./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 35987657 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-?-3598765 [2022-07-21 11:37:53,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:37:53,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:37:53,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:37:53,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:37:53,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:37:53,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:37:53,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:37:53,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:37:53,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:37:53,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:37:53,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:37:53,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:37:53,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:37:53,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:37:53,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:37:53,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:37:53,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:37:53,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:37:53,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:37:53,284 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:37:53,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:37:53,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:37:53,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:37:53,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:37:53,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:37:53,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:37:53,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:37:53,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:37:53,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:37:53,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:37:53,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:37:53,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:37:53,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:37:53,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:37:53,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:37:53,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:37:53,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:37:53,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:37:53,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:37:53,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:37:53,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:37:53,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:37:53,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:37:53,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:37:53,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:37:53,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:37:53,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:37:53,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:37:53,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:37:53,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:37:53,355 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:37:53,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:37:53,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:37:53,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:37:53,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:37:53,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:37:53,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:37:53,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:37:53,357 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:37:53,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:37:53,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:37:53,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:37:53,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:37:53,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:37:53,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:37:53,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:37:53,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:37:53,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:37:53,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:37:53,360 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:37:53,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:37:53,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:37:53,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-21 11:37:53,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:37:53,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:37:53,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:37:53,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:37:53,731 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:37:53,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:53,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bae1f6af/ecafcc3e4bdf4cc0acb9463dc2b2d25f/FLAG006d2b94c [2022-07-21 11:37:54,460 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:37:54,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:54,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bae1f6af/ecafcc3e4bdf4cc0acb9463dc2b2d25f/FLAG006d2b94c [2022-07-21 11:37:54,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bae1f6af/ecafcc3e4bdf4cc0acb9463dc2b2d25f [2022-07-21 11:37:54,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:37:54,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:37:54,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:37:54,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:37:54,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:37:54,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:54" (1/1) ... [2022-07-21 11:37:54,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdda3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:54, skipping insertion in model container [2022-07-21 11:37:54,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:54" (1/1) ... [2022-07-21 11:37:54,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:37:54,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:37:55,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-21 11:37:55,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:55,576 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:37:55,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-21 11:37:55,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:55,852 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:37:55,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55 WrapperNode [2022-07-21 11:37:55,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:37:55,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:37:55,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:37:55,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:37:55,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:55,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,011 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1938 [2022-07-21 11:37:56,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:37:56,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:37:56,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:37:56,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:37:56,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:37:56,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:37:56,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:37:56,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:37:56,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (1/1) ... [2022-07-21 11:37:56,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:37:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:37:56,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:37:56,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:37:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:37:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:37:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:37:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:37:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:37:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:37:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:37:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:37:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:37:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:37:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-21 11:37:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-21 11:37:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:37:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:37:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:37:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:37:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:37:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:37:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:37:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:37:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:37:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:37:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-21 11:37:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-21 11:37:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:37:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-21 11:37:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-21 11:37:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:37:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:37:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:37:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:37:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-21 11:37:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-21 11:37:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:37:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:37:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:37:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:37:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-21 11:37:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-21 11:37:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-21 11:37:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-21 11:37:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:37:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:37:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:37:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-21 11:37:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-21 11:37:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:37:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:37:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:37:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:37:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-21 11:37:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-21 11:37:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:37:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:37:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-21 11:37:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-21 11:37:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:37:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:37:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:37:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:37:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:37:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:37:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:37:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-21 11:37:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-21 11:37:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:37:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:37:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:37:56,665 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:37:56,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:37:56,909 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:38:00,024 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:38:00,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:38:00,039 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:38:00,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:00 BoogieIcfgContainer [2022-07-21 11:38:00,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:38:00,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:38:00,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:38:00,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:38:00,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:37:54" (1/3) ... [2022-07-21 11:38:00,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1634ca7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:00, skipping insertion in model container [2022-07-21 11:38:00,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:55" (2/3) ... [2022-07-21 11:38:00,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1634ca7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:00, skipping insertion in model container [2022-07-21 11:38:00,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:00" (3/3) ... [2022-07-21 11:38:00,050 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:38:00,061 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:38:00,062 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:38:00,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:38:00,135 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5f602da9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@546667a0 [2022-07-21 11:38:00,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:38:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 599 states, 458 states have (on average 1.425764192139738) internal successors, (653), 465 states have internal predecessors, (653), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-21 11:38:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 11:38:00,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:00,168 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:00,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1644840656, now seen corresponding path program 1 times [2022-07-21 11:38:00,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:00,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636694082] [2022-07-21 11:38:00,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:00,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:38:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-21 11:38:00,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:00,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636694082] [2022-07-21 11:38:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636694082] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:00,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:00,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:38:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842567295] [2022-07-21 11:38:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:00,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:38:00,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:00,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:38:00,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:38:00,941 INFO L87 Difference]: Start difference. First operand has 599 states, 458 states have (on average 1.425764192139738) internal successors, (653), 465 states have internal predecessors, (653), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:38:03,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:04,416 INFO L93 Difference]: Finished difference Result 1321 states and 2037 transitions. [2022-07-21 11:38:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:38:04,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2022-07-21 11:38:04,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:04,436 INFO L225 Difference]: With dead ends: 1321 [2022-07-21 11:38:04,437 INFO L226 Difference]: Without dead ends: 710 [2022-07-21 11:38:04,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:04,460 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 550 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 333 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:04,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 2213 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 11:38:04,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-07-21 11:38:04,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 583. [2022-07-21 11:38:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 449 states have (on average 1.3875278396436526) internal successors, (623), 450 states have internal predecessors, (623), 108 states have call successors, (108), 25 states have call predecessors, (108), 25 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-07-21 11:38:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 839 transitions. [2022-07-21 11:38:04,558 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 839 transitions. Word has length 128 [2022-07-21 11:38:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:04,558 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 839 transitions. [2022-07-21 11:38:04,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:38:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 839 transitions. [2022-07-21 11:38:04,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 11:38:04,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:04,569 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:04,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:38:04,569 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:04,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:04,570 INFO L85 PathProgramCache]: Analyzing trace with hash 674606452, now seen corresponding path program 1 times [2022-07-21 11:38:04,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:04,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10569132] [2022-07-21 11:38:04,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:04,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:38:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-21 11:38:04,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:04,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10569132] [2022-07-21 11:38:04,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10569132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:04,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:04,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:04,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121806374] [2022-07-21 11:38:04,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:04,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:04,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:04,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:04,956 INFO L87 Difference]: Start difference. First operand 583 states and 839 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:38:06,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:09,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:11,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:13,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:15,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:17,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:19,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:20,014 INFO L93 Difference]: Finished difference Result 1325 states and 1937 transitions. [2022-07-21 11:38:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:38:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2022-07-21 11:38:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:20,021 INFO L225 Difference]: With dead ends: 1325 [2022-07-21 11:38:20,021 INFO L226 Difference]: Without dead ends: 773 [2022-07-21 11:38:20,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:20,025 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 843 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 481 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:20,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 2154 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 928 Invalid, 5 Unknown, 0 Unchecked, 14.9s Time] [2022-07-21 11:38:20,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2022-07-21 11:38:20,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 644. [2022-07-21 11:38:20,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 500 states have (on average 1.382) internal successors, (691), 502 states have internal predecessors, (691), 113 states have call successors, (113), 30 states have call predecessors, (113), 30 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-07-21 11:38:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 917 transitions. [2022-07-21 11:38:20,081 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 917 transitions. Word has length 128 [2022-07-21 11:38:20,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:20,084 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 917 transitions. [2022-07-21 11:38:20,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:38:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 917 transitions. [2022-07-21 11:38:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 11:38:20,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:20,093 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:20,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:38:20,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:20,095 INFO L85 PathProgramCache]: Analyzing trace with hash 877783348, now seen corresponding path program 1 times [2022-07-21 11:38:20,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:20,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898470362] [2022-07-21 11:38:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 11:38:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-07-21 11:38:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:20,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898470362] [2022-07-21 11:38:20,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898470362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:20,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:20,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956354318] [2022-07-21 11:38:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:20,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:20,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:20,492 INFO L87 Difference]: Start difference. First operand 644 states and 917 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 11:38:23,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:24,460 INFO L93 Difference]: Finished difference Result 1766 states and 2568 transitions. [2022-07-21 11:38:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:38:24,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 196 [2022-07-21 11:38:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:24,471 INFO L225 Difference]: With dead ends: 1766 [2022-07-21 11:38:24,473 INFO L226 Difference]: Without dead ends: 1159 [2022-07-21 11:38:24,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:24,479 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 1582 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 822 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:24,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 2321 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1304 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 11:38:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-07-21 11:38:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 954. [2022-07-21 11:38:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 755 states have (on average 1.3562913907284768) internal successors, (1024), 759 states have internal predecessors, (1024), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2022-07-21 11:38:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1333 transitions. [2022-07-21 11:38:24,540 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1333 transitions. Word has length 196 [2022-07-21 11:38:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:24,542 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1333 transitions. [2022-07-21 11:38:24,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 11:38:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1333 transitions. [2022-07-21 11:38:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 11:38:24,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:24,546 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:24,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:38:24,546 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1263965729, now seen corresponding path program 1 times [2022-07-21 11:38:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:24,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580431001] [2022-07-21 11:38:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 11:38:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-21 11:38:24,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:24,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580431001] [2022-07-21 11:38:24,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580431001] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:24,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:24,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:24,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060400183] [2022-07-21 11:38:24,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:24,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:24,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:24,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:24,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:24,895 INFO L87 Difference]: Start difference. First operand 954 states and 1333 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 11:38:27,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:29,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:31,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:32,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:34,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:35,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:35,442 INFO L93 Difference]: Finished difference Result 2078 states and 2964 transitions. [2022-07-21 11:38:35,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:38:35,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 206 [2022-07-21 11:38:35,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:35,449 INFO L225 Difference]: With dead ends: 2078 [2022-07-21 11:38:35,449 INFO L226 Difference]: Without dead ends: 1161 [2022-07-21 11:38:35,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:38:35,452 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 747 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 477 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:35,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 2280 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 872 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-07-21 11:38:35,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-07-21 11:38:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 955. [2022-07-21 11:38:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 756 states have (on average 1.3558201058201058) internal successors, (1025), 760 states have internal predecessors, (1025), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2022-07-21 11:38:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1334 transitions. [2022-07-21 11:38:35,489 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1334 transitions. Word has length 206 [2022-07-21 11:38:35,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:35,490 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1334 transitions. [2022-07-21 11:38:35,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 11:38:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1334 transitions. [2022-07-21 11:38:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 11:38:35,492 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:35,493 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:35,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:38:35,493 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:35,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1321224031, now seen corresponding path program 1 times [2022-07-21 11:38:35,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:35,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463051597] [2022-07-21 11:38:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:35,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 11:38:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-21 11:38:35,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:35,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463051597] [2022-07-21 11:38:35,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463051597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:35,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:35,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:35,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714238811] [2022-07-21 11:38:35,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:35,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:35,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:35,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:35,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:35,904 INFO L87 Difference]: Start difference. First operand 955 states and 1334 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-21 11:38:38,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:40,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:40,465 INFO L93 Difference]: Finished difference Result 2255 states and 3250 transitions. [2022-07-21 11:38:40,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:38:40,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 206 [2022-07-21 11:38:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:40,476 INFO L225 Difference]: With dead ends: 2255 [2022-07-21 11:38:40,476 INFO L226 Difference]: Without dead ends: 2253 [2022-07-21 11:38:40,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:40,478 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 1917 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 925 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:40,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 2782 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [925 Valid, 1296 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 11:38:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2022-07-21 11:38:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1803. [2022-07-21 11:38:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1431 states have (on average 1.36617749825297) internal successors, (1955), 1439 states have internal predecessors, (1955), 274 states have call successors, (274), 94 states have call predecessors, (274), 97 states have return successors, (293), 275 states have call predecessors, (293), 274 states have call successors, (293) [2022-07-21 11:38:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2522 transitions. [2022-07-21 11:38:40,569 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2522 transitions. Word has length 206 [2022-07-21 11:38:40,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:40,570 INFO L495 AbstractCegarLoop]: Abstraction has 1803 states and 2522 transitions. [2022-07-21 11:38:40,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-21 11:38:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2522 transitions. [2022-07-21 11:38:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-21 11:38:40,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:40,574 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:40,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:38:40,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:40,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash -225403342, now seen corresponding path program 1 times [2022-07-21 11:38:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:40,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786646188] [2022-07-21 11:38:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:38:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-21 11:38:40,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:40,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786646188] [2022-07-21 11:38:40,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786646188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:40,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:40,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:40,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799019392] [2022-07-21 11:38:40,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:40,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:40,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:40,851 INFO L87 Difference]: Start difference. First operand 1803 states and 2522 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:38:43,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:45,184 INFO L93 Difference]: Finished difference Result 4787 states and 6837 transitions. [2022-07-21 11:38:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:38:45,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 215 [2022-07-21 11:38:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:45,199 INFO L225 Difference]: With dead ends: 4787 [2022-07-21 11:38:45,199 INFO L226 Difference]: Without dead ends: 3021 [2022-07-21 11:38:45,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:45,204 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 953 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 531 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 2370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:45,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 3461 Invalid, 2370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1838 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 11:38:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-21 11:38:45,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2333. [2022-07-21 11:38:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 1865 states have (on average 1.3554959785522789) internal successors, (2528), 1875 states have internal predecessors, (2528), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2022-07-21 11:38:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3214 transitions. [2022-07-21 11:38:45,328 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3214 transitions. Word has length 215 [2022-07-21 11:38:45,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:45,329 INFO L495 AbstractCegarLoop]: Abstraction has 2333 states and 3214 transitions. [2022-07-21 11:38:45,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:38:45,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3214 transitions. [2022-07-21 11:38:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 11:38:45,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:45,333 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:45,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:38:45,334 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:45,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash -562990724, now seen corresponding path program 1 times [2022-07-21 11:38:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:45,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588015280] [2022-07-21 11:38:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:38:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 11:38:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-21 11:38:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:45,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588015280] [2022-07-21 11:38:45,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588015280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:45,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:45,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:38:45,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831046129] [2022-07-21 11:38:45,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:45,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:38:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:45,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:38:45,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:38:45,616 INFO L87 Difference]: Start difference. First operand 2333 states and 3214 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:38:48,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:50,030 INFO L93 Difference]: Finished difference Result 7027 states and 9833 transitions. [2022-07-21 11:38:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:38:50,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 236 [2022-07-21 11:38:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:50,051 INFO L225 Difference]: With dead ends: 7027 [2022-07-21 11:38:50,051 INFO L226 Difference]: Without dead ends: 4731 [2022-07-21 11:38:50,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:38:50,057 INFO L413 NwaCegarLoop]: 1230 mSDtfsCounter, 1492 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 775 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:50,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 3805 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 11:38:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2022-07-21 11:38:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 2337. [2022-07-21 11:38:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2337 states, 1869 states have (on average 1.3547351524879614) internal successors, (2532), 1879 states have internal predecessors, (2532), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2022-07-21 11:38:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 3218 transitions. [2022-07-21 11:38:50,223 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 3218 transitions. Word has length 236 [2022-07-21 11:38:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:50,224 INFO L495 AbstractCegarLoop]: Abstraction has 2337 states and 3218 transitions. [2022-07-21 11:38:50,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:38:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 3218 transitions. [2022-07-21 11:38:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-21 11:38:50,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:50,229 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:50,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:38:50,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:50,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash 621597278, now seen corresponding path program 1 times [2022-07-21 11:38:50,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:50,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064323979] [2022-07-21 11:38:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:50,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:38:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:38:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-21 11:38:50,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:50,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064323979] [2022-07-21 11:38:50,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064323979] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:50,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:50,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784710321] [2022-07-21 11:38:50,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:50,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:50,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:50,502 INFO L87 Difference]: Start difference. First operand 2337 states and 3218 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:38:53,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:55,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:55,070 INFO L93 Difference]: Finished difference Result 6111 states and 8599 transitions. [2022-07-21 11:38:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:38:55,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 242 [2022-07-21 11:38:55,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:55,091 INFO L225 Difference]: With dead ends: 6111 [2022-07-21 11:38:55,091 INFO L226 Difference]: Without dead ends: 3811 [2022-07-21 11:38:55,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:55,097 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 878 mSDsluCounter, 2405 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 485 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 3602 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:55,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 3602 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 1895 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 11:38:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2022-07-21 11:38:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 2885. [2022-07-21 11:38:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2315 states have (on average 1.3464362850971923) internal successors, (3117), 2327 states have internal predecessors, (3117), 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) [2022-07-21 11:38:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 3921 transitions. [2022-07-21 11:38:55,263 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 3921 transitions. Word has length 242 [2022-07-21 11:38:55,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:55,264 INFO L495 AbstractCegarLoop]: Abstraction has 2885 states and 3921 transitions. [2022-07-21 11:38:55,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:38:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3921 transitions. [2022-07-21 11:38:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-21 11:38:55,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:55,270 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:55,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 11:38:55,270 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:55,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:55,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2067512813, now seen corresponding path program 1 times [2022-07-21 11:38:55,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:55,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235295194] [2022-07-21 11:38:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:55,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:38:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:38:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:38:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 11:38:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-21 11:38:55,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:55,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235295194] [2022-07-21 11:38:55,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235295194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:55,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:55,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:38:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894807352] [2022-07-21 11:38:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:55,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:38:55,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:55,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:38:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:38:55,682 INFO L87 Difference]: Start difference. First operand 2885 states and 3921 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:38:58,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:59,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:59,179 INFO L93 Difference]: Finished difference Result 6657 states and 9257 transitions. [2022-07-21 11:38:59,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:38:59,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 285 [2022-07-21 11:38:59,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:59,196 INFO L225 Difference]: With dead ends: 6657 [2022-07-21 11:38:59,196 INFO L226 Difference]: Without dead ends: 3809 [2022-07-21 11:38:59,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:38:59,231 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 1120 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 456 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:59,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1923 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 836 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 11:38:59,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2022-07-21 11:38:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 2842. [2022-07-21 11:38:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2278 states have (on average 1.3059701492537314) internal successors, (2975), 2290 states have internal predecessors, (2975), 390 states have call successors, (390), 172 states have call predecessors, (390), 173 states have return successors, (398), 389 states have call predecessors, (398), 390 states have call successors, (398) [2022-07-21 11:38:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3763 transitions. [2022-07-21 11:38:59,364 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3763 transitions. Word has length 285 [2022-07-21 11:38:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:59,364 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3763 transitions. [2022-07-21 11:38:59,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:38:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3763 transitions. [2022-07-21 11:38:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-21 11:38:59,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:59,370 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:59,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:38:59,370 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:59,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:59,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1247060879, now seen corresponding path program 1 times [2022-07-21 11:38:59,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:59,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030935988] [2022-07-21 11:38:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:38:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:38:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:38:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:38:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:38:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:38:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:38:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:38:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:38:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:38:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:38:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:38:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:38:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:38:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:38:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:38:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 11:38:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-21 11:38:59,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:59,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030935988] [2022-07-21 11:38:59,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030935988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:59,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:59,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:38:59,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477844239] [2022-07-21 11:38:59,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:59,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:38:59,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:59,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:38:59,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:38:59,708 INFO L87 Difference]: Start difference. First operand 2842 states and 3763 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:39:02,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:04,288 INFO L93 Difference]: Finished difference Result 9272 states and 12512 transitions. [2022-07-21 11:39:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:39:04,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 285 [2022-07-21 11:39:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:04,312 INFO L225 Difference]: With dead ends: 9272 [2022-07-21 11:39:04,313 INFO L226 Difference]: Without dead ends: 6467 [2022-07-21 11:39:04,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:39:04,320 INFO L413 NwaCegarLoop]: 1372 mSDtfsCounter, 1292 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 632 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 4761 SdHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:04,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 4761 Invalid, 2876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 2243 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 11:39:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6467 states. [2022-07-21 11:39:04,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6467 to 2846. [2022-07-21 11:39:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2282 states have (on average 1.3054338299737074) internal successors, (2979), 2294 states have internal predecessors, (2979), 390 states have call successors, (390), 172 states have call predecessors, (390), 173 states have return successors, (398), 389 states have call predecessors, (398), 390 states have call successors, (398) [2022-07-21 11:39:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3767 transitions. [2022-07-21 11:39:04,511 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3767 transitions. Word has length 285 [2022-07-21 11:39:04,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:04,512 INFO L495 AbstractCegarLoop]: Abstraction has 2846 states and 3767 transitions. [2022-07-21 11:39:04,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:39:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3767 transitions. [2022-07-21 11:39:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-21 11:39:04,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:04,519 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:04,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 11:39:04,519 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:04,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1945847223, now seen corresponding path program 1 times [2022-07-21 11:39:04,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:04,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953247802] [2022-07-21 11:39:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:04,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:39:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:39:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:39:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:39:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:39:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:39:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 11:39:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 11:39:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 11:39:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 11:39:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 11:39:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 11:39:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:39:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-21 11:39:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:04,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953247802] [2022-07-21 11:39:04,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953247802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:04,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:04,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:39:04,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133619463] [2022-07-21 11:39:04,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:04,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:39:04,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:04,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:39:04,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:39:04,870 INFO L87 Difference]: Start difference. First operand 2846 states and 3767 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:07,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:08,331 INFO L93 Difference]: Finished difference Result 6624 states and 8934 transitions. [2022-07-21 11:39:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:08,331 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-21 11:39:08,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:08,343 INFO L225 Difference]: With dead ends: 6624 [2022-07-21 11:39:08,344 INFO L226 Difference]: Without dead ends: 3815 [2022-07-21 11:39:08,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:08,350 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 746 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 558 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:08,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 2538 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 974 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 11:39:08,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-07-21 11:39:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 2848. [2022-07-21 11:39:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2848 states, 2284 states have (on average 1.3051663747810858) internal successors, (2981), 2296 states have internal predecessors, (2981), 390 states have call successors, (390), 172 states have call predecessors, (390), 173 states have return successors, (398), 389 states have call predecessors, (398), 390 states have call successors, (398) [2022-07-21 11:39:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 3769 transitions. [2022-07-21 11:39:08,532 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 3769 transitions. Word has length 338 [2022-07-21 11:39:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 2848 states and 3769 transitions. [2022-07-21 11:39:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3769 transitions. [2022-07-21 11:39:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-21 11:39:08,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:08,539 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:08,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 11:39:08,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1689588551, now seen corresponding path program 1 times [2022-07-21 11:39:08,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:08,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384196429] [2022-07-21 11:39:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:08,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:39:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:39:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:39:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:39:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:39:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:39:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 11:39:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 11:39:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 11:39:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 11:39:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 11:39:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 11:39:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:39:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-21 11:39:08,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:08,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384196429] [2022-07-21 11:39:08,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384196429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:08,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:08,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:39:08,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253258387] [2022-07-21 11:39:08,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:08,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:39:08,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:08,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:39:08,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:39:08,874 INFO L87 Difference]: Start difference. First operand 2848 states and 3769 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:11,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:12,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:12,096 INFO L93 Difference]: Finished difference Result 6628 states and 8938 transitions. [2022-07-21 11:39:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:12,097 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-21 11:39:12,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:12,116 INFO L225 Difference]: With dead ends: 6628 [2022-07-21 11:39:12,116 INFO L226 Difference]: Without dead ends: 3817 [2022-07-21 11:39:12,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:12,122 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 718 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 474 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:12,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 2638 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1074 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 11:39:12,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2022-07-21 11:39:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 2850. [2022-07-21 11:39:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2286 states have (on average 1.3048993875765529) internal successors, (2983), 2298 states have internal predecessors, (2983), 390 states have call successors, (390), 172 states have call predecessors, (390), 173 states have return successors, (398), 389 states have call predecessors, (398), 390 states have call successors, (398) [2022-07-21 11:39:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3771 transitions. [2022-07-21 11:39:12,307 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3771 transitions. Word has length 338 [2022-07-21 11:39:12,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:12,308 INFO L495 AbstractCegarLoop]: Abstraction has 2850 states and 3771 transitions. [2022-07-21 11:39:12,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3771 transitions. [2022-07-21 11:39:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-21 11:39:12,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:12,315 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:12,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 11:39:12,316 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:12,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:12,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1414828937, now seen corresponding path program 1 times [2022-07-21 11:39:12,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:12,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887572701] [2022-07-21 11:39:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:39:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:39:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:39:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:39:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:39:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:39:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 11:39:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 11:39:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 11:39:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 11:39:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 11:39:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 11:39:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:39:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-21 11:39:12,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:12,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887572701] [2022-07-21 11:39:12,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887572701] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:12,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:12,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:39:12,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772230358] [2022-07-21 11:39:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:12,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:39:12,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:12,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:39:12,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:12,687 INFO L87 Difference]: Start difference. First operand 2850 states and 3771 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:15,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:16,132 INFO L93 Difference]: Finished difference Result 6636 states and 8946 transitions. [2022-07-21 11:39:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:39:16,132 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-21 11:39:16,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:16,174 INFO L225 Difference]: With dead ends: 6636 [2022-07-21 11:39:16,174 INFO L226 Difference]: Without dead ends: 3823 [2022-07-21 11:39:16,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:39:16,179 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 998 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 740 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:16,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 2715 Invalid, 1852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [740 Valid, 1111 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 11:39:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2022-07-21 11:39:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 2854. [2022-07-21 11:39:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2290 states have (on average 1.3043668122270742) internal successors, (2987), 2302 states have internal predecessors, (2987), 390 states have call successors, (390), 172 states have call predecessors, (390), 173 states have return successors, (398), 389 states have call predecessors, (398), 390 states have call successors, (398) [2022-07-21 11:39:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3775 transitions. [2022-07-21 11:39:16,320 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3775 transitions. Word has length 338 [2022-07-21 11:39:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:16,321 INFO L495 AbstractCegarLoop]: Abstraction has 2854 states and 3775 transitions. [2022-07-21 11:39:16,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 11:39:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3775 transitions. [2022-07-21 11:39:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-21 11:39:16,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:16,326 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:16,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 11:39:16,326 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:16,327 INFO L85 PathProgramCache]: Analyzing trace with hash 636155061, now seen corresponding path program 1 times [2022-07-21 11:39:16,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:16,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340496993] [2022-07-21 11:39:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 11:39:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:39:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:39:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 11:39:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:39:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 11:39:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 11:39:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 11:39:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 11:39:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 11:39:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 11:39:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 11:39:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:39:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2022-07-21 11:39:16,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:16,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340496993] [2022-07-21 11:39:16,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340496993] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:16,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312515255] [2022-07-21 11:39:16,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:16,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:16,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:16,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:39:16,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:39:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2901 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 11:39:17,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-07-21 11:39:17,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:39:17,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312515255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:17,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:39:17,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-21 11:39:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821021532] [2022-07-21 11:39:17,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:17,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:39:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:17,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:39:17,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:39:17,490 INFO L87 Difference]: Start difference. First operand 2854 states and 3775 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 11:39:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:17,880 INFO L93 Difference]: Finished difference Result 8480 states and 11201 transitions. [2022-07-21 11:39:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:39:17,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 338 [2022-07-21 11:39:17,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:17,898 INFO L225 Difference]: With dead ends: 8480 [2022-07-21 11:39:17,899 INFO L226 Difference]: Without dead ends: 5533 [2022-07-21 11:39:17,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:39:17,908 INFO L413 NwaCegarLoop]: 1556 mSDtfsCounter, 754 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:17,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 5456 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:39:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2022-07-21 11:39:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5429. [2022-07-21 11:39:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5429 states, 4370 states have (on average 1.3041189931350115) internal successors, (5699), 4383 states have internal predecessors, (5699), 737 states have call successors, (737), 319 states have call predecessors, (737), 321 states have return successors, (753), 726 states have call predecessors, (753), 737 states have call successors, (753) [2022-07-21 11:39:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 7189 transitions. [2022-07-21 11:39:18,185 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 7189 transitions. Word has length 338 [2022-07-21 11:39:18,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:18,185 INFO L495 AbstractCegarLoop]: Abstraction has 5429 states and 7189 transitions. [2022-07-21 11:39:18,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 11:39:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 7189 transitions. [2022-07-21 11:39:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 11:39:18,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:18,193 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:18,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:18,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 11:39:18,430 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:18,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash -948161205, now seen corresponding path program 1 times [2022-07-21 11:39:18,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:18,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198168042] [2022-07-21 11:39:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:18,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:39:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 11:39:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:39:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:39:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 11:39:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 11:39:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 11:39:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 11:39:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 11:39:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 11:39:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 11:39:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 11:39:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 11:39:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 11:39:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 11:39:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-07-21 11:39:18,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:18,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198168042] [2022-07-21 11:39:18,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198168042] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:18,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179842567] [2022-07-21 11:39:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:18,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:18,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:18,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:39:18,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:39:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-21 11:39:19,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-21 11:39:19,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:39:19,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179842567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:19,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:39:19,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2022-07-21 11:39:19,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894177165] [2022-07-21 11:39:19,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:19,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:39:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:19,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:39:19,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:39:19,692 INFO L87 Difference]: Start difference. First operand 5429 states and 7189 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 11:39:20,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:20,092 INFO L93 Difference]: Finished difference Result 11741 states and 15610 transitions. [2022-07-21 11:39:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:39:20,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 358 [2022-07-21 11:39:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:20,110 INFO L225 Difference]: With dead ends: 11741 [2022-07-21 11:39:20,110 INFO L226 Difference]: Without dead ends: 6349 [2022-07-21 11:39:20,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:39:20,123 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 158 mSDsluCounter, 5716 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6700 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:20,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6700 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:39:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6349 states. [2022-07-21 11:39:20,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6349 to 5461. [2022-07-21 11:39:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 4394 states have (on average 1.3024578971324534) internal successors, (5723), 4407 states have internal predecessors, (5723), 737 states have call successors, (737), 319 states have call predecessors, (737), 329 states have return successors, (773), 734 states have call predecessors, (773), 737 states have call successors, (773) [2022-07-21 11:39:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 7233 transitions. [2022-07-21 11:39:20,449 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 7233 transitions. Word has length 358 [2022-07-21 11:39:20,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:20,449 INFO L495 AbstractCegarLoop]: Abstraction has 5461 states and 7233 transitions. [2022-07-21 11:39:20,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 11:39:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 7233 transitions. [2022-07-21 11:39:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-21 11:39:20,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:20,458 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:20,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-21 11:39:20,672 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:20,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash 503461736, now seen corresponding path program 1 times [2022-07-21 11:39:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:20,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116334718] [2022-07-21 11:39:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:39:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:39:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 11:39:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:39:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 11:39:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:39:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:39:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 11:39:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 11:39:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 11:39:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 11:39:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 11:39:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 11:39:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 11:39:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 11:39:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 11:39:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-07-21 11:39:21,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:21,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116334718] [2022-07-21 11:39:21,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116334718] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:21,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179519804] [2022-07-21 11:39:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:21,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:21,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:21,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:39:21,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:39:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 11:39:21,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-07-21 11:39:21,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:39:21,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179519804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:21,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:39:21,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-07-21 11:39:21,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404631380] [2022-07-21 11:39:21,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:21,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:39:21,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:39:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:39:21,930 INFO L87 Difference]: Start difference. First operand 5461 states and 7233 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 11:39:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:22,229 INFO L93 Difference]: Finished difference Result 10903 states and 14444 transitions. [2022-07-21 11:39:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:39:22,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 364 [2022-07-21 11:39:22,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:22,245 INFO L225 Difference]: With dead ends: 10903 [2022-07-21 11:39:22,245 INFO L226 Difference]: Without dead ends: 5462 [2022-07-21 11:39:22,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:39:22,258 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 3 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:22,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2395 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:39:22,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2022-07-21 11:39:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 5462. [2022-07-21 11:39:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5462 states, 4395 states have (on average 1.3023890784982934) internal successors, (5724), 4408 states have internal predecessors, (5724), 737 states have call successors, (737), 319 states have call predecessors, (737), 329 states have return successors, (773), 734 states have call predecessors, (773), 737 states have call successors, (773) [2022-07-21 11:39:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7234 transitions. [2022-07-21 11:39:22,570 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7234 transitions. Word has length 364 [2022-07-21 11:39:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:22,571 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7234 transitions. [2022-07-21 11:39:22,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 11:39:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7234 transitions. [2022-07-21 11:39:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-21 11:39:22,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:22,578 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:22,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:22,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:22,780 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:22,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1576084639, now seen corresponding path program 1 times [2022-07-21 11:39:22,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:22,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59421048] [2022-07-21 11:39:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:22,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:39:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 11:39:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 11:39:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:39:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:39:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 11:39:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:39:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:39:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 11:39:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 11:39:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:39:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 11:39:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 11:39:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 11:39:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:39:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 11:39:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 11:39:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2022-07-21 11:39:23,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:23,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59421048] [2022-07-21 11:39:23,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59421048] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:23,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4678857] [2022-07-21 11:39:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:23,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:23,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:23,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:39:23,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 11:39:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 3157 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 11:39:23,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 280 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-07-21 11:39:24,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:39:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-07-21 11:39:24,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4678857] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:39:24,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:39:24,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2022-07-21 11:39:24,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103570881] [2022-07-21 11:39:24,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:39:24,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-21 11:39:24,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:24,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-21 11:39:24,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:39:24,282 INFO L87 Difference]: Start difference. First operand 5462 states and 7234 transitions. Second operand has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:39:26,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:28,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:30,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:32,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:34,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:36,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:38,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:40,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:42,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:44,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:46,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:49,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:51,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:53,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:56,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:57,559 INFO L93 Difference]: Finished difference Result 12836 states and 17329 transitions. [2022-07-21 11:39:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 11:39:57,560 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 369 [2022-07-21 11:39:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:57,583 INFO L225 Difference]: With dead ends: 12836 [2022-07-21 11:39:57,584 INFO L226 Difference]: Without dead ends: 7390 [2022-07-21 11:39:57,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2022-07-21 11:39:57,595 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 656 mSDsluCounter, 3853 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 487 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 2842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:57,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 4641 Invalid, 2842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 2342 Invalid, 13 Unknown, 0 Unchecked, 32.6s Time] [2022-07-21 11:39:57,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2022-07-21 11:39:57,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 5446. [2022-07-21 11:39:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 4378 states have (on average 1.3012791228871632) internal successors, (5697), 4391 states have internal predecessors, (5697), 736 states have call successors, (736), 320 states have call predecessors, (736), 331 states have return successors, (773), 734 states have call predecessors, (773), 736 states have call successors, (773) [2022-07-21 11:39:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7206 transitions. [2022-07-21 11:39:57,895 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7206 transitions. Word has length 369 [2022-07-21 11:39:57,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:57,896 INFO L495 AbstractCegarLoop]: Abstraction has 5446 states and 7206 transitions. [2022-07-21 11:39:57,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:39:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7206 transitions. [2022-07-21 11:39:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-21 11:39:57,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:57,904 INFO L195 NwaCegarLoop]: trace histogram [18, 10, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:57,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:58,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-21 11:39:58,136 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1765176347, now seen corresponding path program 2 times [2022-07-21 11:39:58,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:58,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916832519] [2022-07-21 11:39:58,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:58,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:39:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:39:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:39:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:39:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:39:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:39:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:39:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:39:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 11:39:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:39:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 11:39:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 11:39:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 11:39:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 11:39:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 11:39:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 11:39:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 11:39:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 11:39:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 11:39:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 11:39:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-07-21 11:39:58,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:58,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916832519] [2022-07-21 11:39:58,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916832519] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:58,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424492619] [2022-07-21 11:39:58,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:39:58,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:58,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:58,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:39:58,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 11:40:02,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:40:02,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:40:02,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 3378 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-21 11:40:02,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-07-21 11:40:02,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:02,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424492619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:02,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:40:02,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2022-07-21 11:40:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623032998] [2022-07-21 11:40:02,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:02,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:40:02,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:02,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:40:02,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-21 11:40:02,205 INFO L87 Difference]: Start difference. First operand 5446 states and 7206 transitions. Second operand has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 11:40:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:02,525 INFO L93 Difference]: Finished difference Result 10911 states and 14450 transitions. [2022-07-21 11:40:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:40:02,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 388 [2022-07-21 11:40:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:02,539 INFO L225 Difference]: With dead ends: 10911 [2022-07-21 11:40:02,539 INFO L226 Difference]: Without dead ends: 5468 [2022-07-21 11:40:02,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2022-07-21 11:40:02,549 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 2 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4770 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:02,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4770 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:40:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5468 states. [2022-07-21 11:40:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5468 to 5444. [2022-07-21 11:40:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 4377 states have (on average 1.3011194882339503) internal successors, (5695), 4389 states have internal predecessors, (5695), 736 states have call successors, (736), 320 states have call predecessors, (736), 330 states have return successors, (772), 734 states have call predecessors, (772), 736 states have call successors, (772) [2022-07-21 11:40:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 7203 transitions. [2022-07-21 11:40:02,866 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 7203 transitions. Word has length 388 [2022-07-21 11:40:02,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:02,867 INFO L495 AbstractCegarLoop]: Abstraction has 5444 states and 7203 transitions. [2022-07-21 11:40:02,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 11:40:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 7203 transitions. [2022-07-21 11:40:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-07-21 11:40:02,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:02,875 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 11, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:02,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:03,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-21 11:40:03,100 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:03,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 42825474, now seen corresponding path program 3 times [2022-07-21 11:40:03,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:03,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962619797] [2022-07-21 11:40:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:03,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:40:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 11:40:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:40:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 11:40:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:40:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:40:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 11:40:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:40:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 11:40:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 11:40:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 11:40:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 11:40:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:40:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 11:40:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 11:40:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 11:40:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 11:40:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 11:40:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 11:40:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 11:40:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:40:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 11:40:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 11:40:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-07-21 11:40:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:03,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962619797] [2022-07-21 11:40:03,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962619797] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:40:03,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47388015] [2022-07-21 11:40:03,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 11:40:03,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:03,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:40:03,669 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:40:03,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 11:40:04,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-21 11:40:04,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:40:04,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-21 11:40:04,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-21 11:40:05,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:05,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47388015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:05,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:40:05,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 15 [2022-07-21 11:40:05,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518353858] [2022-07-21 11:40:05,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:05,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:40:05,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:05,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:40:05,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:40:05,015 INFO L87 Difference]: Start difference. First operand 5444 states and 7203 transitions. Second operand has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 11:40:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:05,347 INFO L93 Difference]: Finished difference Result 12316 states and 16404 transitions. [2022-07-21 11:40:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:40:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) Word has length 394 [2022-07-21 11:40:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:05,369 INFO L225 Difference]: With dead ends: 12316 [2022-07-21 11:40:05,369 INFO L226 Difference]: Without dead ends: 6934 [2022-07-21 11:40:05,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:40:05,381 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 221 mSDsluCounter, 8318 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 9392 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:05,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 9392 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:40:05,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6934 states. [2022-07-21 11:40:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6934 to 5488. [2022-07-21 11:40:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 4409 states have (on average 1.2989339986391473) internal successors, (5727), 4421 states have internal predecessors, (5727), 736 states have call successors, (736), 320 states have call predecessors, (736), 342 states have return successors, (808), 746 states have call predecessors, (808), 736 states have call successors, (808) [2022-07-21 11:40:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7271 transitions. [2022-07-21 11:40:05,752 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7271 transitions. Word has length 394 [2022-07-21 11:40:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:05,753 INFO L495 AbstractCegarLoop]: Abstraction has 5488 states and 7271 transitions. [2022-07-21 11:40:05,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 11:40:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7271 transitions. [2022-07-21 11:40:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-21 11:40:05,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:05,761 INFO L195 NwaCegarLoop]: trace histogram [18, 13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:05,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:05,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:05,983 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:05,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:05,983 INFO L85 PathProgramCache]: Analyzing trace with hash 930584124, now seen corresponding path program 4 times [2022-07-21 11:40:05,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:05,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069203535] [2022-07-21 11:40:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:05,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:40:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 11:40:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:40:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 11:40:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:40:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:40:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 11:40:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:40:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 11:40:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 11:40:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 11:40:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 11:40:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:40:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 11:40:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 11:40:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 11:40:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:40:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 11:40:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 11:40:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 11:40:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 11:40:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 11:40:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 11:40:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-07-21 11:40:06,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:06,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069203535] [2022-07-21 11:40:06,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069203535] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:40:06,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013314321] [2022-07-21 11:40:06,694 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-21 11:40:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:40:06,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:40:06,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 11:40:08,259 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-21 11:40:08,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:40:08,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 3456 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-21 11:40:08,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 403 proven. 112 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-07-21 11:40:08,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:40:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-07-21 11:40:08,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013314321] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:40:08,921 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:40:08,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 6] total 22 [2022-07-21 11:40:08,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217762230] [2022-07-21 11:40:08,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:40:08,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-21 11:40:08,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:08,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-21 11:40:08,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-07-21 11:40:08,924 INFO L87 Difference]: Start difference. First operand 5488 states and 7271 transitions. Second operand has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-21 11:40:12,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:13,646 INFO L93 Difference]: Finished difference Result 12819 states and 17295 transitions. [2022-07-21 11:40:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-21 11:40:13,647 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 406 [2022-07-21 11:40:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:13,663 INFO L225 Difference]: With dead ends: 12819 [2022-07-21 11:40:13,663 INFO L226 Difference]: Without dead ends: 7356 [2022-07-21 11:40:13,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 896 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=1211, Unknown=0, NotChecked=0, Total=1560 [2022-07-21 11:40:13,672 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 845 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 648 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 3576 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:13,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 3576 Invalid, 2343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1694 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 11:40:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2022-07-21 11:40:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 5494. [2022-07-21 11:40:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5494 states, 4415 states have (on average 1.2978482446206117) internal successors, (5730), 4427 states have internal predecessors, (5730), 736 states have call successors, (736), 320 states have call predecessors, (736), 342 states have return successors, (808), 746 states have call predecessors, (808), 736 states have call successors, (808) [2022-07-21 11:40:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5494 states to 5494 states and 7274 transitions. [2022-07-21 11:40:13,990 INFO L78 Accepts]: Start accepts. Automaton has 5494 states and 7274 transitions. Word has length 406 [2022-07-21 11:40:13,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:13,991 INFO L495 AbstractCegarLoop]: Abstraction has 5494 states and 7274 transitions. [2022-07-21 11:40:13,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-21 11:40:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5494 states and 7274 transitions. [2022-07-21 11:40:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-21 11:40:13,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:13,999 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:40:14,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:14,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:14,216 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:14,216 INFO L85 PathProgramCache]: Analyzing trace with hash 79681727, now seen corresponding path program 5 times [2022-07-21 11:40:14,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:14,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309530029] [2022-07-21 11:40:14,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:40:16,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:40:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:40:18,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 11:40:18,533 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:40:18,534 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:40:18,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 11:40:18,538 INFO L356 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:18,542 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:40:18,604 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,606 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,606 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,606 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,617 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,617 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,617 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,618 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,618 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,618 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,618 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,618 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,619 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,619 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,619 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,619 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,620 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,627 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,627 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,627 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,627 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,627 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,628 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,629 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,629 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,629 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,629 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,629 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,630 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,630 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,630 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,630 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-21 11:40:18,630 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-21 11:40:18,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:40:18 BoogieIcfgContainer [2022-07-21 11:40:18,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:40:18,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:40:18,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:40:18,933 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:40:18,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:00" (3/4) ... [2022-07-21 11:40:18,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:40:18,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:40:18,937 INFO L158 Benchmark]: Toolchain (without parser) took 144312.16ms. Allocated memory was 62.9MB in the beginning and 906.0MB in the end (delta: 843.1MB). Free memory was 40.8MB in the beginning and 390.4MB in the end (delta: -349.5MB). Peak memory consumption was 493.1MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,937 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:40:18,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.67ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.99ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 41.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,940 INFO L158 Benchmark]: Boogie Preprocessor took 153.05ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 41.2MB in the beginning and 75.8MB in the end (delta: -34.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,940 INFO L158 Benchmark]: RCFGBuilder took 3876.11ms. Allocated memory was 123.7MB in the beginning and 251.7MB in the end (delta: 127.9MB). Free memory was 75.8MB in the beginning and 144.9MB in the end (delta: -69.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,940 INFO L158 Benchmark]: TraceAbstraction took 138887.67ms. Allocated memory was 251.7MB in the beginning and 906.0MB in the end (delta: 654.3MB). Free memory was 143.8MB in the beginning and 390.4MB in the end (delta: -246.6MB). Peak memory consumption was 562.9MB. Max. memory is 16.1GB. [2022-07-21 11:40:18,941 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 906.0MB. Free memory is still 390.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:40:18,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.67ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.99ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 41.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.05ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 41.2MB in the beginning and 75.8MB in the end (delta: -34.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3876.11ms. Allocated memory was 123.7MB in the beginning and 251.7MB in the end (delta: 127.9MB). Free memory was 75.8MB in the beginning and 144.9MB in the end (delta: -69.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * TraceAbstraction took 138887.67ms. Allocated memory was 251.7MB in the beginning and 906.0MB in the end (delta: 654.3MB). Free memory was 143.8MB in the beginning and 390.4MB in the end (delta: -246.6MB). Peak memory consumption was 562.9MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 906.0MB. Free memory is still 390.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg6={110680464442257309714:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, size=1, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={18446744073709551617:0}, ref_cnt=0, size=1, tmp={18446744073709551617:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={18446744073709551617:0}, ref_cnt=0, size=1, tmp={18446744073709551617:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1, \result={18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={18446744073709551617:0}, ref_cnt=0, size=1, tmp={18446744073709551617:0}, usb_counter=0] [L4312] RET, EXPR ldv_init_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={18446744073709551617:0}, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg6={110680464442257309714:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, usb_counter=0] [L4314] CALL, EXPR ldv_malloc(192UL) VAL [\old(size)=192, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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=192, tmp={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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=192, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=192, \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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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=192, tmp={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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)={-18446744073709551617:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, usb_counter=0] [L4314] tmp___0 = ldv_malloc(192UL) [L4315] CALL assume_abort_if_not((unsigned long )tmp___0 != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={92233720368547758081:0}, 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={92233720368547758081:0}, ref_cnt=0, size=44, tmp={92233720368547758081:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={92233720368547758081:0}, 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={92233720368547758081:0}, ref_cnt=0, size=44, tmp={92233720368547758081:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=44, \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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={92233720368547758081:0}, 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={92233720368547758081:0}, ref_cnt=0, size=44, tmp={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, 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)={92233720368547758081:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103231:0}, ref_cnt=0, size=2516, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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={110680464442257309722:110680464442257309725}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103231:0}, ref_cnt=0, size=2516, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=2516, \result={-36893488147419103231:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103231:0}, ref_cnt=0, size=2516, tmp={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_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))={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309711:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={110680464442257309711:0}, s={110680464442257309711:0}, tmp={110680464442257309711:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_memset((void *)(& ldvarg3), 0, 4UL)={110680464442257309711:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309699:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={110680464442257309699:0}, s={110680464442257309699:0}, tmp={110680464442257309699:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_memset((void *)(& ldvarg0), 0, 4UL)={110680464442257309699:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={110680464442257309714:0}, s={110680464442257309714:0}, tmp={110680464442257309714:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_memset((void *)(& ldvarg6), 0, 4UL)={110680464442257309714:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309709:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={110680464442257309709:0}, s={110680464442257309709:0}, tmp={110680464442257309709:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_memset((void *)(& ldvarg1), 0, 4UL)={110680464442257309709:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, 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={110680464442257309713:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=8, ref_cnt=0, s={110680464442257309713:0}, s={110680464442257309713:0}, tmp={110680464442257309713:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_memset((void *)(& ldvarg2), 0, 8UL)={110680464442257309713:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={110680464442257309722:110680464442257309725}, ldv_func_arg2={110680464442257309722:110680464442257309725}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, 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={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419102518:0}, ref_cnt=0, size=2320, tmp={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419102518:0}, ref_cnt=0, size=2320, tmp={36893488147419102518:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2320, \result={36893488147419102518:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, calloc(1UL, size)={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419102518:0}, ref_cnt=0, size=2320, tmp={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={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)={36893488147419102518:0}, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, 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={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=280, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=280, tmp={-73786976294838206465:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=280, \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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=280, tmp={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, 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)={-73786976294838206465:0}, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={36893488147419102518:0}, tmp___1={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=2704, tmp={-92233720368547758081:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=2704, tmp={-92233720368547758081:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2704, \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={110680464442257309722:110680464442257309725}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=2704, tmp={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2704UL)={-92233720368547758081:0}, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={36893488147419102518:0}, tmp___1={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={36893488147419102518:0}, tmp___1={-73786976294838206465:0}, tmp___2={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, 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={110680464442257309722:110680464442257309725}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, size=320, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kmalloc(320UL, 208U)={-55340232221128654847:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, priv={-55340232221128654847:0}, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, actconfig={110680464442257309733:-5}, altsetting={110680464442257309738:-13}, debug=0, endpoint={110680464442257309721:110680464442257309731}, i=0, id_table={99:0}, interface={110680464442257309715:-11}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={110680464442257309719:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, actconfig={110680464442257309733:-5}, altsetting={110680464442257309738:-13}, altsetting->desc.bNumEndpoints=256, debug=0, endpoint={110680464442257309721:110680464442257309731}, i=0, id_table={99:0}, interface={110680464442257309715:-11}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={110680464442257309719:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, actconfig={110680464442257309733:-5}, altsetting={110680464442257309738:-13}, debug=0, endpoint={110680464442257309721:110680464442257309731}, i=0, id_table={99:0}, interface={110680464442257309715:-11}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={110680464442257309719:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-73786976294838206465:0}, serial={-73786976294838206465:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, arg0={36893488147419102518:1064}, arg0={36893488147419102518:1064}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=39, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_malloc(size)={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, t=39, 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)=39, \old(size)=8, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, flags=39, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp___1={-18446744073709551615:0}, 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={110680464442257309722:110680464442257309725}, debug=0, flags=208, id_table={99:0}, kmalloc(size, flags | 32768U)={-18446744073709551615:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={-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={110680464442257309722:110680464442257309725}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, kzalloc((size_t )transfer_buffer_length, 208U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->write_urb={36893488147419102518:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->write_urb={36893488147419102518:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp___0=-7, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kmalloc((size_t )write_urb_transfer_buffer_length, 208U)={0:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->write_urb={36893488147419102518:713}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->write_urb={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, dev={0:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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)=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, arg0={0:0}, arg6={-18446744073709551615:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [L3775-L3777] result = usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L3778] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, dev={0:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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)=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, arg0={0:0}, arg6={-18446744073709551615:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, port->serial={36893488147419102518:809}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [L3789-L3791] result = usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L3792] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, priv->device_type=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, priv->device_type=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, priv->device_type=115, priv->device_type=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={36893488147419102518:0}, port={36893488147419102518:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-18446744073709551615:0}, tmp___1=1, tmp___2=1, transfer_buffer={-18446744073709551615:0}, transfer_buffer_length=8, tty={-92233720368547758081:0}, tty={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={110680464442257309699:0}, ldvarg1={110680464442257309709:0}, ldvarg2={110680464442257309713:0}, ldvarg3={110680464442257309711:0}, ldvarg4={92233720368547758081:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={110680464442257309714:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, tmp___1={92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, data={110680464442257309724:110680464442257309718}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, port={110680464442257309736:-16}, ref_cnt=1, status=0, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, size=2516, tmp___0=-12, 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={110680464442257309722:110680464442257309725}, arg0={110680464442257309736:-8}, arg0={110680464442257309736:-8}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-36893488147419103231:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, kobil_driver={100:0}, kobil_driver_group1={-55340232221128654849:0}, ldv_func_arg1={110680464442257309736:-8}, ldv_func_arg1={110680464442257309736:-8}, ldv_func_res={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, tmp={0:0}, usb_counter=0] [L3878] RET, EXPR ldv_tty_port_tty_get_7(& port->port) [L3878] tty = ldv_tty_port_tty_get_7(& port->port) [L3879] EXPR urb->actual_length VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={110680464442257309722:110680464442257309725}, data={110680464442257309724:110680464442257309718}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, 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={110680464442257309736:-16}, ref_cnt=1, status=0, tty={0:0}, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, 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={110680464442257309722:110680464442257309725}, a={0:0}, a={0:0}, chars={110680464442257309724:110680464442257309718}, chars={110680464442257309724:110680464442257309718}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, 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={110680464442257309722:110680464442257309725}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={36893488147419102518:0}, kobil_device_group1={0:0}, kobil_device_group2={-73786976294838206465:0}, kobil_device_group3={-92233720368547758081:0}, 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, 600 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 138.4s, OverallIterations: 21, TraceHistogramMax: 24, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 109.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 mSolverCounterUnknown, 17114 SdHoareTripleChecker+Valid, 103.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16475 mSDsluCounter, 74123 SdHoareTripleChecker+Invalid, 98.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55063 mSDsCounter, 8832 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21204 IncrementalHoareTripleChecker+Invalid, 30069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8832 mSolverCounterUnsat, 19060 mSDtfsCounter, 21204 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5059 GetRequests, 4809 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5494occurred in iteration=20, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 18884 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 8781 NumberOfCodeBlocks, 8624 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 9121 ConstructedInterpolants, 0 QuantifiedInterpolants, 14114 SizeOfPredicates, 38 NumberOfNonLiveVariables, 21375 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 15838/16050 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 11:40:19,001 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-?-3598765 [2022-07-21 11:40:20,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:40:20,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:40:20,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:40:20,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:40:20,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:40:20,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:40:20,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:40:20,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:40:20,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:40:20,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:40:20,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:40:20,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:40:20,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:40:20,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:40:20,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:40:20,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:40:20,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:40:20,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:40:20,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:40:20,953 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:40:20,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:40:20,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:40:20,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:40:20,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:40:20,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:40:20,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:40:20,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:40:20,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:40:20,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:40:20,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:40:20,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:40:20,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:40:20,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:40:20,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:40:20,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:40:20,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:40:20,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:40:20,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:40:20,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:40:20,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:40:20,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:40:20,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:40:21,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:40:21,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:40:21,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:40:21,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:40:21,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:40:21,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:40:21,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:40:21,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:40:21,012 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:40:21,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:40:21,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:40:21,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:40:21,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:40:21,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:40:21,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:40:21,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:40:21,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:40:21,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:40:21,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:40:21,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:40:21,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:40:21,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:40:21,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:40:21,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:40:21,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:40:21,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:40:21,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:40:21,022 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:40:21,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:40:21,022 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:40:21,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:40:21,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:40:21,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:40:21,023 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-21 11:40:21,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:40:21,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:40:21,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:40:21,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:40:21,346 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:40:21,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:40:21,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf73507b/203f10cc5363471fbf068699ee7bdcbb/FLAGf5bf0704c [2022-07-21 11:40:22,049 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:40:22,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:40:22,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf73507b/203f10cc5363471fbf068699ee7bdcbb/FLAGf5bf0704c [2022-07-21 11:40:22,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf73507b/203f10cc5363471fbf068699ee7bdcbb [2022-07-21 11:40:22,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:40:22,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:40:22,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:40:22,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:40:22,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:40:22,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:22" (1/1) ... [2022-07-21 11:40:22,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38692e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:22, skipping insertion in model container [2022-07-21 11:40:22,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:22" (1/1) ... [2022-07-21 11:40:22,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:40:22,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:40:23,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-21 11:40:23,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:40:23,294 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:40:23,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:40:23,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-21 11:40:23,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:40:23,532 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:40:23,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-21 11:40:23,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:40:23,842 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:40:23,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23 WrapperNode [2022-07-21 11:40:23,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:40:23,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:40:23,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:40:23,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:40:23,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:23,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:23,991 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2022-07-21 11:40:23,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:40:23,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:40:23,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:40:23,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:40:24,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:40:24,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:40:24,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:40:24,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:40:24,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (1/1) ... [2022-07-21 11:40:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:40:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:40:24,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:40:24,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:40:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:40:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:40:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:40:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:40:24,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:40:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:40:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:40:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-21 11:40:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-21 11:40:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:40:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:40:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:40:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:40:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:40:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:40:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:40:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:40:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:40:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:40:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-21 11:40:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-21 11:40:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:40:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:40:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:40:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:40:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-21 11:40:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-21 11:40:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:40:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:40:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:40:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:40:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-21 11:40:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-21 11:40:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:40:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:40:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:40:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:40:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-21 11:40:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-21 11:40:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-21 11:40:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-21 11:40:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:40:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:40:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:40:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:40:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:40:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-21 11:40:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:40:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:40:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-21 11:40:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:40:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-21 11:40:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:40:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:40:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:40:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:40:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:40:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:40:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-21 11:40:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-21 11:40:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:40:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:40:24,683 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:40:24,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:40:24,878 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:40:41,610 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:40:41,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:40:41,621 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:40:41,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:40:41 BoogieIcfgContainer [2022-07-21 11:40:41,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:40:41,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:40:41,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:40:41,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:40:41,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:40:22" (1/3) ... [2022-07-21 11:40:41,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21da621d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:40:41, skipping insertion in model container [2022-07-21 11:40:41,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:23" (2/3) ... [2022-07-21 11:40:41,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21da621d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:40:41, skipping insertion in model container [2022-07-21 11:40:41,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:40:41" (3/3) ... [2022-07-21 11:40:41,629 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:40:41,640 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:40:41,641 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:40:41,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:40:41,698 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40d4529c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ef59d8 [2022-07-21 11:40:41,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:40:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 587 states, 446 states have (on average 1.4103139013452914) internal successors, (629), 453 states have internal predecessors, (629), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-21 11:40:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 11:40:41,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:41,730 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:41,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:41,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1370803934, now seen corresponding path program 1 times [2022-07-21 11:40:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:40:41,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757875107] [2022-07-21 11:40:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:41,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:40:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:40:41,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:40:41,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:40:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:42,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 11:40:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 11:40:42,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:42,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:40:42,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757875107] [2022-07-21 11:40:42,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757875107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:42,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:42,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:40:42,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338609918] [2022-07-21 11:40:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 11:40:42,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:40:42,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 11:40:42,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 11:40:42,520 INFO L87 Difference]: Start difference. First operand has 587 states, 446 states have (on average 1.4103139013452914) internal successors, (629), 453 states have internal predecessors, (629), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-21 11:40:42,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:42,582 INFO L93 Difference]: Finished difference Result 1170 states and 1751 transitions. [2022-07-21 11:40:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 11:40:42,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2022-07-21 11:40:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:42,598 INFO L225 Difference]: With dead ends: 1170 [2022-07-21 11:40:42,604 INFO L226 Difference]: Without dead ends: 571 [2022-07-21 11:40:42,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 11:40:42,616 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:42,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:40:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-07-21 11:40:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-07-21 11:40:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 437 states have (on average 1.3981693363844394) internal successors, (611), 438 states have internal predecessors, (611), 108 states have call successors, (108), 25 states have call predecessors, (108), 25 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-07-21 11:40:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 827 transitions. [2022-07-21 11:40:42,690 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 827 transitions. Word has length 128 [2022-07-21 11:40:42,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:42,691 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 827 transitions. [2022-07-21 11:40:42,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-21 11:40:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 827 transitions. [2022-07-21 11:40:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 11:40:42,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:42,694 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:42,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 11:40:42,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:40:42,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:42,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:42,904 INFO L85 PathProgramCache]: Analyzing trace with hash 948643174, now seen corresponding path program 1 times [2022-07-21 11:40:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:40:42,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327461005] [2022-07-21 11:40:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:42,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:40:42,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:40:42,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:40:42,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:40:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:43,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 11:40:43,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-21 11:40:44,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:44,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:40:44,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327461005] [2022-07-21 11:40:44,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327461005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:44,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:44,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:40:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794577173] [2022-07-21 11:40:44,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:44,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:40:44,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:40:44,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:40:44,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:40:44,539 INFO L87 Difference]: Start difference. First operand 571 states and 827 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 11:40:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:45,451 INFO L93 Difference]: Finished difference Result 1139 states and 1655 transitions. [2022-07-21 11:40:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:40:45,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 128 [2022-07-21 11:40:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:45,466 INFO L225 Difference]: With dead ends: 1139 [2022-07-21 11:40:45,469 INFO L226 Difference]: Without dead ends: 573 [2022-07-21 11:40:45,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:40:45,472 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 2 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:45,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4907 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 11:40:45,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-21 11:40:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-07-21 11:40:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 438 states have (on average 1.3972602739726028) internal successors, (612), 440 states have internal predecessors, (612), 108 states have call successors, (108), 25 states have call predecessors, (108), 26 states have return successors, (114), 108 states have call predecessors, (114), 108 states have call successors, (114) [2022-07-21 11:40:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 834 transitions. [2022-07-21 11:40:45,507 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 834 transitions. Word has length 128 [2022-07-21 11:40:45,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:45,507 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 834 transitions. [2022-07-21 11:40:45,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 11:40:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 834 transitions. [2022-07-21 11:40:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-21 11:40:45,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:45,510 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:45,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:45,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:40:45,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:45,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1579561543, now seen corresponding path program 1 times [2022-07-21 11:40:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:40:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782371489] [2022-07-21 11:40:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:40:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:40:45,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:40:45,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:40:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:46,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:40:46,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-21 11:40:46,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:46,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:40:46,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782371489] [2022-07-21 11:40:46,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782371489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:46,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:46,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:40:46,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783829571] [2022-07-21 11:40:46,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:46,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:40:46,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:40:46,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:40:46,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:40:46,944 INFO L87 Difference]: Start difference. First operand 573 states and 834 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:40:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:47,585 INFO L93 Difference]: Finished difference Result 1155 states and 1669 transitions. [2022-07-21 11:40:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:40:47,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2022-07-21 11:40:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:47,592 INFO L225 Difference]: With dead ends: 1155 [2022-07-21 11:40:47,593 INFO L226 Difference]: Without dead ends: 593 [2022-07-21 11:40:47,595 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:40:47,600 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 39 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3281 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:47,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3281 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:40:47,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-07-21 11:40:47,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2022-07-21 11:40:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 450 states have (on average 1.3866666666666667) internal successors, (624), 451 states have internal predecessors, (624), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-21 11:40:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 846 transitions. [2022-07-21 11:40:47,643 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 846 transitions. Word has length 134 [2022-07-21 11:40:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:47,645 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 846 transitions. [2022-07-21 11:40:47,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:40:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 846 transitions. [2022-07-21 11:40:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-21 11:40:47,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:47,650 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:47,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:47,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:40:47,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash -356464088, now seen corresponding path program 2 times [2022-07-21 11:40:47,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:40:47,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143602834] [2022-07-21 11:40:47,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:40:47,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:40:47,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:40:47,874 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:40:47,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:40:56,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:40:56,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:40:56,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:40:56,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-07-21 11:40:56,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:56,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:40:56,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143602834] [2022-07-21 11:40:56,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143602834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:56,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:56,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:40:56,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611800976] [2022-07-21 11:40:56,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:56,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:40:56,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:40:56,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:40:56,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:40:56,817 INFO L87 Difference]: Start difference. First operand 591 states and 846 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:40:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:57,174 INFO L93 Difference]: Finished difference Result 1149 states and 1658 transitions. [2022-07-21 11:40:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:40:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2022-07-21 11:40:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:57,180 INFO L225 Difference]: With dead ends: 1149 [2022-07-21 11:40:57,180 INFO L226 Difference]: Without dead ends: 592 [2022-07-21 11:40:57,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:40:57,183 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 3 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:57,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2464 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:40:57,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-07-21 11:40:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2022-07-21 11:40:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 451 states have (on average 1.3858093126385809) internal successors, (625), 452 states have internal predecessors, (625), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-21 11:40:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2022-07-21 11:40:57,203 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 140 [2022-07-21 11:40:57,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:57,203 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2022-07-21 11:40:57,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:40:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2022-07-21 11:40:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-21 11:40:57,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:57,206 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:40:57,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:57,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:40:57,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:57,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2069020180, now seen corresponding path program 1 times [2022-07-21 11:40:57,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:40:57,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112340563] [2022-07-21 11:40:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:40:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:40:57,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:40:57,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:40:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:58,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 11:40:58,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-21 11:40:58,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:40:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-07-21 11:40:59,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:40:59,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112340563] [2022-07-21 11:40:59,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112340563] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:40:59,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:40:59,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:40:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88370259] [2022-07-21 11:40:59,573 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:40:59,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:40:59,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:40:59,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:40:59,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:40:59,575 INFO L87 Difference]: Start difference. First operand 592 states and 847 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 11:41:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:41:01,069 INFO L93 Difference]: Finished difference Result 1160 states and 1676 transitions. [2022-07-21 11:41:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:41:01,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 145 [2022-07-21 11:41:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:41:01,076 INFO L225 Difference]: With dead ends: 1160 [2022-07-21 11:41:01,076 INFO L226 Difference]: Without dead ends: 602 [2022-07-21 11:41:01,078 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:41:01,079 INFO L413 NwaCegarLoop]: 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:41:01,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2467 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 11:41:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-07-21 11:41:01,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2022-07-21 11:41:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 460 states have (on average 1.3847826086956523) internal successors, (637), 461 states have internal predecessors, (637), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-21 11:41:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 859 transitions. [2022-07-21 11:41:01,100 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 859 transitions. Word has length 145 [2022-07-21 11:41:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:41:01,100 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 859 transitions. [2022-07-21 11:41:01,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 11:41:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 859 transitions. [2022-07-21 11:41:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-21 11:41:01,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:41:01,103 INFO L195 NwaCegarLoop]: trace histogram [18, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:41:01,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:41:01,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:41:01,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:41:01,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:41:01,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1191971032, now seen corresponding path program 2 times [2022-07-21 11:41:01,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:41:01,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526083624] [2022-07-21 11:41:01,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:41:01,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:41:01,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:41:01,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:41:01,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:41:10,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:41:10,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:41:10,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:41:10,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:41:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-07-21 11:41:10,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:41:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:41:12,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:41:12,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526083624] [2022-07-21 11:41:12,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526083624] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:41:12,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:41:12,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-21 11:41:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722994955] [2022-07-21 11:41:12,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:41:12,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:41:12,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:41:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:41:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:41:12,328 INFO L87 Difference]: Start difference. First operand 602 states and 859 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:41:14,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:41:14,629 INFO L93 Difference]: Finished difference Result 1153 states and 1659 transitions. [2022-07-21 11:41:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:41:14,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2022-07-21 11:41:14,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:41:14,635 INFO L225 Difference]: With dead ends: 1153 [2022-07-21 11:41:14,635 INFO L226 Difference]: Without dead ends: 606 [2022-07-21 11:41:14,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:41:14,637 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:41:14,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 3274 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 11:41:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-07-21 11:41:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2022-07-21 11:41:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 464 states have (on average 1.3771551724137931) internal successors, (639), 465 states have internal predecessors, (639), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-21 11:41:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 861 transitions. [2022-07-21 11:41:14,654 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 861 transitions. Word has length 158 [2022-07-21 11:41:14,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:41:14,655 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 861 transitions. [2022-07-21 11:41:14,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:41:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 861 transitions. [2022-07-21 11:41:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-21 11:41:14,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:41:14,658 INFO L195 NwaCegarLoop]: trace histogram [22, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:41:14,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:41:14,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:41:14,884 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:41:14,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:41:14,885 INFO L85 PathProgramCache]: Analyzing trace with hash -42497240, now seen corresponding path program 3 times [2022-07-21 11:41:14,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:41:14,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202130217] [2022-07-21 11:41:14,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 11:41:14,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:41:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:41:14,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:41:14,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:41:22,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-21 11:41:22,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:41:22,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:41:22,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:41:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2022-07-21 11:41:23,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:41:23,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:41:23,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202130217] [2022-07-21 11:41:23,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202130217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:41:23,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:41:23,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:41:23,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874609531] [2022-07-21 11:41:23,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:41:23,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:41:23,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:41:23,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:41:23,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:41:23,058 INFO L87 Difference]: Start difference. First operand 606 states and 861 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:41:24,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:41:24,307 INFO L93 Difference]: Finished difference Result 1201 states and 1718 transitions. [2022-07-21 11:41:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:41:24,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 162 [2022-07-21 11:41:24,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:41:24,312 INFO L225 Difference]: With dead ends: 1201 [2022-07-21 11:41:24,312 INFO L226 Difference]: Without dead ends: 661 [2022-07-21 11:41:24,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:41:24,315 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 114 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:41:24,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1514 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 11:41:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-07-21 11:41:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2022-07-21 11:41:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 511 states have (on average 1.3737769080234834) internal successors, (702), 513 states have internal predecessors, (702), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-21 11:41:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 932 transitions. [2022-07-21 11:41:24,333 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 932 transitions. Word has length 162 [2022-07-21 11:41:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:41:24,334 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 932 transitions. [2022-07-21 11:41:24,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:41:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 932 transitions. [2022-07-21 11:41:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-07-21 11:41:24,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:41:24,337 INFO L195 NwaCegarLoop]: trace histogram [22, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:41:24,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:41:24,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:41:24,552 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:41:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:41:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1102966684, now seen corresponding path program 1 times [2022-07-21 11:41:24,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:41:24,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365969547] [2022-07-21 11:41:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:41:24,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:41:24,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:41:24,554 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:41:24,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:41:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:41:25,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 11:41:25,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:41:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 330 proven. 21 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-21 11:41:27,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:41:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-07-21 11:41:31,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:41:31,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365969547] [2022-07-21 11:41:31,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365969547] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:41:31,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:41:31,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-21 11:41:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834718315] [2022-07-21 11:41:31,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:41:31,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 11:41:31,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:41:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 11:41:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:41:31,697 INFO L87 Difference]: Start difference. First operand 661 states and 932 transitions. Second operand has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 11:41:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:41:36,213 INFO L93 Difference]: Finished difference Result 1301 states and 1851 transitions. [2022-07-21 11:41:36,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 11:41:36,215 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 230 [2022-07-21 11:41:36,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:41:36,219 INFO L225 Difference]: With dead ends: 1301 [2022-07-21 11:41:36,219 INFO L226 Difference]: Without dead ends: 671 [2022-07-21 11:41:36,221 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:41:36,222 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 79 mSDsluCounter, 6556 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:41:36,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 7380 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 11:41:36,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-07-21 11:41:36,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 665. [2022-07-21 11:41:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3728155339805825) internal successors, (707), 517 states have internal predecessors, (707), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-21 11:41:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 937 transitions. [2022-07-21 11:41:36,261 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 937 transitions. Word has length 230 [2022-07-21 11:41:36,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:41:36,261 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 937 transitions. [2022-07-21 11:41:36,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 11:41:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 937 transitions. [2022-07-21 11:41:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-21 11:41:36,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:41:36,265 INFO L195 NwaCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:41:36,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-21 11:41:36,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:41:36,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:41:36,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:41:36,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2074666396, now seen corresponding path program 2 times [2022-07-21 11:41:36,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:41:36,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791649099] [2022-07-21 11:41:36,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:41:36,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:41:36,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:41:36,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:41:36,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 11:41:36,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:41:36,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:41:36,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:41:36,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:41:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 11:41:41,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:41:41,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:41:41,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791649099] [2022-07-21 11:41:41,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791649099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:41:41,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:41:41,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:41:41,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528489624] [2022-07-21 11:41:41,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:41:41,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:41:41,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:41:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:41:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:41:41,825 INFO L87 Difference]: Start difference. First operand 665 states and 937 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-21 11:41:42,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:41:42,181 INFO L93 Difference]: Finished difference Result 1260 states and 1805 transitions. [2022-07-21 11:41:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:41:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 232 [2022-07-21 11:41:42,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:41:42,185 INFO L225 Difference]: With dead ends: 1260 [2022-07-21 11:41:42,185 INFO L226 Difference]: Without dead ends: 665 [2022-07-21 11:41:42,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:41:42,188 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:41:42,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 770 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:41:42,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-21 11:41:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2022-07-21 11:41:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3184466019417476) internal successors, (679), 517 states have internal predecessors, (679), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-21 11:41:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 909 transitions. [2022-07-21 11:41:42,219 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 909 transitions. Word has length 232 [2022-07-21 11:41:42,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:41:42,220 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 909 transitions. [2022-07-21 11:41:42,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-21 11:41:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 909 transitions. [2022-07-21 11:41:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-21 11:41:42,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:41:42,223 INFO L195 NwaCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:41:42,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-21 11:41:42,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:41:42,440 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:41:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:41:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1199232546, now seen corresponding path program 1 times [2022-07-21 11:41:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:41:42,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58153809] [2022-07-21 11:41:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:41:42,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:41:42,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:41:42,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:41:42,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process