program 1 times [2021-12-18 05:25:35,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:35,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217281365] [2021-12-18 05:25:35,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:35,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 05:25:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-18 05:25:36,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:36,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217281365] [2021-12-18 05:25:36,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217281365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:36,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:36,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:25:36,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807196979] [2021-12-18 05:25:36,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:36,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:25:36,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:36,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:25:36,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:25:36,061 INFO L87 Difference]: Start difference. First operand 2777 states and 3716 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) [2021-12-18 05:25:38,406 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 [] [2021-12-18 05:25:40,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:40,270 INFO L93 Difference]: Finished difference Result 8869 states and 12127 transitions. [2021-12-18 05:25:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 05:25:40,271 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 [2021-12-18 05:25:40,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:40,294 INFO L225 Difference]: With dead ends: 8869 [2021-12-18 05:25:40,294 INFO L226 Difference]: Without dead ends: 6129 [2021-12-18 05:25:40,300 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:40,301 INFO L933 BasicCegarLoop]: 1336 mSDtfsCounter, 1364 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 771 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 4274 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 771 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:40,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1410 Valid, 4274 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [771 Valid, 1707 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 05:25:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6129 states. [2021-12-18 05:25:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6129 to 2781. [2021-12-18 05:25:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2211 states have (on average 1.3188602442333786) internal successors, (2916), 2223 states have internal predecessors, (2916), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3720 transitions. [2021-12-18 05:25:40,437 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3720 transitions. Word has length 285 [2021-12-18 05:25:40,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:40,437 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 3720 transitions. [2021-12-18 05:25:40,438 INFO L471 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) [2021-12-18 05:25:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3720 transitions. [2021-12-18 05:25:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-18 05:25:40,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:40,444 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:40,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 05:25:40,445 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2051807752, now seen corresponding path program 1 times [2021-12-18 05:25:40,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:40,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134363529] [2021-12-18 05:25:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:40,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:25:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 05:25:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 05:25:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 05:25:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 05:25:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:25:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 05:25:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-12-18 05:25:40,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:40,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134363529] [2021-12-18 05:25:40,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134363529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:40,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:40,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:25:40,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195497469] [2021-12-18 05:25:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:40,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:25:40,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:25:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:25:40,881 INFO L87 Difference]: Start difference. First operand 2781 states and 3720 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) [2021-12-18 05:25:43,198 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 [] [2021-12-18 05:25:43,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:43,995 INFO L93 Difference]: Finished difference Result 6365 states and 8693 transitions. [2021-12-18 05:25:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:25:43,997 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 [2021-12-18 05:25:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:44,015 INFO L225 Difference]: With dead ends: 6365 [2021-12-18 05:25:44,015 INFO L226 Difference]: Without dead ends: 3621 [2021-12-18 05:25:44,022 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:44,022 INFO L933 BasicCegarLoop]: 786 mSDtfsCounter, 745 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 601 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:44,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 2705 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 851 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 05:25:44,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2021-12-18 05:25:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 2783. [2021-12-18 05:25:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2213 states have (on average 1.3185720741075464) internal successors, (2918), 2225 states have internal predecessors, (2918), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3722 transitions. [2021-12-18 05:25:44,169 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3722 transitions. Word has length 338 [2021-12-18 05:25:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:44,170 INFO L470 AbstractCegarLoop]: Abstraction has 2783 states and 3722 transitions. [2021-12-18 05:25:44,170 INFO L471 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) [2021-12-18 05:25:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3722 transitions. [2021-12-18 05:25:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-18 05:25:44,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:44,177 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:44,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 05:25:44,178 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:44,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:44,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1583628022, now seen corresponding path program 1 times [2021-12-18 05:25:44,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:44,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816549094] [2021-12-18 05:25:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:44,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:25:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 05:25:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 05:25:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 05:25:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 05:25:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:25:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 05:25:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-12-18 05:25:44,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:44,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816549094] [2021-12-18 05:25:44,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816549094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:44,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:44,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:25:44,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519461139] [2021-12-18 05:25:44,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:44,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:25:44,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:44,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:25:44,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:25:44,579 INFO L87 Difference]: Start difference. First operand 2783 states and 3722 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) [2021-12-18 05:25:47,024 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 [] [2021-12-18 05:25:48,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:48,082 INFO L93 Difference]: Finished difference Result 6369 states and 8697 transitions. [2021-12-18 05:25:48,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:25:48,083 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 [2021-12-18 05:25:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:48,102 INFO L225 Difference]: With dead ends: 6369 [2021-12-18 05:25:48,102 INFO L226 Difference]: Without dead ends: 3623 [2021-12-18 05:25:48,108 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:48,109 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 410 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 303 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 3432 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:48,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 3432 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 05:25:48,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2021-12-18 05:25:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 2785. [2021-12-18 05:25:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2215 states have (on average 1.3182844243792324) internal successors, (2920), 2227 states have internal predecessors, (2920), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3724 transitions. [2021-12-18 05:25:48,225 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3724 transitions. Word has length 338 [2021-12-18 05:25:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:48,225 INFO L470 AbstractCegarLoop]: Abstraction has 2785 states and 3724 transitions. [2021-12-18 05:25:48,226 INFO L471 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) [2021-12-18 05:25:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3724 transitions. [2021-12-18 05:25:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-18 05:25:48,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:48,243 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:48,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 05:25:48,244 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:48,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1308868408, now seen corresponding path program 1 times [2021-12-18 05:25:48,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:48,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030376597] [2021-12-18 05:25:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:48,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:25:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 05:25:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 05:25:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 05:25:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 05:25:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:25:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 05:25:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-12-18 05:25:48,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:48,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030376597] [2021-12-18 05:25:48,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030376597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:48,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:48,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 05:25:48,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666788812] [2021-12-18 05:25:48,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:48,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 05:25:48,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:48,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 05:25:48,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:25:48,608 INFO L87 Difference]: Start difference. First operand 2785 states and 3724 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) [2021-12-18 05:25:51,046 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 [] [2021-12-18 05:25:52,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:52,077 INFO L93 Difference]: Finished difference Result 6377 states and 8705 transitions. [2021-12-18 05:25:52,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:25:52,078 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 [2021-12-18 05:25:52,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:52,088 INFO L225 Difference]: With dead ends: 6377 [2021-12-18 05:25:52,089 INFO L226 Difference]: Without dead ends: 3629 [2021-12-18 05:25:52,094 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:52,095 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 717 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 575 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 3237 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:52,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 3237 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1032 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 05:25:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3629 states. [2021-12-18 05:25:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3629 to 2789. [2021-12-18 05:25:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2789 states, 2219 states have (on average 1.3177106804867058) internal successors, (2924), 2231 states have internal predecessors, (2924), 394 states have call successors, (394), 172 states have call predecessors, (394), 175 states have return successors, (410), 395 states have call predecessors, (410), 394 states have call successors, (410) [2021-12-18 05:25:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 3728 transitions. [2021-12-18 05:25:52,202 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 3728 transitions. Word has length 338 [2021-12-18 05:25:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:52,202 INFO L470 AbstractCegarLoop]: Abstraction has 2789 states and 3728 transitions. [2021-12-18 05:25:52,203 INFO L471 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) [2021-12-18 05:25:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3728 transitions. [2021-12-18 05:25:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-18 05:25:52,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:52,207 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:52,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 05:25:52,208 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:52,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:52,208 INFO L85 PathProgramCache]: Analyzing trace with hash 742115590, now seen corresponding path program 1 times [2021-12-18 05:25:52,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:52,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19635371] [2021-12-18 05:25:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:52,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:25:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:25:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:25:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 05:25:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:25:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:25:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:25:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 05:25:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 05:25:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 05:25:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 05:25:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:25:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 05:25:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2021-12-18 05:25:52,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:52,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19635371] [2021-12-18 05:25:52,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19635371] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:25:52,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566637967] [2021-12-18 05:25:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:52,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:25:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:25:52,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:25:52,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:25:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:53,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 05:25:53,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:25:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2021-12-18 05:25:53,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:25:53,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566637967] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:53,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:25:53,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2021-12-18 05:25:53,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344053743] [2021-12-18 05:25:53,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:53,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:25:53,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:53,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:25:53,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:25:53,773 INFO L87 Difference]: Start difference. First operand 2789 states and 3728 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) [2021-12-18 05:25:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:53,999 INFO L93 Difference]: Finished difference Result 8285 states and 11060 transitions. [2021-12-18 05:25:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:25:54,000 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 [2021-12-18 05:25:54,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:54,016 INFO L225 Difference]: With dead ends: 8285 [2021-12-18 05:25:54,016 INFO L226 Difference]: Without dead ends: 5403 [2021-12-18 05:25:54,022 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:54,023 INFO L933 BasicCegarLoop]: 1532 mSDtfsCounter, 742 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5372 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 [2021-12-18 05:25:54,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [743 Valid, 5372 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:25:54,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2021-12-18 05:25:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 5299. [2021-12-18 05:25:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 4228 states have (on average 1.3181173131504258) internal successors, (5573), 4241 states have internal predecessors, (5573), 745 states have call successors, (745), 319 states have call predecessors, (745), 325 states have return successors, (777), 738 states have call predecessors, (777), 745 states have call successors, (777) [2021-12-18 05:25:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 7095 transitions. [2021-12-18 05:25:54,243 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 7095 transitions. Word has length 338 [2021-12-18 05:25:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:54,243 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 7095 transitions. [2021-12-18 05:25:54,244 INFO L471 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) [2021-12-18 05:25:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 7095 transitions. [2021-12-18 05:25:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-18 05:25:54,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:54,251 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:54,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 05:25:54,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-18 05:25:54,468 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:54,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1219083239, now seen corresponding path program 1 times [2021-12-18 05:25:54,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:54,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678773436] [2021-12-18 05:25:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:54,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 05:25:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 05:25:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:25:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:25:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:25:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:25:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:25:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:25:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:25:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 05:25:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 05:25:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 05:25:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 05:25:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 05:25:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 05:25:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:25:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 05:25:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 05:25:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 05:25:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:25:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 05:25:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 05:25:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 05:25:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2021-12-18 05:25:54,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678773436] [2021-12-18 05:25:54,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678773436] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:25:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296546224] [2021-12-18 05:25:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:54,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:25:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:25:54,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:25:55,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:25:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:55,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 3052 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-18 05:25:55,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:25:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2021-12-18 05:25:56,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:25:56,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296546224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:56,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:25:56,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2021-12-18 05:25:56,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802269943] [2021-12-18 05:25:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:56,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:56,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:56,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-12-18 05:25:56,639 INFO L87 Difference]: Start difference. First operand 5299 states and 7095 transitions. Second operand has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:25:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:56,905 INFO L93 Difference]: Finished difference Result 10623 states and 14236 transitions. [2021-12-18 05:25:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:25:56,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 358 [2021-12-18 05:25:56,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:56,923 INFO L225 Difference]: With dead ends: 10623 [2021-12-18 05:25:56,923 INFO L226 Difference]: Without dead ends: 5329 [2021-12-18 05:25:56,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 439 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-12-18 05:25:56,937 INFO L933 BasicCegarLoop]: 787 mSDtfsCounter, 2 mSDsluCounter, 3920 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4707 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:56,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 4707 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:25:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2021-12-18 05:25:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 5301. [2021-12-18 05:25:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 4229 states have (on average 1.318042090328683) internal successors, (5574), 4243 states have internal predecessors, (5574), 745 states have call successors, (745), 319 states have call predecessors, (745), 326 states have return successors, (778), 738 states have call predecessors, (778), 745 states have call successors, (778) [2021-12-18 05:25:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 7097 transitions. [2021-12-18 05:25:57,162 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 7097 transitions. Word has length 358 [2021-12-18 05:25:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:57,163 INFO L470 AbstractCegarLoop]: Abstraction has 5301 states and 7097 transitions. [2021-12-18 05:25:57,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:25:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 7097 transitions. [2021-12-18 05:25:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-12-18 05:25:57,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:57,171 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:57,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:25:57,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-18 05:25:57,397 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:57,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:57,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1725249305, now seen corresponding path program 1 times [2021-12-18 05:25:57,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:57,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961331500] [2021-12-18 05:25:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:57,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:25:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:25:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:25:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:25:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:25:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 05:25:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:25:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:25:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:25:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 05:25:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:25:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 05:25:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 05:25:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:25:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 05:25:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:25:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 05:25:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 05:25:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 05:25:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 05:25:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 05:25:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:25:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 05:25:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 05:25:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2021-12-18 05:25:57,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:57,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961331500] [2021-12-18 05:25:57,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961331500] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:25:57,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523770299] [2021-12-18 05:25:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:57,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:25:57,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:25:57,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:25:57,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:25:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-18 05:25:58,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:25:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2021-12-18 05:25:59,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:25:59,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523770299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:59,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:25:59,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2021-12-18 05:25:59,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293628045] [2021-12-18 05:25:59,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:59,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:25:59,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:59,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:25:59,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-12-18 05:25:59,150 INFO L87 Difference]: Start difference. First operand 5301 states and 7097 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 05:25:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:59,391 INFO L93 Difference]: Finished difference Result 11477 states and 15413 transitions. [2021-12-18 05:25:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:25:59,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 364 [2021-12-18 05:25:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:59,412 INFO L225 Difference]: With dead ends: 11477 [2021-12-18 05:25:59,413 INFO L226 Difference]: Without dead ends: 6215 [2021-12-18 05:25:59,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:25:59,426 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 158 mSDsluCounter, 5661 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6634 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:59,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 6634 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:25:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2021-12-18 05:25:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 5333. [2021-12-18 05:25:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5333 states, 4253 states have (on average 1.3162473548083706) internal successors, (5598), 4267 states have internal predecessors, (5598), 745 states have call successors, (745), 319 states have call predecessors, (745), 334 states have return successors, (798), 746 states have call predecessors, (798), 745 states have call successors, (798) [2021-12-18 05:25:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5333 states to 5333 states and 7141 transitions. [2021-12-18 05:25:59,703 INFO L78 Accepts]: Start accepts. Automaton has 5333 states and 7141 transitions. Word has length 364 [2021-12-18 05:25:59,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:59,704 INFO L470 AbstractCegarLoop]: Abstraction has 5333 states and 7141 transitions. [2021-12-18 05:25:59,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 05:25:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5333 states and 7141 transitions. [2021-12-18 05:25:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-18 05:25:59,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:59,712 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:25:59,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:25:59,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:25:59,928 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash 427406233, now seen corresponding path program 2 times [2021-12-18 05:25:59,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:59,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004904251] [2021-12-18 05:25:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:59,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:26:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:26:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:26:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:26:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:26:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 05:26:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:26:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:26:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:26:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 05:26:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 05:26:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 05:26:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:26:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 05:26:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:26:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 05:26:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 05:26:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 05:26:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 05:26:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 05:26:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:26:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 05:26:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2021-12-18 05:26:00,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:00,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004904251] [2021-12-18 05:26:00,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004904251] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:00,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184262446] [2021-12-18 05:26:00,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:26:00,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:00,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:00,386 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) [2021-12-18 05:26:00,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:26:01,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:26:01,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:26:01,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 3104 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 05:26:01,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-12-18 05:26:02,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:26:02,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184262446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:02,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:26:02,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2021-12-18 05:26:02,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775814213] [2021-12-18 05:26:02,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:02,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:26:02,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:02,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:26:02,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:26:02,003 INFO L87 Difference]: Start difference. First operand 5333 states and 7141 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 05:26:02,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:02,160 INFO L93 Difference]: Finished difference Result 10645 states and 14258 transitions. [2021-12-18 05:26:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:26:02,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 370 [2021-12-18 05:26:02,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:02,176 INFO L225 Difference]: With dead ends: 10645 [2021-12-18 05:26:02,176 INFO L226 Difference]: Without dead ends: 5334 [2021-12-18 05:26:02,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:26:02,184 INFO L933 BasicCegarLoop]: 790 mSDtfsCounter, 3 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2359 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 [2021-12-18 05:26:02,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2359 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:26:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2021-12-18 05:26:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5334. [2021-12-18 05:26:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5334 states, 4254 states have (on average 1.3161730136342267) internal successors, (5599), 4268 states have internal predecessors, (5599), 745 states have call successors, (745), 319 states have call predecessors, (745), 334 states have return successors, (798), 746 states have call predecessors, (798), 745 states have call successors, (798) [2021-12-18 05:26:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 7142 transitions. [2021-12-18 05:26:02,369 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 7142 transitions. Word has length 370 [2021-12-18 05:26:02,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:02,369 INFO L470 AbstractCegarLoop]: Abstraction has 5334 states and 7142 transitions. [2021-12-18 05:26:02,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 05:26:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 7142 transitions. [2021-12-18 05:26:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 05:26:02,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:02,377 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 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] [2021-12-18 05:26:02,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:02,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-18 05:26:02,604 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:02,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1336322055, now seen corresponding path program 1 times [2021-12-18 05:26:02,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:02,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942415388] [2021-12-18 05:26:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:02,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:26:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:26:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:26:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:26:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:26:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:26:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 05:26:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 05:26:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 05:26:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 05:26:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 05:26:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 05:26:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 05:26:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 05:26:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 05:26:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 05:26:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 05:26:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 05:26:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 05:26:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 05:26:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 05:26:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 05:26:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2021-12-18 05:26:03,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:03,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942415388] [2021-12-18 05:26:03,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942415388] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:03,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42520785] [2021-12-18 05:26:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:03,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:03,112 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) [2021-12-18 05:26:03,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 05:26:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:03,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 3179 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-18 05:26:03,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 93 proven. 9 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-12-18 05:26:04,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:26:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-12-18 05:26:05,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42520785] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:26:05,639 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:26:05,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 26 [2021-12-18 05:26:05,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717900503] [2021-12-18 05:26:05,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:26:05,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-18 05:26:05,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:05,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-18 05:26:05,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-12-18 05:26:05,643 INFO L87 Difference]: Start difference. First operand 5334 states and 7142 transitions. Second operand has 26 states, 26 states have (on average 9.692307692307692) internal successors, (252), 14 states have internal predecessors, (252), 2 states have call successors, (66), 7 states have call predecessors, (66), 8 states have return successors, (59), 9 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-18 05:26:08,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:10,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:12,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:14,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:16,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:18,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:20,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:22,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:24,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:26,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:28,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:30,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:32,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:34,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:36,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:38,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:40,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:26:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:42,942 INFO L93 Difference]: Finished difference Result 15037 states and 20725 transitions. [2021-12-18 05:26:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-18 05:26:42,942 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.692307692307692) internal successors, (252), 14 states have internal predecessors, (252), 2 states have call successors, (66), 7 states have call predecessors, (66), 8 states have return successors, (59), 9 states have call predecessors, (59), 2 states have call successors, (59) Word has length 375 [2021-12-18 05:26:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:42,975 INFO L225 Difference]: With dead ends: 15037 [2021-12-18 05:26:42,976 INFO L226 Difference]: Without dead ends: 9722 [2021-12-18 05:26:42,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 823 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=181, Invalid=1301, Unknown=0, NotChecked=0, Total=1482 [2021-12-18 05:26:42,991 INFO L933 BasicCegarLoop]: 1096 mSDtfsCounter, 1077 mSDsluCounter, 15041 mSDsCounter, 0 mSdLazyCounter, 4092 mSolverCounterSat, 498 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 16137 SdHoareTripleChecker+Invalid, 4604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 4092 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:42,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1174 Valid, 16137 Invalid, 4604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 4092 Invalid, 14 Unknown, 0 Unchecked, 36.7s Time] [2021-12-18 05:26:42,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9722 states. [2021-12-18 05:26:43,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9722 to 5348. [2021-12-18 05:26:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 4258 states have (on average 1.3125880695162049) internal successors, (5589), 4270 states have internal predecessors, (5589), 744 states have call successors, (744), 319 states have call predecessors, (744), 345 states have return successors, (832), 758 states have call predecessors, (832), 744 states have call successors, (832) [2021-12-18 05:26:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 7165 transitions. [2021-12-18 05:26:43,251 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 7165 transitions. Word has length 375 [2021-12-18 05:26:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:43,252 INFO L470 AbstractCegarLoop]: Abstraction has 5348 states and 7165 transitions. [2021-12-18 05:26:43,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.692307692307692) internal successors, (252), 14 states have internal predecessors, (252), 2 states have call successors, (66), 7 states have call predecessors, (66), 8 states have return successors, (59), 9 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-18 05:26:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 7165 transitions. [2021-12-18 05:26:43,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-12-18 05:26:43,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:43,260 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 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] [2021-12-18 05:26:43,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:43,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-18 05:26:43,476 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:43,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:43,476 INFO L85 PathProgramCache]: Analyzing trace with hash 569544455, now seen corresponding path program 2 times [2021-12-18 05:26:43,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:43,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064999142] [2021-12-18 05:26:43,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:43,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:26:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:26:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:26:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:26:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:26:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:26:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:26:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:26:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:26:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 05:26:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 05:26:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 05:26:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 05:26:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 05:26:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 05:26:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 05:26:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 05:26:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 05:26:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 05:26:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 05:26:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 05:26:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 05:26:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-12-18 05:26:44,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:44,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064999142] [2021-12-18 05:26:44,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064999142] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:44,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550925494] [2021-12-18 05:26:44,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:26:44,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:44,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:44,122 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) [2021-12-18 05:26:44,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 05:26:46,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:26:46,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:26:46,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 3257 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 05:26:46,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 380 proven. 1 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-12-18 05:26:46,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:26:47,237 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-12-18 05:26:47,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550925494] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:26:47,237 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:26:47,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2021-12-18 05:26:47,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192392475] [2021-12-18 05:26:47,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:26:47,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 05:26:47,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 05:26:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-12-18 05:26:47,240 INFO L87 Difference]: Start difference. First operand 5348 states and 7165 transitions. Second operand has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 10 states have internal predecessors, (203), 2 states have call successors, (83), 7 states have call predecessors, (83), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-18 05:26:50,058 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 [] [2021-12-18 05:26:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:51,161 INFO L93 Difference]: Finished difference Result 12281 states and 16793 transitions. [2021-12-18 05:26:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 05:26:51,162 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 10 states have internal predecessors, (203), 2 states have call successors, (83), 7 states have call predecessors, (83), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 393 [2021-12-18 05:26:51,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:51,186 INFO L225 Difference]: With dead ends: 12281 [2021-12-18 05:26:51,186 INFO L226 Difference]: Without dead ends: 6967 [2021-12-18 05:26:51,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 875 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2021-12-18 05:26:51,197 INFO L933 BasicCegarLoop]: 782 mSDtfsCounter, 563 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 467 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:51,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [585 Valid, 3236 Invalid, 1612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 1144 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 05:26:51,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6967 states. [2021-12-18 05:26:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6967 to 5358. [2021-12-18 05:26:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5358 states, 4267 states have (on average 1.312631825638622) internal successors, (5601), 4279 states have internal predecessors, (5601), 744 states have call successors, (744), 320 states have call predecessors, (744), 346 states have return successors, (832), 758 states have call predecessors, (832), 744 states have call successors, (832) [2021-12-18 05:26:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 5358 states and 7177 transitions. [2021-12-18 05:26:51,434 INFO L78 Accepts]: Start accepts. Automaton has 5358 states and 7177 transitions. Word has length 393 [2021-12-18 05:26:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:51,435 INFO L470 AbstractCegarLoop]: Abstraction has 5358 states and 7177 transitions. [2021-12-18 05:26:51,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 10 states have internal predecessors, (203), 2 states have call successors, (83), 7 states have call predecessors, (83), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-18 05:26:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5358 states and 7177 transitions. [2021-12-18 05:26:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-18 05:26:51,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:51,445 INFO L514 BasicCegarLoop]: trace histogram [18, 13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:26:51,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:51,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:51,660 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:51,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash -302786855, now seen corresponding path program 3 times [2021-12-18 05:26:51,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:51,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782383279] [2021-12-18 05:26:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:51,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:26:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:26:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:26:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:26:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:26:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 05:26:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:26:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:26:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 05:26:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 05:26:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 05:26:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 05:26:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 05:26:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 05:26:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 05:26:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 05:26:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 05:26:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 05:26:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 05:26:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 05:26:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 05:26:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 05:26:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 05:26:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2021-12-18 05:26:52,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:52,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782383279] [2021-12-18 05:26:52,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782383279] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:52,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621065179] [2021-12-18 05:26:52,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 05:26:52,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:52,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:52,312 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) [2021-12-18 05:26:52,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 05:26:55,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-12-18 05:26:55,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:26:55,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-18 05:26:55,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 420 proven. 3 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2021-12-18 05:26:56,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:26:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2021-12-18 05:26:56,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621065179] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:26:56,744 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:26:56,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 18 [2021-12-18 05:26:56,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672616363] [2021-12-18 05:26:56,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:26:56,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 05:26:56,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:56,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 05:26:56,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-12-18 05:26:56,746 INFO L87 Difference]: Start difference. First operand 5358 states and 7177 transitions. Second operand has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 13 states have internal predecessors, (201), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 05:26:59,529 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 [] [2021-12-18 05:27:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:00,795 INFO L93 Difference]: Finished difference Result 12272 states and 16771 transitions. [2021-12-18 05:27:00,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 05:27:00,796 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 13 states have internal predecessors, (201), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 406 [2021-12-18 05:27:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:00,817 INFO L225 Difference]: With dead ends: 12272 [2021-12-18 05:27:00,817 INFO L226 Difference]: Without dead ends: 6966 [2021-12-18 05:27:00,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 930 GetRequests, 899 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2021-12-18 05:27:00,828 INFO L933 BasicCegarLoop]: 780 mSDtfsCounter, 642 mSDsluCounter, 3216 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 507 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:00,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 3996 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1478 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 05:27:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2021-12-18 05:27:01,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 5362. [2021-12-18 05:27:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5362 states, 4271 states have (on average 1.3118707562631702) internal successors, (5603), 4283 states have internal predecessors, (5603), 744 states have call successors, (744), 320 states have call predecessors, (744), 346 states have return successors, (832), 758 states have call predecessors, (832), 744 states have call successors, (832) [2021-12-18 05:27:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7179 transitions. [2021-12-18 05:27:01,075 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7179 transitions. Word has length 406 [2021-12-18 05:27:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:01,075 INFO L470 AbstractCegarLoop]: Abstraction has 5362 states and 7179 transitions. [2021-12-18 05:27:01,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 13 states have internal predecessors, (201), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 05:27:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7179 transitions. [2021-12-18 05:27:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-12-18 05:27:01,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:01,083 INFO L514 BasicCegarLoop]: trace histogram [22, 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] [2021-12-18 05:27:01,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:01,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:27:01,296 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:01,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:01,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1035598567, now seen corresponding path program 4 times [2021-12-18 05:27:01,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:27:01,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688764744] [2021-12-18 05:27:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:27:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:27:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:27:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:27:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 05:27:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 05:27:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:27:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:27:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:27:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:27:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 05:27:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:27:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:27:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 05:27:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 05:27:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:27:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 05:27:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 05:27:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 05:27:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:27:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 05:27:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:27:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 05:27:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 05:27:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:27:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 05:27:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:27:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 05:27:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 05:27:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 05:27:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:27:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:27:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:27:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2021-12-18 05:27:02,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:27:02,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688764744] [2021-12-18 05:27:02,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688764744] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:27:02,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580658315] [2021-12-18 05:27:02,115 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-18 05:27:02,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:27:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:27:02,116 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:27:02,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 05:27:04,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-18 05:27:04,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:27:04,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 3486 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 05:27:04,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2021-12-18 05:27:05,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:27:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2021-12-18 05:27:06,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580658315] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:27:06,152 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:27:06,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 30 [2021-12-18 05:27:06,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575213843] [2021-12-18 05:27:06,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:27:06,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-18 05:27:06,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:27:06,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-18 05:27:06,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-12-18 05:27:06,157 INFO L87 Difference]: Start difference. First operand 5362 states and 7179 transitions. Second operand has 30 states, 30 states have (on average 7.1) internal successors, (213), 25 states have internal predecessors, (213), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 05:27:09,640 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 [] [2021-12-18 05:27:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:11,841 INFO L93 Difference]: Finished difference Result 12307 states and 16819 transitions. [2021-12-18 05:27:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-18 05:27:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 7.1) internal successors, (213), 25 states have internal predecessors, (213), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 404 [2021-12-18 05:27:11,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:11,901 INFO L225 Difference]: With dead ends: 12307 [2021-12-18 05:27:11,901 INFO L226 Difference]: Without dead ends: 6976 [2021-12-18 05:27:11,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 885 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=474, Invalid=1782, Unknown=0, NotChecked=0, Total=2256 [2021-12-18 05:27:11,907 INFO L933 BasicCegarLoop]: 787 mSDtfsCounter, 600 mSDsluCounter, 9883 mSDsCounter, 0 mSdLazyCounter, 4141 mSolverCounterSat, 482 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 10670 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 4141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:11,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 10670 Invalid, 4624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 4141 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 05:27:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6976 states. [2021-12-18 05:27:12,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6976 to 5366. [2021-12-18 05:27:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5366 states, 4275 states have (on average 1.311812865497076) internal successors, (5608), 4287 states have internal predecessors, (5608), 744 states have call successors, (744), 320 states have call predecessors, (744), 346 states have return successors, (832), 758 states have call predecessors, (832), 744 states have call successors, (832) [2021-12-18 05:27:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 7184 transitions. [2021-12-18 05:27:12,144 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 7184 transitions. Word has length 404 [2021-12-18 05:27:12,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:12,144 INFO L470 AbstractCegarLoop]: Abstraction has 5366 states and 7184 transitions. [2021-12-18 05:27:12,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.1) internal successors, (213), 25 states have internal predecessors, (213), 2 states have call successors, (79), 7 states have call predecessors, (79), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 05:27:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 7184 transitions. [2021-12-18 05:27:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-12-18 05:27:12,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:12,153 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:27:12,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:12,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-12-18 05:27:12,368 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash 757218457, now seen corresponding path program 5 times [2021-12-18 05:27:12,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:27:12,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532281932] [2021-12-18 05:27:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:12,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:27:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:27:13,654 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 05:27:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:27:16,433 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 05:27:16,433 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 05:27:16,434 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 05:27:16,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 05:27:16,438 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:27:16,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 05:27:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,516 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,516 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,516 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,516 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,516 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,517 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,517 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,517 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,517 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,517 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:27:16,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:27:16,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:27:16 BoogieIcfgContainer [2021-12-18 05:27:16,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 05:27:16,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 05:27:16,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 05:27:16,898 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 05:27:16,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:24:51" (3/4) ... [2021-12-18 05:27:16,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 05:27:16,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 05:27:16,902 INFO L158 Benchmark]: Toolchain (without parser) took 150872.69ms. Allocated memory was 125.8MB in the beginning and 740.3MB in the end (delta: 614.5MB). Free memory was 88.8MB in the beginning and 400.1MB in the end (delta: -311.3MB). Peak memory consumption was 303.1MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,903 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:27:16,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.94ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 58.5MB in the end (delta: 30.0MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.01ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 58.5MB in the beginning and 119.3MB in the end (delta: -60.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,905 INFO L158 Benchmark]: Boogie Preprocessor took 162.59ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 106.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,905 INFO L158 Benchmark]: RCFGBuilder took 4369.47ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.1MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,906 INFO L158 Benchmark]: TraceAbstraction took 144911.59ms. Allocated memory was 163.6MB in the beginning and 740.3MB in the end (delta: 576.7MB). Free memory was 94.2MB in the beginning and 400.1MB in the end (delta: -305.9MB). Peak memory consumption was 570.2MB. Max. memory is 16.1GB. [2021-12-18 05:27:16,906 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 740.3MB. Free memory is still 400.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:27:16,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.94ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 58.5MB in the end (delta: 30.0MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.01ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 58.5MB in the beginning and 119.3MB in the end (delta: -60.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.59ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 106.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4369.47ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.1MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * TraceAbstraction took 144911.59ms. Allocated memory was 163.6MB in the beginning and 740.3MB in the end (delta: 576.7MB). Free memory was 94.2MB in the beginning and 400.1MB in the end (delta: -305.9MB). Peak memory consumption was 570.2MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 740.3MB. Free memory is still 400.1MB. 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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg6={269:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-110680464442257309697:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-110680464442257309697:0}, 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={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-110680464442257309697:0}, 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={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1, \result={-110680464442257309697:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-110680464442257309697:0}, 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={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}, 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={18446744073709551641:18446744073709551638}, 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)={-110680464442257309697:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg6={269:0}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={-18446744073709551615:0}, ref_cnt=0, size=192, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={-18446744073709551615:0}, ref_cnt=0, size=192, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=192, \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={18446744073709551641:18446744073709551638}, 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={-18446744073709551615:0}, ref_cnt=0, size=192, tmp={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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)={-18446744073709551615:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ref_cnt=0, size=2516, tmp={156:0}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ref_cnt=0, size=2516, tmp={156:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=2516, \result={156:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, ref_cnt=0, size=2516, tmp={156:0}, 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={18446744073709551641:18446744073709551638}, 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))={156:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={281:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, 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={281:0}, s={281:0}, tmp={281:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ldv_memset((void *)(& ldvarg3), 0, 4UL)={281:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={284:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, 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={284:0}, s={284:0}, tmp={284:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ldv_memset((void *)(& ldvarg0), 0, 4UL)={284:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={269:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, 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={269:0}, s={269:0}, tmp={269:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ldv_memset((void *)(& ldvarg6), 0, 4UL)={269:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={283:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, 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={283:0}, s={283:0}, tmp={283:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ldv_memset((void *)(& ldvarg1), 0, 4UL)={283:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={279:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, 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={156:0}, 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={279:0}, s={279:0}, tmp={279:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, ldv_memset((void *)(& ldvarg2), 0, 8UL)={279:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={18446744073709551641:18446744073709551638}, 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={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-55340232221128654849:0}, ref_cnt=0, size=1248, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={18446744073709551641:18446744073709551638}, 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={156:0}, 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={18446744073709551641:18446744073709551638}, 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={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-55340232221128654849:0}, ref_cnt=0, size=1248, tmp={-55340232221128654849:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1248, \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={18446744073709551641:18446744073709551638}, 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={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-55340232221128654849:0}, ref_cnt=0, size=1248, tmp={-55340232221128654849:0}, 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={18446744073709551641:18446744073709551638}, 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)={-55340232221128654849:0}, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-55340232221128654849:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, ldv_func_arg1={100:0}, ldv_func_arg1={100:0}, ldv_func_arg2={18446744073709551641:18446744073709551638}, ldv_func_arg2={18446744073709551641:18446744073709551638}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, ref_cnt=0, size=2320, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, ref_cnt=0, size=2320, tmp={-73786976294838206465:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2320, \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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, ref_cnt=0, size=2320, tmp={-73786976294838206465:0}, 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={18446744073709551641:18446744073709551638}, 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={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2320UL)={-73786976294838206465:0}, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={103:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={103:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, ref_cnt=0, size=280, tmp={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={103:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, ref_cnt=0, size=280, tmp={103:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=280, \result={103:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, calloc(1UL, size)={103:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, ref_cnt=0, size=280, tmp={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(280UL)={103:0}, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, tmp___1={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-147573952589676412929:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-147573952589676412929:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-147573952589676412929:0}, ref_cnt=0, size=2704, tmp={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-147573952589676412929:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-147573952589676412929:0}, ref_cnt=0, size=2704, tmp={-147573952589676412929:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2704, \result={-147573952589676412929:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, calloc(1UL, size)={-147573952589676412929:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-147573952589676412929:0}, ref_cnt=0, size=2704, tmp={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2704UL)={-147573952589676412929:0}, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, tmp___1={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, tmp___1={103:0}, tmp___2={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kmalloc(320UL, 208U)={-55340232221128654847:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, actconfig={18446744073709551629:-4}, altsetting={18446744073709551630:-12}, debug=0, endpoint={18446744073709551633:18446744073709551640}, i=0, id_table={99:0}, interface={18446744073709551627:-13}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551632:119}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, actconfig={18446744073709551629:-4}, altsetting={18446744073709551630:-12}, altsetting->desc.bNumEndpoints=256, debug=0, endpoint={18446744073709551633:18446744073709551640}, i=0, id_table={99:0}, interface={18446744073709551627:-13}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551632:119}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, actconfig={18446744073709551629:-4}, altsetting={18446744073709551630:-12}, debug=0, endpoint={18446744073709551633:18446744073709551640}, i=0, id_table={99:0}, interface={18446744073709551627:-13}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551632:119}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={103:0}, serial={103:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, arg0={-73786976294838206465:1064}, arg0={-73786976294838206465:1064}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, ref_cnt=1, size=8, tmp={-92233720368547758081:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, ref_cnt=1, size=8, tmp={-92233720368547758081:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, ref_cnt=1, size=8, tmp={-92233720368547758081:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=23, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, ldv_malloc(size)={-92233720368547758081:0}, 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=23, 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)=23, \old(size)=8, \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={18446744073709551641:18446744073709551638}, debug=0, flags=23, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, 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={18446744073709551641:18446744073709551638}, debug=0, flags=208, id_table={99:0}, kmalloc(size, flags | 32768U)={-92233720368547758081:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-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={18446744073709551641:18446744073709551638}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, kzalloc((size_t )transfer_buffer_length, 208U)={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={170:0}, ref_cnt=1, size=8, tmp={170:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={170:0}, ref_cnt=1, size=8, tmp={170:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \result={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={170:0}, ref_cnt=1, size=8, tmp={170:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, ldv_malloc(size)={170:0}, 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={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={170:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kmalloc((size_t )write_urb_transfer_buffer_length, 208U)={170:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, dev={18446744073709551617:191}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551617:191}, __create_pipe((port->serial)->dev, 0U)=18446744073709551621, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, arg0={18446744073709551617:191}, arg6={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=121, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] EXPR port->serial [L3788] EXPR (port->serial)->dev VAL [(port->serial)->dev={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, dev={18446744073709551617:191}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551617:191}, __create_pipe((port->serial)->dev, 0U)=18446744073709551637, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, arg0={18446744073709551617:191}, arg6={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551617:191}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, port->serial={18446744073709551617:191}, priv={0:0}, ref_cnt=1, result=121, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=123, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, priv->device_type=125, priv->device_type=125, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, priv->device_type=125, priv->device_type=125, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, priv->device_type=125, priv->device_type=125, priv->device_type=125, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-92233720368547758081:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={-73786976294838206465:0}, port={-73786976294838206465:0}, priv={0:0}, ref_cnt=1, result=123, tmp={0:0}, tmp___0={-92233720368547758081:0}, tmp___1=5, tmp___2=21, transfer_buffer={-92233720368547758081:0}, transfer_buffer_length=8, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={284:0}, ldvarg1={283:0}, ldvarg2={279:0}, ldvarg3={281:0}, ldvarg4={-18446744073709551617:0}, ldvarg5={-18446744073709551615:0}, ldvarg6={269:0}, ldvarg7={-110680464442257309697:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-110680464442257309697:0}, tmp___0={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, data={18446744073709551618:18446744073709551628}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551625:-15}, ref_cnt=1, status=0, urb={-18446744073709551615:0}, urb={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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=-9, 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={18446744073709551641:18446744073709551638}, arg0={18446744073709551625:-7}, arg0={18446744073709551625:-7}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={156:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, ldv_func_arg1={18446744073709551625:-7}, ldv_func_arg1={18446744073709551625:-7}, 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={18446744073709551641:18446744073709551638}, data={18446744073709551618:18446744073709551628}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, 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={18446744073709551625:-15}, ref_cnt=1, status=0, tty={0:0}, urb={-18446744073709551615:0}, urb={-18446744073709551615:0}, 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={18446744073709551641:18446744073709551638}, a={0:0}, a={0:0}, chars={18446744073709551618:18446744073709551628}, chars={18446744073709551618:18446744073709551628}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, 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={18446744073709551641:18446744073709551638}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={-73786976294838206465:0}, kobil_device_group1={0:0}, kobil_device_group2={103:0}, kobil_device_group3={-147573952589676412929:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, 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, 588 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 144.4s, OverallIterations: 22, TraceHistogramMax: 24, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.2s, AutomataDifference: 105.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32 mSolverCounterUnknown, 18201 SdHoareTripleChecker+Valid, 100.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17468 mSDsluCounter, 90216 SdHoareTripleChecker+Invalid, 95.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70710 mSDsCounter, 10483 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24779 IncrementalHoareTripleChecker+Invalid, 35294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10483 mSolverCounterUnsat, 19506 mSDtfsCounter, 24779 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6375 GetRequests, 6067 SyntacticMatches, 6 SemanticMatches, 302 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5366occurred in iteration=21, InterpolantAutomatonStates: 209, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 21656 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 9569 NumberOfCodeBlocks, 9498 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 10702 ConstructedInterpolants, 0 QuantifiedInterpolants, 16134 SizeOfPredicates, 38 NumberOfNonLiveVariables, 24975 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 33 InterpolantComputations, 17 PerfectInterpolantSequences, 19244/19452 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 05:27:16,967 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-tmp.no-commuhash-c3fed41 [2021-12-18 05:27:18,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:27:18,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:27:18,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:27:18,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:27:18,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:27:18,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:27:18,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:27:18,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:27:18,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:27:18,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:27:18,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:27:18,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:27:18,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:27:18,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:27:18,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:27:18,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:27:18,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:27:18,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:27:18,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:27:18,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:27:18,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:27:18,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:27:18,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:27:18,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:27:18,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:27:18,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:27:18,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:27:18,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:27:18,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:27:18,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:27:18,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:27:18,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:27:18,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:27:18,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:27:18,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:27:18,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:27:18,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:27:18,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:27:18,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:27:18,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:27:18,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 05:27:19,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:27:19,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:27:19,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:27:19,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:27:19,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:27:19,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:27:19,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:27:19,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:27:19,016 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:27:19,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:27:19,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:27:19,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:27:19,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:27:19,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:27:19,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:27:19,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:27:19,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:27:19,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:27:19,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:27:19,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:27:19,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:27:19,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:27:19,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:27:19,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 05:27:19,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-12-18 05:27:19,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:27:19,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:27:19,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:27:19,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:27:19,341 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:27:19,342 INFO L432 ainManager$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 [2021-12-18 05:27:19,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654ad165c/4af7015e62f44f92911d4d9f5d8dd6ae/FLAGee28d0e70 [2021-12-18 05:27:20,011 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:27:20,011 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 [2021-12-18 05:27:20,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654ad165c/4af7015e62f44f92911d4d9f5d8dd6ae/FLAGee28d0e70 [2021-12-18 05:27:20,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654ad165c/4af7015e62f44f92911d4d9f5d8dd6ae [2021-12-18 05:27:20,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:27:20,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:27:20,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:27:20,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:27:20,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:27:20,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:27:20" (1/1) ... [2021-12-18 05:27:20,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486204dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:20, skipping insertion in model container [2021-12-18 05:27:20,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:27:20" (1/1) ... [2021-12-18 05:27:20,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:27:20,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:27:21,325 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] [2021-12-18 05:27:21,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:27:21,383 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 05:27:21,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:27:21,581 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] [2021-12-18 05:27:21,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:27:21,606 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:27:21,830 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] [2021-12-18 05:27:21,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:27:21,901 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:27:21,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21 WrapperNode [2021-12-18 05:27:21,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:27:21,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:27:21,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:27:21,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:27:21,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:21,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,050 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2021-12-18 05:27:22,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:27:22,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:27:22,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:27:22,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:27:22,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:27:22,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:27:22,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:27:22,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:27:22,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (1/1) ... [2021-12-18 05:27:22,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:27:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:27:22,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 05:27:22,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 05:27:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 05:27:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 05:27:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 05:27:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:27:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 05:27:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 05:27:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-18 05:27:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-18 05:27:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:27:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:27:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 05:27:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 05:27:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:27:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:27:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 05:27:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:27:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-18 05:27:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 05:27:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 05:27:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-12-18 05:27:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-12-18 05:27:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 05:27:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 05:27:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:27:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:27:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-18 05:27:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-18 05:27:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:27:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 05:27:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 05:27:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:27:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-12-18 05:27:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-12-18 05:27:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-12-18 05:27:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-12-18 05:27:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:27:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:27:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 05:27:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-18 05:27:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 05:27:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:27:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-12-18 05:27:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 05:27:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 05:27:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-12-18 05:27:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 05:27:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:27:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 05:27:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:27:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 05:27:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-12-18 05:27:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-18 05:27:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 05:27:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 05:27:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 05:27:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 05:27:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 05:27:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-12-18 05:27:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-12-18 05:27:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:27:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:27:22,743 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:27:22,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:27:22,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:27:38,862 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:27:38,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:27:38,873 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:27:38,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:27:38 BoogieIcfgContainer [2021-12-18 05:27:38,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:27:38,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:27:38,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:27:38,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:27:38,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:27:20" (1/3) ... [2021-12-18 05:27:38,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a994a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:27:38, skipping insertion in model container [2021-12-18 05:27:38,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:27:21" (2/3) ... [2021-12-18 05:27:38,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a994a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:27:38, skipping insertion in model container [2021-12-18 05:27:38,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:27:38" (3/3) ... [2021-12-18 05:27:38,882 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 [2021-12-18 05:27:38,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:27:38,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:27:38,924 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:27:38,930 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:27:38,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:27:38,953 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) [2021-12-18 05:27:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 05:27:38,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:38,979 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:27:38,979 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:38,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1370803934, now seen corresponding path program 1 times [2021-12-18 05:27:39,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:39,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632868246] [2021-12-18 05:27:39,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:39,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:39,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:39,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 05:27:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:39,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-18 05:27:39,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 05:27:41,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:41,077 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:41,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632868246] [2021-12-18 05:27:41,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632868246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:41,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:41,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 05:27:41,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251552099] [2021-12-18 05:27:41,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:41,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-18 05:27:41,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:41,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-18 05:27:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 05:27:41,122 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) [2021-12-18 05:27:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:41,211 INFO L93 Difference]: Finished difference Result 1170 states and 1751 transitions. [2021-12-18 05:27:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 05:27:41,213 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 [2021-12-18 05:27:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:41,226 INFO L225 Difference]: With dead ends: 1170 [2021-12-18 05:27:41,226 INFO L226 Difference]: Without dead ends: 571 [2021-12-18 05:27:41,237 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:27:41,239 INFO L933 BasicCegarLoop]: 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 [2021-12-18 05:27:41,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:27:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-12-18 05:27:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2021-12-18 05:27:41,303 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) [2021-12-18 05:27:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 827 transitions. [2021-12-18 05:27:41,308 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 827 transitions. Word has length 128 [2021-12-18 05:27:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:41,309 INFO L470 AbstractCegarLoop]: Abstraction has 571 states and 827 transitions. [2021-12-18 05:27:41,309 INFO L471 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) [2021-12-18 05:27:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 827 transitions. [2021-12-18 05:27:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 05:27:41,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:41,314 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:27:41,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-18 05:27:41,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:41,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:41,525 INFO L85 PathProgramCache]: Analyzing trace with hash 948643174, now seen corresponding path program 1 times [2021-12-18 05:27:41,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:41,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813329846] [2021-12-18 05:27:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:41,527 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:41,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:41,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 05:27:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:42,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 05:27:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-18 05:27:44,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:44,436 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:44,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813329846] [2021-12-18 05:27:44,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813329846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:44,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:44,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:27:44,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742695483] [2021-12-18 05:27:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:44,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:27:44,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:44,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:27:44,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:27:44,439 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) [2021-12-18 05:27:45,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:45,096 INFO L93 Difference]: Finished difference Result 1139 states and 1655 transitions. [2021-12-18 05:27:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:27:45,097 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 [2021-12-18 05:27:45,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:45,104 INFO L225 Difference]: With dead ends: 1139 [2021-12-18 05:27:45,105 INFO L226 Difference]: Without dead ends: 573 [2021-12-18 05:27:45,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:27:45,110 INFO L933 BasicCegarLoop]: 822 mSDtfsCounter, 2 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4917 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:45,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 4917 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 05:27:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-12-18 05:27:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2021-12-18 05:27:45,168 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) [2021-12-18 05:27:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 834 transitions. [2021-12-18 05:27:45,175 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 834 transitions. Word has length 128 [2021-12-18 05:27:45,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:45,176 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 834 transitions. [2021-12-18 05:27:45,177 INFO L471 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) [2021-12-18 05:27:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 834 transitions. [2021-12-18 05:27:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-18 05:27:45,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:45,182 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:27:45,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:45,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:45,396 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1579561543, now seen corresponding path program 1 times [2021-12-18 05:27:45,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:45,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068438238] [2021-12-18 05:27:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:45,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:45,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:45,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:45,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 05:27:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:46,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 05:27:46,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-12-18 05:27:47,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:47,349 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:47,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068438238] [2021-12-18 05:27:47,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068438238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:47,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:47,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:27:47,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688271302] [2021-12-18 05:27:47,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:47,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:27:47,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:47,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:27:47,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:27:47,352 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) [2021-12-18 05:27:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:47,875 INFO L93 Difference]: Finished difference Result 1155 states and 1669 transitions. [2021-12-18 05:27:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:27:47,880 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 [2021-12-18 05:27:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:47,885 INFO L225 Difference]: With dead ends: 1155 [2021-12-18 05:27:47,885 INFO L226 Difference]: Without dead ends: 593 [2021-12-18 05:27:47,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:27:47,888 INFO L933 BasicCegarLoop]: 829 mSDtfsCounter, 39 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:47,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 3287 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:27:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-12-18 05:27:47,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2021-12-18 05:27:47,906 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) [2021-12-18 05:27:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 846 transitions. [2021-12-18 05:27:47,909 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 846 transitions. Word has length 134 [2021-12-18 05:27:47,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:47,910 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 846 transitions. [2021-12-18 05:27:47,910 INFO L471 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) [2021-12-18 05:27:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 846 transitions. [2021-12-18 05:27:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-12-18 05:27:47,912 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:47,912 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:27:47,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-18 05:27:48,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:48,128 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:48,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:48,128 INFO L85 PathProgramCache]: Analyzing trace with hash -356464088, now seen corresponding path program 2 times [2021-12-18 05:27:48,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:48,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213451210] [2021-12-18 05:27:48,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:27:48,130 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:48,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:48,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:48,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 05:28:03,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:28:03,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:28:03,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:28:03,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 05:28:04,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:04,757 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:04,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213451210] [2021-12-18 05:28:04,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213451210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:04,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:04,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:28:04,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665057057] [2021-12-18 05:28:04,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:04,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:28:04,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:28:04,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:28:04,759 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) [2021-12-18 05:28:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:05,124 INFO L93 Difference]: Finished difference Result 1149 states and 1658 transitions. [2021-12-18 05:28:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:28:05,125 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 [2021-12-18 05:28:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:05,129 INFO L225 Difference]: With dead ends: 1149 [2021-12-18 05:28:05,129 INFO L226 Difference]: Without dead ends: 592 [2021-12-18 05:28:05,131 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:28:05,132 INFO L933 BasicCegarLoop]: 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 [2021-12-18 05:28:05,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2464 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:28:05,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-12-18 05:28:05,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2021-12-18 05:28:05,148 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) [2021-12-18 05:28:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2021-12-18 05:28:05,151 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 140 [2021-12-18 05:28:05,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:05,152 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2021-12-18 05:28:05,152 INFO L471 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) [2021-12-18 05:28:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2021-12-18 05:28:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-18 05:28:05,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:05,155 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:28:05,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:05,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:05,367 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2069020180, now seen corresponding path program 1 times [2021-12-18 05:28:05,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:05,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701405388] [2021-12-18 05:28:05,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:05,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:05,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:05,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 05:28:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:06,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 05:28:06,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-18 05:28:07,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:28:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-18 05:28:08,649 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:08,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701405388] [2021-12-18 05:28:08,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701405388] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:28:08,649 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 05:28:08,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-18 05:28:08,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797144302] [2021-12-18 05:28:08,650 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 05:28:08,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:28:08,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:28:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:28:08,651 INFO L87 Difference]: Start difference. First operand 592 states and 847 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 05:28:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:10,061 INFO L93 Difference]: Finished difference Result 1160 states and 1676 transitions. [2021-12-18 05:28:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 05:28:10,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 145 [2021-12-18 05:28:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:10,069 INFO L225 Difference]: With dead ends: 1160 [2021-12-18 05:28:10,069 INFO L226 Difference]: Without dead ends: 602 [2021-12-18 05:28:10,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:28:10,073 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 19 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2467 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:10,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 2467 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 05:28:10,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-12-18 05:28:10,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-12-18 05:28:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 460 states have (on average 1.3847826086956523) internal successors, (637), 461 states have internal predecessors, (637), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-18 05:28:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 859 transitions. [2021-12-18 05:28:10,096 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 859 transitions. Word has length 145 [2021-12-18 05:28:10,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:10,097 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 859 transitions. [2021-12-18 05:28:10,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 05:28:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 859 transitions. [2021-12-18 05:28:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-18 05:28:10,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:10,099 INFO L514 BasicCegarLoop]: trace histogram [18, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:10,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:10,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:10,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:10,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1191971032, now seen corresponding path program 2 times [2021-12-18 05:28:10,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:10,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45904605] [2021-12-18 05:28:10,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:28:10,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:10,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:10,323 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:10,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 05:28:30,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:28:30,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:28:30,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 05:28:30,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-12-18 05:28:32,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:28:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-18 05:28:33,914 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:33,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45904605] [2021-12-18 05:28:33,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45904605] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:28:33,914 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 05:28:33,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-12-18 05:28:33,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613258456] [2021-12-18 05:28:33,915 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 05:28:33,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 05:28:33,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:33,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 05:28:33,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:28:33,916 INFO L87 Difference]: Start difference. First operand 602 states and 859 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 05:28:36,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:36,334 INFO L93 Difference]: Finished difference Result 1153 states and 1659 transitions. [2021-12-18 05:28:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 05:28:36,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2021-12-18 05:28:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:36,339 INFO L225 Difference]: With dead ends: 1153 [2021-12-18 05:28:36,340 INFO L226 Difference]: Without dead ends: 606 [2021-12-18 05:28:36,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:28:36,345 INFO L933 BasicCegarLoop]: 820 mSDtfsCounter, 36 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:36,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 3274 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 05:28:36,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-12-18 05:28:36,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2021-12-18 05:28:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 464 states have (on average 1.3771551724137931) internal successors, (639), 465 states have internal predecessors, (639), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-18 05:28:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 861 transitions. [2021-12-18 05:28:36,367 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 861 transitions. Word has length 158 [2021-12-18 05:28:36,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:36,369 INFO L470 AbstractCegarLoop]: Abstraction has 606 states and 861 transitions. [2021-12-18 05:28:36,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 05:28:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 861 transitions. [2021-12-18 05:28:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 05:28:36,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:36,372 INFO L514 BasicCegarLoop]: trace histogram [22, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:36,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:36,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:36,591 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -42497240, now seen corresponding path program 3 times [2021-12-18 05:28:36,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:36,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837547471] [2021-12-18 05:28:36,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 05:28:36,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:36,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:36,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 05:28:52,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-18 05:28:52,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:28:52,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:28:52,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-12-18 05:28:53,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:53,501 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:53,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837547471] [2021-12-18 05:28:53,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837547471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:53,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:53,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:28:53,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42396004] [2021-12-18 05:28:53,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:53,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:28:53,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:53,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:28:53,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:53,503 INFO L87 Difference]: Start difference. First operand 606 states and 861 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:28:54,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:54,874 INFO L93 Difference]: Finished difference Result 1201 states and 1718 transitions. [2021-12-18 05:28:54,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:28:54,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 162 [2021-12-18 05:28:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:54,888 INFO L225 Difference]: With dead ends: 1201 [2021-12-18 05:28:54,888 INFO L226 Difference]: Without dead ends: 661 [2021-12-18 05:28:54,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:54,890 INFO L933 BasicCegarLoop]: 831 mSDtfsCounter, 114 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:54,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 1514 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-18 05:28:54,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2021-12-18 05:28:54,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2021-12-18 05:28:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 511 states have (on average 1.3737769080234834) internal successors, (702), 513 states have internal predecessors, (702), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2021-12-18 05:28:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 932 transitions. [2021-12-18 05:28:54,910 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 932 transitions. Word has length 162 [2021-12-18 05:28:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:54,911 INFO L470 AbstractCegarLoop]: Abstraction has 661 states and 932 transitions. [2021-12-18 05:28:54,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:28:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 932 transitions. [2021-12-18 05:28:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-18 05:28:54,914 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:54,914 INFO L514 BasicCegarLoop]: trace histogram [22, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:54,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:55,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:55,128 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:55,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:55,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1102966684, now seen corresponding path program 1 times [2021-12-18 05:28:55,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:55,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317988095] [2021-12-18 05:28:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:55,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:55,131 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:55,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 05:28:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:56,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-18 05:28:56,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 330 proven. 21 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-12-18 05:28:59,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:29:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2021-12-18 05:29:04,048 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:04,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317988095] [2021-12-18 05:29:04,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317988095] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:29:04,048 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 05:29:04,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-12-18 05:29:04,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125934681] [2021-12-18 05:29:04,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 05:29:04,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 05:29:04,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:04,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 05:29:04,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-12-18 05:29:04,050 INFO L87 Difference]: Start difference. First operand 661 states and 932 transitions. Second operand has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 05:29:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:08,234 INFO L93 Difference]: Finished difference Result 1301 states and 1851 transitions. [2021-12-18 05:29:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 05:29:08,236 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 230 [2021-12-18 05:29:08,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:08,240 INFO L225 Difference]: With dead ends: 1301 [2021-12-18 05:29:08,240 INFO L226 Difference]: Without dead ends: 671 [2021-12-18 05:29:08,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2021-12-18 05:29:08,243 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 79 mSDsluCounter, 6556 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 7380 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:08,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 7380 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 05:29:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-12-18 05:29:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 665. [2021-12-18 05:29:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3728155339805825) internal successors, (707), 517 states have internal predecessors, (707), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2021-12-18 05:29:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 937 transitions. [2021-12-18 05:29:08,261 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 937 transitions. Word has length 230 [2021-12-18 05:29:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:08,262 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 937 transitions. [2021-12-18 05:29:08,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 05:29:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 937 transitions. [2021-12-18 05:29:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-18 05:29:08,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:08,265 INFO L514 BasicCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:29:08,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 05:29:08,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:08,492 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2074666396, now seen corresponding path program 2 times [2021-12-18 05:29:08,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:08,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605147475] [2021-12-18 05:29:08,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:29:08,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:08,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:08,494 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:08,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 05:29:09,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 05:29:09,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:29:09,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:29:09,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:13,806 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-18 05:29:13,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:13,807 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:13,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605147475] [2021-12-18 05:29:13,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605147475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:13,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:13,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 05:29:13,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939077457] [2021-12-18 05:29:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:13,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:29:13,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:13,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:29:13,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:13,809 INFO L87 Difference]: Start difference. First operand 665 states and 937 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:29:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:14,169 INFO L93 Difference]: Finished difference Result 1260 states and 1805 transitions. [2021-12-18 05:29:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:29:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 232 [2021-12-18 05:29:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:14,174 INFO L225 Difference]: With dead ends: 1260 [2021-12-18 05:29:14,175 INFO L226 Difference]: Without dead ends: 665 [2021-12-18 05:29:14,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:14,178 INFO L933 BasicCegarLoop]: 770 mSDtfsCounter, 705 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:14,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 770 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:29:14,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-12-18 05:29:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2021-12-18 05:29:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3184466019417476) internal successors, (679), 517 states have internal predecessors, (679), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2021-12-18 05:29:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 909 transitions. [2021-12-18 05:29:14,201 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 909 transitions. Word has length 232 [2021-12-18 05:29:14,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:14,202 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 909 transitions. [2021-12-18 05:29:14,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:29:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 909 transitions. [2021-12-18 05:29:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-18 05:29:14,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:14,206 INFO L514 BasicCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:29:14,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-18 05:29:14,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:14,428 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:14,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1199232546, now seen corresponding path program 1 times [2021-12-18 05:29:14,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:14,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144159901] [2021-12-18 05:29:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:14,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:14,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:14,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:14,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 05:29:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:15,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:29:15,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2021-12-18 05:29:17,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:17,067 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:17,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144159901] [2021-12-18 05:29:17,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144159901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:17,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:17,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:29:17,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817543601] [2021-12-18 05:29:17,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:17,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:29:17,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:17,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:29:17,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:29:17,068 INFO L87 Difference]: Start difference. First operand 665 states and 909 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 05:29:17,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:17,761 INFO L93 Difference]: Finished difference Result 1848 states and 2552 transitions. [2021-12-18 05:29:17,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:29:17,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 232 [2021-12-18 05:29:17,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:17,768 INFO L225 Difference]: With dead ends: 1848 [2021-12-18 05:29:17,769 INFO L226 Difference]: Without dead ends: 1227 [2021-12-18 05:29:17,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:29:17,772 INFO L933 BasicCegarLoop]: 1535 mSDtfsCounter, 742 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:17,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [743 Valid, 5381 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 05:29:17,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-12-18 05:29:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1171. [2021-12-18 05:29:17,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 910 states have (on average 1.3318681318681318) internal successors, (1212), 911 states have internal predecessors, (1212), 205 states have call successors, (205), 55 states have call predecessors, (205), 55 states have return successors, (205), 204 states have call predecessors, (205), 205 states have call successors, (205) [2021-12-18 05:29:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1622 transitions. [2021-12-18 05:29:17,811 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1622 transitions. Word has length 232 [2021-12-18 05:29:17,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:17,812 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 1622 transitions. [2021-12-18 05:29:17,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 05:29:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1622 transitions. [2021-12-18 05:29:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-12-18 05:29:17,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:17,816 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:29:17,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-18 05:29:18,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:18,035 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash 66608125, now seen corresponding path program 1 times [2021-12-18 05:29:18,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:18,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605145782] [2021-12-18 05:29:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:18,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:18,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:18,038 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:18,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 05:29:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:19,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:29:19,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2021-12-18 05:29:21,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:21,276 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:21,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605145782] [2021-12-18 05:29:21,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605145782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:21,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:21,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:29:21,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373710420] [2021-12-18 05:29:21,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:21,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:29:21,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:29:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:21,278 INFO L87 Difference]: Start difference. First operand 1171 states and 1622 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 05:29:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:22,810 INFO L93 Difference]: Finished difference Result 2762 states and 3865 transitions. [2021-12-18 05:29:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:29:22,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 252 [2021-12-18 05:29:22,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:22,819 INFO L225 Difference]: With dead ends: 2762 [2021-12-18 05:29:22,820 INFO L226 Difference]: Without dead ends: 1661 [2021-12-18 05:29:22,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:22,824 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 311 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:22,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 1540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-18 05:29:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2021-12-18 05:29:22,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1659. [2021-12-18 05:29:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1306 states have (on average 1.3238897396630933) internal successors, (1729), 1308 states have internal predecessors, (1729), 263 states have call successors, (263), 89 states have call predecessors, (263), 89 states have return successors, (263), 261 states have call predecessors, (263), 263 states have call successors, (263) [2021-12-18 05:29:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2255 transitions. [2021-12-18 05:29:22,896 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2255 transitions. Word has length 252 [2021-12-18 05:29:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:22,896 INFO L470 AbstractCegarLoop]: Abstraction has 1659 states and 2255 transitions. [2021-12-18 05:29:22,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 05:29:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2255 transitions. [2021-12-18 05:29:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 05:29:22,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:22,900 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:29:22,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 05:29:23,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:23,119 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1994663842, now seen corresponding path program 1 times [2021-12-18 05:29:23,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:23,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274061688] [2021-12-18 05:29:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:23,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:23,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:23,123 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:23,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 05:29:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:24,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:29:24,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2021-12-18 05:29:24,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:24,933 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:24,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274061688] [2021-12-18 05:29:24,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274061688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:24,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:24,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:29:24,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754815501] [2021-12-18 05:29:24,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:24,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:29:24,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:24,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:29:24,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:24,935 INFO L87 Difference]: Start difference. First operand 1659 states and 2255 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-18 05:29:27,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:27,264 INFO L93 Difference]: Finished difference Result 3252 states and 4445 transitions. [2021-12-18 05:29:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:29:27,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 262 [2021-12-18 05:29:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:27,275 INFO L225 Difference]: With dead ends: 3252 [2021-12-18 05:29:27,275 INFO L226 Difference]: Without dead ends: 1663 [2021-12-18 05:29:27,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:27,281 INFO L933 BasicCegarLoop]: 791 mSDtfsCounter, 0 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:27,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1578 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-18 05:29:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2021-12-18 05:29:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2021-12-18 05:29:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1310 states have (on average 1.3229007633587786) internal successors, (1733), 1312 states have internal predecessors, (1733), 263 states have call successors, (263), 89 states have call predecessors, (263), 89 states have return successors, (263), 261 states have call predecessors, (263), 263 states have call successors, (263) [2021-12-18 05:29:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2259 transitions. [2021-12-18 05:29:27,330 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2259 transitions. Word has length 262 [2021-12-18 05:29:27,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:27,331 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 2259 transitions. [2021-12-18 05:29:27,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-18 05:29:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2259 transitions. [2021-12-18 05:29:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 05:29:27,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:27,334 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:29:27,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 05:29:27,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:27,556 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:27,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2051922144, now seen corresponding path program 1 times [2021-12-18 05:29:27,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:27,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263110100] [2021-12-18 05:29:27,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:27,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:27,558 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:27,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 05:29:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:29,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-18 05:29:29,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2021-12-18 05:29:32,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:32,318 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:32,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263110100] [2021-12-18 05:29:32,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263110100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:32,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:32,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 05:29:32,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904565533] [2021-12-18 05:29:32,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:32,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 05:29:32,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:32,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 05:29:32,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:29:32,320 INFO L87 Difference]: Start difference. First operand 1663 states and 2259 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:29:38,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:42,451 INFO L93 Difference]: Finished difference Result 1767 states and 2384 transitions. [2021-12-18 05:29:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 05:29:42,453 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 262 [2021-12-18 05:29:42,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:42,460 INFO L225 Difference]: With dead ends: 1767 [2021-12-18 05:29:42,461 INFO L226 Difference]: Without dead ends: 1765 [2021-12-18 05:29:42,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2021-12-18 05:29:42,463 INFO L933 BasicCegarLoop]: 851 mSDtfsCounter, 812 mSDsluCounter, 8515 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 9366 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:42,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [822 Valid, 9366 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 301 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 05:29:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2021-12-18 05:29:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1756. [2021-12-18 05:29:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1382 states have (on average 1.316931982633864) internal successors, (1820), 1385 states have internal predecessors, (1820), 273 states have call successors, (273), 100 states have call predecessors, (273), 100 states have return successors, (273), 270 states have call predecessors, (273), 273 states have call successors, (273) [2021-12-18 05:29:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2366 transitions. [2021-12-18 05:29:42,538 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2366 transitions. Word has length 262 [2021-12-18 05:29:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:42,540 INFO L470 AbstractCegarLoop]: Abstraction has 1756 states and 2366 transitions. [2021-12-18 05:29:42,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:29:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2366 transitions. [2021-12-18 05:29:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-18 05:29:42,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:42,543 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 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] [2021-12-18 05:29:42,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 05:29:42,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:42,768 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:42,768 INFO L85 PathProgramCache]: Analyzing trace with hash -697343136, now seen corresponding path program 1 times [2021-12-18 05:29:42,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:42,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531023155] [2021-12-18 05:29:42,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:42,769 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:42,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:42,770 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:42,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 05:29:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:44,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:29:44,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2021-12-18 05:29:44,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:44,928 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531023155] [2021-12-18 05:29:44,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531023155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:44,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:44,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:29:44,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363688102] [2021-12-18 05:29:44,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:44,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:29:44,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:44,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:29:44,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:44,930 INFO L87 Difference]: Start difference. First operand 1756 states and 2366 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:29:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:29:46,739 INFO L93 Difference]: Finished difference Result 3865 states and 5266 transitions. [2021-12-18 05:29:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:29:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 271 [2021-12-18 05:29:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:29:46,750 INFO L225 Difference]: With dead ends: 3865 [2021-12-18 05:29:46,750 INFO L226 Difference]: Without dead ends: 2256 [2021-12-18 05:29:46,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:29:46,756 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 394 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:29:46,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 1638 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 05:29:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2021-12-18 05:29:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2254. [2021-12-18 05:29:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1786 states have (on average 1.312989921612542) internal successors, (2345), 1790 states have internal predecessors, (2345), 331 states have call successors, (331), 136 states have call predecessors, (331), 136 states have return successors, (331), 327 states have call predecessors, (331), 331 states have call successors, (331) [2021-12-18 05:29:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3007 transitions. [2021-12-18 05:29:46,848 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3007 transitions. Word has length 271 [2021-12-18 05:29:46,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:29:46,849 INFO L470 AbstractCegarLoop]: Abstraction has 2254 states and 3007 transitions. [2021-12-18 05:29:46,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:29:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3007 transitions. [2021-12-18 05:29:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-18 05:29:46,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:29:46,852 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 05:29:46,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-12-18 05:29:47,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:29:47,072 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:29:47,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:29:47,072 INFO L85 PathProgramCache]: Analyzing trace with hash -250981253, now seen corresponding path program 1 times [2021-12-18 05:29:47,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:29:47,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211971085] [2021-12-18 05:29:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:29:47,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:29:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:29:47,075 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:29:47,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-18 05:29:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:29:48,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-18 05:29:48,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:29:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2021-12-18 05:29:52,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:52,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:52,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211971085] [2021-12-18 05:29:52,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211971085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:52,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:52,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-18 05:29:52,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045016519] [2021-12-18 05:29:52,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:52,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 05:29:52,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:52,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 05:29:52,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-12-18 05:29:52,523 INFO L87 Difference]: Start difference. First operand 2254 states and 3007 transitions. Second operand has 14 states, 12 states have (on average 8.083333333333334) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 05:29:58,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:30:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:04,227 INFO L93 Difference]: Finished difference Result 2277 states and 3031 transitions. [2021-12-18 05:30:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 05:30:04,229 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.083333333333334) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 275 [2021-12-18 05:30:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:04,239 INFO L225 Difference]: With dead ends: 2277 [2021-12-18 05:30:04,239 INFO L226 Difference]: Without dead ends: 2275 [2021-12-18 05:30:04,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2021-12-18 05:30:04,241 INFO L933 BasicCegarLoop]: 850 mSDtfsCounter, 810 mSDsluCounter, 8528 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 9378 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:04,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [820 Valid, 9378 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 313 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 05:30:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2021-12-18 05:30:04,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2262. [2021-12-18 05:30:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1792 states have (on average 1.3097098214285714) internal successors, (2347), 1796 states have internal predecessors, (2347), 331 states have call successors, (331), 138 states have call predecessors, (331), 138 states have return successors, (331), 327 states have call predecessors, (331), 331 states have call successors, (331) [2021-12-18 05:30:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3009 transitions. [2021-12-18 05:30:04,345 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3009 transitions. Word has length 275 [2021-12-18 05:30:04,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:04,346 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3009 transitions. [2021-12-18 05:30:04,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.083333333333334) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 05:30:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3009 transitions. [2021-12-18 05:30:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 05:30:04,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:04,352 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2021-12-18 05:30:04,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-18 05:30:04,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:04,572 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:04,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash 772665600, now seen corresponding path program 1 times [2021-12-18 05:30:04,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:04,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993890391] [2021-12-18 05:30:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:30:04,574 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:04,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:04,574 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:04,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-18 05:30:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:30:06,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:30:06,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:30:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2021-12-18 05:30:06,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:30:06,947 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:30:06,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993890391] [2021-12-18 05:30:06,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993890391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:30:06,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:30:06,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:30:06,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094819006] [2021-12-18 05:30:06,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:30:06,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:30:06,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:30:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:30:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:30:06,949 INFO L87 Difference]: Start difference. First operand 2262 states and 3009 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:07,761 INFO L93 Difference]: Finished difference Result 5538 states and 7349 transitions. [2021-12-18 05:30:07,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:30:07,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 292 [2021-12-18 05:30:07,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:07,780 INFO L225 Difference]: With dead ends: 5538 [2021-12-18 05:30:07,781 INFO L226 Difference]: Without dead ends: 3423 [2021-12-18 05:30:07,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:30:07,785 INFO L933 BasicCegarLoop]: 1222 mSDtfsCounter, 588 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:07,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 3074 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:30:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2021-12-18 05:30:07,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 2266. [2021-12-18 05:30:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1796 states have (on average 1.30902004454343) internal successors, (2351), 1800 states have internal predecessors, (2351), 331 states have call successors, (331), 138 states have call predecessors, (331), 138 states have return successors, (331), 327 states have call predecessors, (331), 331 states have call successors, (331) [2021-12-18 05:30:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3013 transitions. [2021-12-18 05:30:07,874 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3013 transitions. Word has length 292 [2021-12-18 05:30:07,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:07,875 INFO L470 AbstractCegarLoop]: Abstraction has 2266 states and 3013 transitions. [2021-12-18 05:30:07,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3013 transitions. [2021-12-18 05:30:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-18 05:30:07,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:07,880 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2021-12-18 05:30:07,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-12-18 05:30:08,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:08,104 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:08,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:08,104 INFO L85 PathProgramCache]: Analyzing trace with hash -96459902, now seen corresponding path program 1 times [2021-12-18 05:30:08,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:08,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717869024] [2021-12-18 05:30:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:30:08,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:08,106 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:08,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-18 05:30:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:30:09,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1849 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-18 05:30:09,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:30:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2021-12-18 05:30:12,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:30:12,036 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:30:12,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717869024] [2021-12-18 05:30:12,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717869024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:30:12,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:30:12,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:30:12,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978952594] [2021-12-18 05:30:12,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:30:12,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:30:12,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:30:12,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:30:12,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:30:12,038 INFO L87 Difference]: Start difference. First operand 2266 states and 3013 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:13,687 INFO L93 Difference]: Finished difference Result 4834 states and 6471 transitions. [2021-12-18 05:30:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:30:13,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 298 [2021-12-18 05:30:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:13,702 INFO L225 Difference]: With dead ends: 4834 [2021-12-18 05:30:13,703 INFO L226 Difference]: Without dead ends: 2715 [2021-12-18 05:30:13,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:30:13,709 INFO L933 BasicCegarLoop]: 977 mSDtfsCounter, 158 mSDsluCounter, 5681 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6658 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:13,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 6658 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-18 05:30:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2021-12-18 05:30:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2282. [2021-12-18 05:30:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 1808 states have (on average 1.3069690265486726) internal successors, (2363), 1812 states have internal predecessors, (2363), 331 states have call successors, (331), 138 states have call predecessors, (331), 142 states have return successors, (341), 331 states have call predecessors, (341), 331 states have call successors, (341) [2021-12-18 05:30:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3035 transitions. [2021-12-18 05:30:13,817 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3035 transitions. Word has length 298 [2021-12-18 05:30:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:13,817 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 3035 transitions. [2021-12-18 05:30:13,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3035 transitions. [2021-12-18 05:30:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-18 05:30:13,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:13,823 INFO L514 BasicCegarLoop]: trace histogram [24, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 05:30:13,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-18 05:30:14,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:14,044 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:14,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1466941213, now seen corresponding path program 2 times [2021-12-18 05:30:14,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:14,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730708511] [2021-12-18 05:30:14,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:30:14,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:14,047 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:14,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-18 05:30:36,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:30:36,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:30:36,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:30:36,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:30:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-12-18 05:30:37,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:30:37,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:30:37,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730708511] [2021-12-18 05:30:37,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730708511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:30:37,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:30:37,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:30:37,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993442861] [2021-12-18 05:30:37,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:30:37,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:30:37,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:30:37,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:30:37,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:30:37,332 INFO L87 Difference]: Start difference. First operand 2282 states and 3035 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:39,247 INFO L93 Difference]: Finished difference Result 4933 states and 6613 transitions. [2021-12-18 05:30:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:30:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 304 [2021-12-18 05:30:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:39,254 INFO L225 Difference]: With dead ends: 4933 [2021-12-18 05:30:39,254 INFO L226 Difference]: Without dead ends: 2798 [2021-12-18 05:30:39,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:30:39,258 INFO L933 BasicCegarLoop]: 1070 mSDtfsCounter, 422 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:39,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 1655 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 05:30:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2021-12-18 05:30:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2798. [2021-12-18 05:30:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2224 states have (on average 1.3030575539568345) internal successors, (2898), 2229 states have internal predecessors, (2898), 389 states have call successors, (389), 180 states have call predecessors, (389), 184 states have return successors, (399), 388 states have call predecessors, (399), 389 states have call successors, (399) [2021-12-18 05:30:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3686 transitions. [2021-12-18 05:30:39,356 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3686 transitions. Word has length 304 [2021-12-18 05:30:39,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:39,357 INFO L470 AbstractCegarLoop]: Abstraction has 2798 states and 3686 transitions. [2021-12-18 05:30:39,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 05:30:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3686 transitions. [2021-12-18 05:30:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-18 05:30:39,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:39,374 INFO L514 BasicCegarLoop]: trace histogram [24, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:30:39,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-12-18 05:30:39,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:39,596 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash -70036617, now seen corresponding path program 1 times [2021-12-18 05:30:39,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:39,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997007981] [2021-12-18 05:30:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:30:39,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:39,598 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:39,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-18 05:30:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:30:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:30:41,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:30:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-12-18 05:30:42,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:30:42,337 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:30:42,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997007981] [2021-12-18 05:30:42,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997007981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:30:42,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:30:42,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:30:42,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868318999] [2021-12-18 05:30:42,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:30:42,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:30:42,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:30:42,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:30:42,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:30:42,338 INFO L87 Difference]: Start difference. First operand 2798 states and 3686 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 05:30:43,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:43,361 INFO L93 Difference]: Finished difference Result 7300 states and 9602 transitions. [2021-12-18 05:30:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:30:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 347 [2021-12-18 05:30:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:43,388 INFO L225 Difference]: With dead ends: 7300 [2021-12-18 05:30:43,388 INFO L226 Difference]: Without dead ends: 4649 [2021-12-18 05:30:43,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:30:43,395 INFO L933 BasicCegarLoop]: 1337 mSDtfsCounter, 766 mSDsluCounter, 1900 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 3237 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:43,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 3237 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 05:30:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2021-12-18 05:30:43,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 2802. [2021-12-18 05:30:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2228 states have (on average 1.3025134649910233) internal successors, (2902), 2233 states have internal predecessors, (2902), 389 states have call successors, (389), 180 states have call predecessors, (389), 184 states have return successors, (399), 388 states have call predecessors, (399), 389 states have call successors, (399) [2021-12-18 05:30:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3690 transitions. [2021-12-18 05:30:43,536 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3690 transitions. Word has length 347 [2021-12-18 05:30:43,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:43,537 INFO L470 AbstractCegarLoop]: Abstraction has 2802 states and 3690 transitions. [2021-12-18 05:30:43,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 05:30:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3690 transitions. [2021-12-18 05:30:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-12-18 05:30:43,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:43,545 INFO L514 BasicCegarLoop]: trace histogram [24, 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] [2021-12-18 05:30:43,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-18 05:30:43,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:43,768 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1531732987, now seen corresponding path program 1 times [2021-12-18 05:30:43,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:43,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062163423] [2021-12-18 05:30:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:30:43,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:43,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:43,771 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:43,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-18 05:30:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:30:45,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 05:30:45,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:30:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-12-18 05:30:49,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:30:49,415 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:30:49,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062163423] [2021-12-18 05:30:49,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062163423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:30:49,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:30:49,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 05:30:49,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786526950] [2021-12-18 05:30:49,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:30:49,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 05:30:49,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:30:49,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 05:30:49,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:30:49,418 INFO L87 Difference]: Start difference. First operand 2802 states and 3690 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) [2021-12-18 05:30:50,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:30:50,464 INFO L93 Difference]: Finished difference Result 6204 states and 8236 transitions. [2021-12-18 05:30:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 05:30:50,465 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 400 [2021-12-18 05:30:50,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:30:50,477 INFO L225 Difference]: With dead ends: 6204 [2021-12-18 05:30:50,477 INFO L226 Difference]: Without dead ends: 3549 [2021-12-18 05:30:50,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:30:50,481 INFO L933 BasicCegarLoop]: 1061 mSDtfsCounter, 221 mSDsluCounter, 8235 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:30:50,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 9296 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 05:30:50,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2021-12-18 05:30:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 2824. [2021-12-18 05:30:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2244 states have (on average 1.3003565062388591) internal successors, (2918), 2249 states have internal predecessors, (2918), 389 states have call successors, (389), 180 states have call predecessors, (389), 190 states have return successors, (417), 394 states have call predecessors, (417), 389 states have call successors, (417) [2021-12-18 05:30:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3724 transitions. [2021-12-18 05:30:50,599 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3724 transitions. Word has length 400 [2021-12-18 05:30:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:30:50,600 INFO L470 AbstractCegarLoop]: Abstraction has 2824 states and 3724 transitions. [2021-12-18 05:30:50,600 INFO L471 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) [2021-12-18 05:30:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3724 transitions. [2021-12-18 05:30:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-12-18 05:30:50,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:30:50,608 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:30:50,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-12-18 05:30:50,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:30:50,824 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:30:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:30:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1935147143, now seen corresponding path program 2 times [2021-12-18 05:30:50,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:30:50,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479970570] [2021-12-18 05:30:50,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:30:50,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:30:50,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:30:50,827 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:30:50,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-18 05:31:12,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:31:12,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:31:12,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:31:12,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:31:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2021-12-18 05:31:13,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:31:13,567 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:31:13,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479970570] [2021-12-18 05:31:13,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479970570] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:31:13,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:31:13,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:31:13,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111588380] [2021-12-18 05:31:13,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:31:13,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:31:13,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:31:13,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:31:13,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:31:13,570 INFO L87 Difference]: Start difference. First operand 2824 states and 3724 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2021-12-18 05:31:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:31:13,723 INFO L93 Difference]: Finished difference Result 5503 states and 7276 transitions. [2021-12-18 05:31:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:31:13,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 412 [2021-12-18 05:31:13,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:31:13,734 INFO L225 Difference]: With dead ends: 5503 [2021-12-18 05:31:13,734 INFO L226 Difference]: Without dead ends: 2826 [2021-12-18 05:31:13,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:31:13,740 INFO L933 BasicCegarLoop]: 791 mSDtfsCounter, 0 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:31:13,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1577 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:31:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2021-12-18 05:31:13,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2826. [2021-12-18 05:31:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2246 states have (on average 1.3000890471950133) internal successors, (2920), 2251 states have internal predecessors, (2920), 389 states have call successors, (389), 180 states have call predecessors, (389), 190 states have return successors, (417), 394 states have call predecessors, (417), 389 states have call successors, (417) [2021-12-18 05:31:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3726 transitions. [2021-12-18 05:31:13,868 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3726 transitions. Word has length 412 [2021-12-18 05:31:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:31:13,869 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 3726 transitions. [2021-12-18 05:31:13,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2021-12-18 05:31:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3726 transitions. [2021-12-18 05:31:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-18 05:31:13,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:31:13,876 INFO L514 BasicCegarLoop]: trace histogram [24, 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] [2021-12-18 05:31:13,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-12-18 05:31:14,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:31:14,096 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:31:14,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:31:14,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1692530456, now seen corresponding path program 1 times [2021-12-18 05:31:14,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:31:14,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165815106] [2021-12-18 05:31:14,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:31:14,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:31:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:31:14,100 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:31:14,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-18 05:31:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:31:16,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:31:16,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:31:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2021-12-18 05:31:17,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:31:17,216 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:31:17,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165815106] [2021-12-18 05:31:17,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165815106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:31:17,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:31:17,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:31:17,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319943119] [2021-12-18 05:31:17,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:31:17,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:31:17,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:31:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:31:17,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:31:17,218 INFO L87 Difference]: Start difference. First operand 2826 states and 3726 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2021-12-18 05:31:17,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:31:17,621 INFO L93 Difference]: Finished difference Result 5513 states and 7290 transitions. [2021-12-18 05:31:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:31:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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 406 [2021-12-18 05:31:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:31:17,629 INFO L225 Difference]: With dead ends: 5513 [2021-12-18 05:31:17,629 INFO L226 Difference]: Without dead ends: 2834 [2021-12-18 05:31:17,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:31:17,635 INFO L933 BasicCegarLoop]: 789 mSDtfsCounter, 2 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:31:17,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2360 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:31:17,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-18 05:31:17,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2832. [2021-12-18 05:31:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2252 states have (on average 1.2992895204262878) internal successors, (2926), 2257 states have internal predecessors, (2926), 389 states have call successors, (389), 180 states have call predecessors, (389), 190 states have return successors, (417), 394 states have call predecessors, (417), 389 states have call successors, (417) [2021-12-18 05:31:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3732 transitions. [2021-12-18 05:31:17,757 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3732 transitions. Word has length 406 [2021-12-18 05:31:17,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:31:17,757 INFO L470 AbstractCegarLoop]: Abstraction has 2832 states and 3732 transitions. [2021-12-18 05:31:17,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2021-12-18 05:31:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3732 transitions. [2021-12-18 05:31:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-18 05:31:17,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:31:17,765 INFO L514 BasicCegarLoop]: trace histogram [24, 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] [2021-12-18 05:31:17,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-18 05:31:17,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:31:17,988 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:31:17,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:31:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash 633213156, now seen corresponding path program 1 times [2021-12-18 05:31:17,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:31:17,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755615551] [2021-12-18 05:31:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:31:17,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:31:17,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:31:17,990 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:31:17,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-18 05:33:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:33:06,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 05:35:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:35:22,682 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 05:35:22,683 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 05:35:22,684 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 05:35:22,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-12-18 05:35:22,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:35:22,890 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:35:22,894 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 05:35:22,986 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,992 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,992 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,992 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,993 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,994 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,994 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,994 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,995 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:22,995 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:22,995 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,995 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,996 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:22,996 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:22,996 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,997 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,999 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:22,999 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,000 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,000 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,000 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,000 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,001 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,001 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,001 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,001 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,001 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,002 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,002 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,002 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,002 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,003 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,003 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,003 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,003 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,004 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,004 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,004 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,004 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,005 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,005 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,005 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,005 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,006 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,006 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,006 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,006 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,006 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,007 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,007 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,007 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,007 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,007 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,008 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,008 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,009 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,009 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,009 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,010 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,010 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,010 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,010 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,011 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,011 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,011 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,011 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,011 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,012 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,012 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,012 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,012 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,013 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,013 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,013 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,013 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,014 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,014 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,014 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,014 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,015 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,015 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,015 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,015 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,016 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,016 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,016 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,016 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,017 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,017 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,017 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,017 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,017 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,018 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,018 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,018 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,018 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,018 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,019 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,019 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,019 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,019 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,019 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-18 05:35:23,020 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-18 05:35:23,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:35:23 BoogieIcfgContainer [2021-12-18 05:35:23,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 05:35:23,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 05:35:23,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 05:35:23,502 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 05:35:23,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:27:38" (3/4) ... [2021-12-18 05:35:23,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 05:35:23,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 05:35:23,519 INFO L158 Benchmark]: Toolchain (without parser) took 483147.23ms. Allocated memory was 58.7MB in the beginning and 209.7MB in the end (delta: 151.0MB). Free memory was 38.6MB in the beginning and 91.3MB in the end (delta: -52.7MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,523 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:35:23,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1528.77ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 38.3MB in the beginning and 53.9MB in the end (delta: -15.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.99ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 42.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,524 INFO L158 Benchmark]: Boogie Preprocessor took 177.79ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 42.6MB in the beginning and 86.5MB in the end (delta: -43.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,525 INFO L158 Benchmark]: RCFGBuilder took 16644.37ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 85.9MB in the beginning and 61.1MB in the end (delta: 24.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,527 INFO L158 Benchmark]: TraceAbstraction took 464623.99ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 91.3MB in the end (delta: -30.2MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2021-12-18 05:35:23,527 INFO L158 Benchmark]: Witness Printer took 16.51ms. Allocated memory is still 209.7MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:35:23,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1528.77ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 38.3MB in the beginning and 53.9MB in the end (delta: -15.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.99ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 42.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.79ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 42.6MB in the beginning and 86.5MB in the end (delta: -43.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * RCFGBuilder took 16644.37ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 85.9MB in the beginning and 61.1MB in the end (delta: 24.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * TraceAbstraction took 464623.99ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 91.3MB in the end (delta: -30.2MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Witness Printer took 16.51ms. Allocated memory is still 209.7MB. Free memory is still 91.3MB. 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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * 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. 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={0:0}, 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, 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={0:0}, 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, ldvarg0={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg6={4611686018460942417:0}, 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={0:0}, 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, 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={0:0}, calloc(1UL, size)={36028799166447627:0}, 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={0:0}, calloc(1UL, size)={36028799166447627:0}, 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={36028799166447627:0}, ref_cnt=0, size=1, tmp={36028799166447627:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, calloc(1UL, size)={36028799166447627:0}, 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={36028799166447627:0}, ref_cnt=0, size=1, tmp={36028799166447627:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1, \result={36028799166447627:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={36028799166447627:0}, 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={36028799166447627:0}, ref_cnt=0, size=1, tmp={36028799166447627:0}, 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={0:0}, 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_init_zalloc(1UL)={36028799166447627:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg6={4611686018460942417:0}, 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={0:0}, 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, ldvarg0={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, 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={0:0}, 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, 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={0:0}, 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={4611686018427387904:0}, ref_cnt=0, size=192, tmp={4611686018427387904:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, 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={4611686018427387904:0}, ref_cnt=0, size=192, tmp={4611686018427387904:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=192, \result={4611686018427387904:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={4611686018427387904:0}, ref_cnt=0, size=192, tmp={4611686018427387904:0}, 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={0:0}, 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_malloc(192UL)={4611686018427387904:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, 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, ldvarg0={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, 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={0:0}, 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, ldvarg0={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, 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={0:0}, 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, 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={0:0}, calloc(1UL, size)={2199023255636:0}, 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={0:0}, calloc(1UL, size)={2199023255636:0}, 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={2199023255636:0}, ref_cnt=0, size=44, tmp={2199023255636:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, calloc(1UL, size)={2199023255636:0}, 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={2199023255636:0}, ref_cnt=0, size=44, tmp={2199023255636:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=44, \result={2199023255636:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={2199023255636:0}, 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={2199023255636:0}, ref_cnt=0, size=44, tmp={2199023255636:0}, 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={0:0}, 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_init_zalloc(44UL)={2199023255636:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, 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={0:0}, 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, ldvarg0={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, 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={0:0}, 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, 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={0:0}, calloc(1UL, size)={2097216:0}, 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={0:0}, calloc(1UL, size)={2097216:0}, 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={2097216:0}, ref_cnt=0, size=24, tmp={2097216:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, calloc(1UL, size)={2097216:0}, 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={2097216:0}, ref_cnt=0, size=24, tmp={2097216:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=24, \result={2097216:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={2097216:0}, 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={2097216:0}, ref_cnt=0, size=24, tmp={2097216:0}, 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={0:0}, 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_init_zalloc(24UL)={2097216:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, 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={0:0}, 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, 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={0:0}, 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={1152921504606847070:0}, ref_cnt=0, size=2516, tmp={1152921504606847070:0}, 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={0:0}, 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, 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={0:0}, 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={0:0}, 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={1152921504606847070:0}, ref_cnt=0, size=2516, tmp={1152921504606847070:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=2516, \result={1152921504606847070:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, ref_cnt=0, size=2516, tmp={1152921504606847070:0}, 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={0:0}, 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_malloc(sizeof(struct tty_struct))={1152921504606847070:0}, 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={0:0}, 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={1152921504606847070:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4611686018427388020:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, 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={4611686018427388020:0}, s={4611686018427388020:0}, tmp={4611686018427388020:0}, 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={0:0}, 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={1152921504606847070:0}, ldv_memset((void *)(& ldvarg3), 0, 4UL)={4611686018427388020:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4613947713845723217:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, 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={4613947713845723217:0}, s={4613947713845723217:0}, tmp={4613947713845723217:0}, 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={0:0}, 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={1152921504606847070:0}, ldv_memset((void *)(& ldvarg0), 0, 4UL)={4613947713845723217:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4611686018460942417:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, 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={4611686018460942417:0}, s={4611686018460942417:0}, tmp={4611686018460942417:0}, 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={0:0}, 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={1152921504606847070:0}, ldv_memset((void *)(& ldvarg6), 0, 4UL)={4611686018460942417:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4611686018427453553:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, 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={4611686018427453553:0}, s={4611686018427453553:0}, tmp={4611686018427453553:0}, 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={0:0}, 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={1152921504606847070:0}, ldv_memset((void *)(& ldvarg1), 0, 4UL)={4611686018427453553:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4611686018427388021:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, 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={1152921504606847070:0}, 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={4611686018427388021:0}, s={4611686018427388021:0}, tmp={4611686018427388021:0}, 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={0:0}, 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={1152921504606847070:0}, ldv_memset((void *)(& ldvarg2), 0, 8UL)={4611686018427388021:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={1152921504606847070:0}, 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={0:0}, 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={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={146:0}, 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={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={146:0}, 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={1152921504606847070:0}, 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={146:0}, ref_cnt=0, size=1248, tmp={146:0}, 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={0:0}, 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={1152921504606847070:0}, 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={0:0}, 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={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={146:0}, 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={1152921504606847070:0}, 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={146:0}, ref_cnt=0, size=1248, tmp={146:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1248, \result={146:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={146:0}, 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={1152921504606847070:0}, 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={146:0}, ref_cnt=0, size=1248, tmp={146:0}, 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={0:0}, 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_init_zalloc(1248UL)={146:0}, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={146:0}, 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={0:0}, 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={146:0}, ldv_func_arg1={100:0}, ldv_func_arg1={100:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={2097277:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={2097277:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, ref_cnt=0, size=2320, tmp={2097277:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={2097277:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, ref_cnt=0, size=2320, tmp={2097277:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2320, \result={2097277:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={2097277:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, ref_cnt=0, size=2320, tmp={2097277:0}, 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={0:0}, 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={146:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2320UL)={2097277:0}, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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=2147483648, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={11258999076814874:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={11258999076814874:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={11258999076814874:0}, ref_cnt=0, size=280, tmp={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={11258999076814874:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={11258999076814874:0}, ref_cnt=0, size=280, tmp={11258999076814874:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=280, \result={11258999076814874:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={11258999076814874:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={11258999076814874:0}, ref_cnt=0, size=280, tmp={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(280UL)={11258999076814874:0}, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, tmp___1={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={112:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={112:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={112:0}, ref_cnt=0, size=2704, tmp={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, calloc(1UL, size)={112:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={112:0}, ref_cnt=0, size=2704, tmp={112:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2704, \result={112:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, calloc(1UL, size)={112:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={112:0}, ref_cnt=0, size=2704, tmp={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2704UL)={112:0}, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, tmp___1={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, tmp___1={11258999076814874:0}, tmp___2={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=0, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={11258999076814874:0}, serial={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4611686018427387968:0}, ref_cnt=1, size=320, tmp={4611686018427387968:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4611686018427387968:0}, ref_cnt=1, size=320, tmp={4611686018427387968:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=320, \result={4611686018427387968:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4611686018427387968:0}, ref_cnt=1, size=320, tmp={4611686018427387968:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, ldv_malloc(size)={4611686018427387968:0}, 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={4611686018427387968:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4611686018427387968:0}, 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={0:0}, debug=0, id_table={99:0}, kmalloc(320UL, 208U)={4611686018427387968:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={11258999076814874:0}, serial={11258999076814874:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4611686018427387968:0}, ref_cnt=1, serial={11258999076814874:0}, serial={11258999076814874:0}, tmp={4611686018427387968:0}, 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={0:0}, actconfig={-4611686018421096323:16}, altsetting={-9223372036852678656:0}, debug=0, endpoint={0:0}, i=0, id_table={99:0}, interface={-4611686018421096323:274877906944}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={-9223372036854771712:-1163}, priv={4611686018427387968:0}, priv->device_type=8209, ref_cnt=1, serial={11258999076814874:0}, serial={11258999076814874:0}, tmp={4611686018427387968:0}, 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={0:0}, actconfig={-4611686018421096323:16}, altsetting={-9223372036852678656:0}, altsetting->desc.bNumEndpoints=0, debug=0, endpoint={0:0}, i=0, id_table={99:0}, interface={-4611686018421096323:274877906944}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={-9223372036854771712:-1163}, priv={4611686018427387968:0}, priv->device_type=8209, ref_cnt=1, serial={11258999076814874:0}, serial={11258999076814874:0}, tmp={4611686018427387968:0}, 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={0:0}, actconfig={-4611686018421096323:16}, altsetting={-9223372036852678656:0}, debug=0, endpoint={0:0}, i=0, id_table={99:0}, interface={-4611686018421096323:274877906944}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={-9223372036854771712:-1163}, priv={4611686018427387968:0}, priv->device_type=8209, ref_cnt=1, serial={11258999076814874:0}, serial={11258999076814874:0}, tmp={4611686018427387968:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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=2147483648, 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={0:0}, arg0={2097277:1064}, arg0={2097277:1064}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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(flags)=32976, \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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, ref_cnt=1, size=8, tmp={1152921779484753970:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, ref_cnt=1, size=8, tmp={1152921779484753970:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \result={1152921779484753970:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, ref_cnt=1, size=8, tmp={1152921779484753970:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=32976, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, ldv_malloc(size)={1152921779484753970:0}, 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=32976, 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)=32976, \old(size)=8, \result={1152921779484753970:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=32976, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, 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={0:0}, debug=0, flags=208, id_table={99:0}, kmalloc(size, flags | 32768U)={1152921779484753970:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, kzalloc((size_t )transfer_buffer_length, 208U)={1152921779484753970:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->write_urb={2097277:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->write_urb={2097277:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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)=8, \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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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___0=2155872256, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, ldv_malloc(size)={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, 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={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={0:0}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, 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={0:0}, debug=0, id_table={99:0}, kmalloc((size_t )write_urb_transfer_buffer_length, 208U)={0:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->write_urb={2097277:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={-9223372036854775808:18014398509481984}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->write_urb={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, dev={0:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, __create_pipe((port->serial)->dev, 0U)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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(arg1)=2147483776, \old(arg2)=null, \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={0:0}, arg0={0:0}, arg6={1152921779484753970:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=14, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] EXPR port->serial [L3788] EXPR (port->serial)->dev VAL [(port->serial)->dev={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, dev={0:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, __create_pipe((port->serial)->dev, 0U)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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(arg1)=2147483776, \old(arg2)=null, \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={0:0}, arg0={0:0}, arg6={1152921779484753970:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, port->serial={-4611686018421096323:0}, priv={0:0}, ref_cnt=1, result=14, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=16, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, priv->device_type=0, priv->device_type=0, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, priv->device_type=0, priv->device_type=0, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, priv->device_type=0, priv->device_type=0, priv->device_type=0, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={1152921779484753970:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={2097277:0}, port={2097277:0}, priv={0:0}, ref_cnt=1, result=16, tmp={0:0}, tmp___0={1152921779484753970:0}, tmp___1=0, tmp___2=0, transfer_buffer={1152921779484753970:0}, transfer_buffer_length=8, tty={112:0}, tty={112:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={4613947713845723217:0}, ldvarg1={4611686018427453553:0}, ldvarg2={4611686018427388021:0}, ldvarg3={4611686018427388020:0}, ldvarg4={2199023255636:0}, ldvarg5={4611686018427387904:0}, ldvarg6={4611686018460942417:0}, ldvarg7={36028799166447627:0}, ldvarg8={2097216:0}, ref_cnt=1, tmp={36028799166447627:0}, tmp___0={4611686018427387904:0}, tmp___1={2199023255636:0}, tmp___2={2097216:0}, 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={0:0}, data={-9223372036853727232:140737488355328}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:4507997674016768}, ref_cnt=1, status=0, urb={4611686018427387904:0}, urb={4611686018427387904:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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=2147483648, 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={0:0}, arg0={0:4507997674016776}, arg0={0:4507997674016776}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={1152921504606847070:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, ldv_func_arg1={0:4507997674016776}, ldv_func_arg1={0:4507997674016776}, 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={0:0}, data={-9223372036853727232:140737488355328}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, 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={0:4507997674016768}, ref_cnt=1, status=0, tty={0:0}, urb={4611686018427387904:0}, urb={4611686018427387904:0}, urb->actual_length=-2147483648, 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)=2147483648, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, a={0:0}, a={0:0}, chars={-9223372036853727232:140737488355328}, chars={-9223372036853727232:140737488355328}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, 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=2147483648, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, 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={0:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={2097277:0}, kobil_device_group1={0:0}, kobil_device_group2={11258999076814874:0}, kobil_device_group3={112:0}, kobil_driver={100:0}, kobil_driver_group1={146:0}, 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, 588 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 464.0s, OverallIterations: 23, TraceHistogramMax: 24, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 47.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 6295 SdHoareTripleChecker+Valid, 33.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6223 mSDsluCounter, 83660 SdHoareTripleChecker+Invalid, 31.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63086 mSDsCounter, 427 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1761 IncrementalHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 427 mSolverCounterUnsat, 20574 mSDtfsCounter, 1761 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6036 GetRequests, 5889 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 27.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2832occurred in iteration=22, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 4254 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 218.8s SatisfiabilityAnalysisTime, 47.8s InterpolantComputationTime, 5876 NumberOfCodeBlocks, 5602 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5978 ConstructedInterpolants, 0 QuantifiedInterpolants, 7344 SizeOfPredicates, 76 NumberOfNonLiveVariables, 34295 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 16501/16579 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 05:35:23,827 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-18 05:35:23,897 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample