./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:39:33,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:39:33,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:39:33,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:39:33,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:39:33,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:39:33,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:39:33,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:39:33,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:39:33,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:39:33,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:39:33,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:39:33,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:39:33,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:39:33,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:39:33,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:39:33,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:39:33,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:39:33,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:39:33,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:39:33,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:39:33,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:39:33,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:39:33,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:39:33,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:39:33,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:39:33,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:39:33,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:39:33,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:39:33,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:39:33,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:39:33,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:39:33,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:39:33,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:39:33,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:39:33,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:39:33,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:39:33,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:39:33,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:39:33,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:39:33,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:39:33,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:39:33,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:39:33,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:39:33,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:39:33,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:39:33,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:39:33,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:39:33,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:39:33,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:39:33,562 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:39:33,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:39:33,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:39:33,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:39:33,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:39:33,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:39:33,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:39:33,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:39:33,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:39:33,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:39:33,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:39:33,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:39:33,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:39:33,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:39:33,567 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:39:33,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:39:33,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:39:33,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:39:33,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2021-11-17 01:39:33,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:39:33,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:39:33,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:39:33,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:39:33,804 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:39:33,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:39:33,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1463378/4f2f5779389943099596298b93d6a09b/FLAG610a9b937 [2021-11-17 01:39:34,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:39:34,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:39:34,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1463378/4f2f5779389943099596298b93d6a09b/FLAG610a9b937 [2021-11-17 01:39:34,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1463378/4f2f5779389943099596298b93d6a09b [2021-11-17 01:39:34,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:39:34,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:39:34,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:39:34,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:39:34,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:39:34,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:39:34" (1/1) ... [2021-11-17 01:39:34,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a583df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:34, skipping insertion in model container [2021-11-17 01:39:34,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:39:34" (1/1) ... [2021-11-17 01:39:34,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:39:34,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:39:35,262 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-11-17 01:39:35,262 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-11-17 01:39:35,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-11-17 01:39:36,012 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:39:36,057 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:39:36,139 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-11-17 01:39:36,141 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-11-17 01:39:36,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-11-17 01:39:36,315 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:39:36,426 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:39:36,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36 WrapperNode [2021-11-17 01:39:36,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:39:36,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:39:36,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:39:36,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:39:36,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,680 INFO L137 Inliner]: procedures = 264, calls = 3505, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6300 [2021-11-17 01:39:36,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:39:36,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:39:36,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:39:36,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:39:36,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:39:36,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:39:36,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:39:36,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:39:36,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (1/1) ... [2021-11-17 01:39:36,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:39:36,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:39:36,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:39:37,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:39:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-17 01:39:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-17 01:39:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-17 01:39:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-17 01:39:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-17 01:39:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 01:39:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 01:39:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-17 01:39:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-17 01:39:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 01:39:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:39:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:39:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:39:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:39:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-17 01:39:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-17 01:39:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-17 01:39:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-17 01:39:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 01:39:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 01:39:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:39:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:39:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:39:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:39:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-17 01:39:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-17 01:39:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-17 01:39:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-17 01:39:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-17 01:39:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-17 01:39:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:39:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:39:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-17 01:39:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-17 01:39:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:39:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:39:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-17 01:39:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-17 01:39:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-17 01:39:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-17 01:39:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:39:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:39:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:39:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:39:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:39:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:39:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-17 01:39:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-17 01:39:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-17 01:39:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-17 01:39:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-17 01:39:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-17 01:39:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:39:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 01:39:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 01:39:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 01:39:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-17 01:39:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-17 01:39:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 01:39:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 01:39:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:39:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-17 01:39:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-17 01:39:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-17 01:39:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-17 01:39:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:39:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:39:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:39:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:39:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:39:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:39:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 01:39:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 01:39:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-17 01:39:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-17 01:39:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:39:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:39:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-17 01:39:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-17 01:39:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 01:39:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 01:39:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-17 01:39:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-17 01:39:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-17 01:39:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-17 01:39:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-17 01:39:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-17 01:39:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 01:39:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:39:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:39:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 01:39:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 01:39:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-17 01:39:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-17 01:39:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:39:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:39:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 01:39:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-17 01:39:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-17 01:39:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:39:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-17 01:39:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-17 01:39:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-17 01:39:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-17 01:39:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:39:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:39:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 01:39:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 01:39:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-17 01:39:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-17 01:39:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-17 01:39:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-17 01:39:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 01:39:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 01:39:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 01:39:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 01:39:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:39:37,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:39:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-17 01:39:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-17 01:39:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-17 01:39:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-17 01:39:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-17 01:39:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-17 01:39:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:39:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:39:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:39:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 01:39:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 01:39:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-17 01:39:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-17 01:39:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-17 01:39:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-17 01:39:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:39:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:39:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-17 01:39:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-17 01:39:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-17 01:39:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 01:39:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:39:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-17 01:39:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-17 01:39:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-17 01:39:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-17 01:39:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 01:39:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 01:39:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 01:39:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 01:39:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-17 01:39:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-17 01:39:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-17 01:39:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-17 01:39:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-17 01:39:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-17 01:39:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 01:39:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 01:39:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 01:39:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 01:39:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 01:39:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 01:39:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-17 01:39:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-17 01:39:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:39:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:39:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-17 01:39:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-17 01:39:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 01:39:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 01:39:37,605 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:39:37,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:39:37,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:39:47,506 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:39:47,519 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:39:47,519 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:39:47,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:39:47 BoogieIcfgContainer [2021-11-17 01:39:47,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:39:47,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:39:47,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:39:47,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:39:47,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:39:34" (1/3) ... [2021-11-17 01:39:47,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:39:47, skipping insertion in model container [2021-11-17 01:39:47,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:36" (2/3) ... [2021-11-17 01:39:47,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:39:47, skipping insertion in model container [2021-11-17 01:39:47,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:39:47" (3/3) ... [2021-11-17 01:39:47,534 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:39:47,537 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:39:47,537 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:39:47,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:39:47,575 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 01:39:47,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:39:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1034 states have (on average 1.3375241779497098) internal successors, (1383), 1049 states have internal predecessors, (1383), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2021-11-17 01:39:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-17 01:39:47,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:39:47,624 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:39:47,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:39:47,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:39:47,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1676759204, now seen corresponding path program 1 times [2021-11-17 01:39:47,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:39:47,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528843916] [2021-11-17 01:39:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:39:47,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:39:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:39:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:39:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:39:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:39:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:39:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:39:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:39:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:39:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:39:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:39:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:39:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:39:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:39:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:39:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:39:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:39:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:39:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 01:39:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 01:39:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:39:48,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:39:48,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528843916] [2021-11-17 01:39:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528843916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:39:48,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:39:48,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:39:48,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264369092] [2021-11-17 01:39:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:39:48,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:39:48,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:39:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:39:48,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:39:48,320 INFO L87 Difference]: Start difference. First operand has 1447 states, 1034 states have (on average 1.3375241779497098) internal successors, (1383), 1049 states have internal predecessors, (1383), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:39:49,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:51,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:55,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:57,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:00,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:02,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:05,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:07,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:10,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:12,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:40:13,793 INFO L93 Difference]: Finished difference Result 4264 states and 6159 transitions. [2021-11-17 01:40:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:40:13,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 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 130 [2021-11-17 01:40:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:40:13,846 INFO L225 Difference]: With dead ends: 4264 [2021-11-17 01:40:13,846 INFO L226 Difference]: Without dead ends: 2781 [2021-11-17 01:40:13,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:40:13,862 INFO L933 BasicCegarLoop]: 2151 mSDtfsCounter, 2636 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 1513 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 5727 SdHoareTripleChecker+Invalid, 3421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1513 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:40:13,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2869 Valid, 5727 Invalid, 3421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1513 Valid, 1899 Invalid, 9 Unknown, 0 Unchecked, 25.0s Time] [2021-11-17 01:40:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2021-11-17 01:40:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2690. [2021-11-17 01:40:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1941 states have (on average 1.3312725399278722) internal successors, (2584), 1951 states have internal predecessors, (2584), 589 states have call successors, (589), 160 states have call predecessors, (589), 159 states have return successors, (588), 588 states have call predecessors, (588), 588 states have call successors, (588) [2021-11-17 01:40:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3761 transitions. [2021-11-17 01:40:14,070 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3761 transitions. Word has length 130 [2021-11-17 01:40:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:40:14,071 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3761 transitions. [2021-11-17 01:40:14,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:40:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3761 transitions. [2021-11-17 01:40:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-17 01:40:14,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:40:14,094 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:40:14,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:40:14,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:40:14,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:40:14,095 INFO L85 PathProgramCache]: Analyzing trace with hash -681871988, now seen corresponding path program 1 times [2021-11-17 01:40:14,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:40:14,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497940538] [2021-11-17 01:40:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:40:14,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:40:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:40:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:40:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:40:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:40:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:40:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:40:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:40:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:40:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:40:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:40:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:40:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:40:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:40:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:40:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:40:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:40:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 01:40:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:40:14,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:40:14,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497940538] [2021-11-17 01:40:14,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497940538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:40:14,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:40:14,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:40:14,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084346686] [2021-11-17 01:40:14,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:40:14,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:40:14,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:40:14,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:40:14,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:40:14,497 INFO L87 Difference]: Start difference. First operand 2690 states and 3761 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:40:16,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:18,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:20,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:23,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:25,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:30,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:32,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:35,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:37,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:40:40,103 INFO L93 Difference]: Finished difference Result 7251 states and 10155 transitions. [2021-11-17 01:40:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 01:40:40,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2021-11-17 01:40:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:40:40,181 INFO L225 Difference]: With dead ends: 7251 [2021-11-17 01:40:40,184 INFO L226 Difference]: Without dead ends: 4594 [2021-11-17 01:40:40,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-17 01:40:40,192 INFO L933 BasicCegarLoop]: 2127 mSDtfsCounter, 2593 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 3074 mSolverCounterSat, 1950 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 3074 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:40:40,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2859 Valid, 5945 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 3074 Invalid, 9 Unknown, 0 Unchecked, 25.2s Time] [2021-11-17 01:40:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-11-17 01:40:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4433. [2021-11-17 01:40:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4433 states, 3174 states have (on average 1.316950220541903) internal successors, (4180), 3193 states have internal predecessors, (4180), 978 states have call successors, (978), 281 states have call predecessors, (978), 280 states have return successors, (977), 976 states have call predecessors, (977), 977 states have call successors, (977) [2021-11-17 01:40:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4433 states to 4433 states and 6135 transitions. [2021-11-17 01:40:40,325 INFO L78 Accepts]: Start accepts. Automaton has 4433 states and 6135 transitions. Word has length 130 [2021-11-17 01:40:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:40:40,326 INFO L470 AbstractCegarLoop]: Abstraction has 4433 states and 6135 transitions. [2021-11-17 01:40:40,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:40:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4433 states and 6135 transitions. [2021-11-17 01:40:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-17 01:40:40,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:40:40,329 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:40:40,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:40:40,329 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:40:40,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:40:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash -2103859548, now seen corresponding path program 1 times [2021-11-17 01:40:40,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:40:40,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304269982] [2021-11-17 01:40:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:40:40,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:40:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:40:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:40:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:40:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:40:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:40:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:40:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:40:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:40:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:40:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:40:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:40:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:40:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:40:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:40:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:40:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:40:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:40:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:40:40,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:40:40,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304269982] [2021-11-17 01:40:40,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304269982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:40:40,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:40:40,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:40:40,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343327368] [2021-11-17 01:40:40,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:40:40,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:40:40,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:40:40,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:40:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:40:40,681 INFO L87 Difference]: Start difference. First operand 4433 states and 6135 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:40:42,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:44,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:47,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:49,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:53,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:55,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:59,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:01,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:03,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:05,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:06,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:06,725 INFO L93 Difference]: Finished difference Result 10955 states and 15220 transitions. [2021-11-17 01:41:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:41:06,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2021-11-17 01:41:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:06,750 INFO L225 Difference]: With dead ends: 10955 [2021-11-17 01:41:06,751 INFO L226 Difference]: Without dead ends: 6555 [2021-11-17 01:41:06,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:06,762 INFO L933 BasicCegarLoop]: 2037 mSDtfsCounter, 1914 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 1194 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 5518 SdHoareTripleChecker+Invalid, 2906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1194 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:06,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2047 Valid, 5518 Invalid, 2906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1194 Valid, 1702 Invalid, 10 Unknown, 0 Unchecked, 25.8s Time] [2021-11-17 01:41:06,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6555 states. [2021-11-17 01:41:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6555 to 6321. [2021-11-17 01:41:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 4579 states have (on average 1.3256169469316446) internal successors, (6070), 4603 states have internal predecessors, (6070), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2021-11-17 01:41:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 8719 transitions. [2021-11-17 01:41:06,931 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 8719 transitions. Word has length 134 [2021-11-17 01:41:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:06,932 INFO L470 AbstractCegarLoop]: Abstraction has 6321 states and 8719 transitions. [2021-11-17 01:41:06,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:41:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 8719 transitions. [2021-11-17 01:41:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-17 01:41:06,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:06,942 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2021-11-17 01:41:06,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:41:06,943 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:06,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash 829042558, now seen corresponding path program 1 times [2021-11-17 01:41:06,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:06,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94632667] [2021-11-17 01:41:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:06,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:41:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:41:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:41:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:41:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:41:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:41:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:41:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:41:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:41:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:41:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:41:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:41:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:41:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:41:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:41:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 01:41:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 01:41:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:41:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 01:41:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 01:41:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 01:41:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 01:41:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2021-11-17 01:41:07,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:07,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94632667] [2021-11-17 01:41:07,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94632667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:07,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:07,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:41:07,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467656817] [2021-11-17 01:41:07,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:07,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:41:07,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:07,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:41:07,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:41:07,372 INFO L87 Difference]: Start difference. First operand 6321 states and 8719 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:41:09,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:11,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:13,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:15,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:18,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:20,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:23,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:28,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:30,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:32,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:32,583 INFO L93 Difference]: Finished difference Result 12895 states and 17890 transitions. [2021-11-17 01:41:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:41:32,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 182 [2021-11-17 01:41:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:32,642 INFO L225 Difference]: With dead ends: 12895 [2021-11-17 01:41:32,642 INFO L226 Difference]: Without dead ends: 6596 [2021-11-17 01:41:32,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:41:32,671 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 597 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 743 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 7947 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 743 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:32,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 7947 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [743 Valid, 2261 Invalid, 9 Unknown, 0 Unchecked, 25.0s Time] [2021-11-17 01:41:32,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2021-11-17 01:41:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 6321. [2021-11-17 01:41:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 4579 states have (on average 1.323869840576545) internal successors, (6062), 4603 states have internal predecessors, (6062), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2021-11-17 01:41:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 8711 transitions. [2021-11-17 01:41:32,863 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 8711 transitions. Word has length 182 [2021-11-17 01:41:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:32,864 INFO L470 AbstractCegarLoop]: Abstraction has 6321 states and 8711 transitions. [2021-11-17 01:41:32,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:41:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 8711 transitions. [2021-11-17 01:41:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-17 01:41:32,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:32,875 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 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] [2021-11-17 01:41:32,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 01:41:32,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:32,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:32,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1731550198, now seen corresponding path program 1 times [2021-11-17 01:41:32,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:32,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458514308] [2021-11-17 01:41:32,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:32,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:41:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:41:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:41:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:41:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:41:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:41:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:41:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:41:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:41:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:41:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:41:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:41:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:41:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:41:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:41:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 01:41:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 01:41:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 01:41:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2021-11-17 01:41:33,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:33,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458514308] [2021-11-17 01:41:33,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458514308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:33,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:33,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:41:33,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440980501] [2021-11-17 01:41:33,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:33,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:41:33,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:33,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:41:33,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:41:33,219 INFO L87 Difference]: Start difference. First operand 6321 states and 8711 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 01:41:35,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:37,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:39,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:41,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:45,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:51,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:53,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:55,440 INFO L93 Difference]: Finished difference Result 15703 states and 22434 transitions. [2021-11-17 01:41:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:41:55,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 179 [2021-11-17 01:41:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:55,528 INFO L225 Difference]: With dead ends: 15703 [2021-11-17 01:41:55,528 INFO L226 Difference]: Without dead ends: 9428 [2021-11-17 01:41:55,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:41:55,542 INFO L933 BasicCegarLoop]: 2642 mSDtfsCounter, 3067 mSDsluCounter, 6180 mSDsCounter, 0 mSdLazyCounter, 2864 mSolverCounterSat, 1392 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 8822 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 2864 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:55,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3333 Valid, 8822 Invalid, 4263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1392 Valid, 2864 Invalid, 7 Unknown, 0 Unchecked, 21.8s Time] [2021-11-17 01:41:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9428 states. [2021-11-17 01:41:55,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9428 to 6325. [2021-11-17 01:41:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6325 states, 4583 states have (on average 1.3235871699759982) internal successors, (6066), 4607 states have internal predecessors, (6066), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2021-11-17 01:41:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6325 states to 6325 states and 8715 transitions. [2021-11-17 01:41:55,746 INFO L78 Accepts]: Start accepts. Automaton has 6325 states and 8715 transitions. Word has length 179 [2021-11-17 01:41:55,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:55,746 INFO L470 AbstractCegarLoop]: Abstraction has 6325 states and 8715 transitions. [2021-11-17 01:41:55,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 01:41:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6325 states and 8715 transitions. [2021-11-17 01:41:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-17 01:41:55,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:55,755 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2021-11-17 01:41:55,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 01:41:55,756 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:55,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1488426844, now seen corresponding path program 1 times [2021-11-17 01:41:55,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:55,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079659109] [2021-11-17 01:41:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:55,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:41:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:41:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:41:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:41:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:41:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:41:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:41:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:41:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:41:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:41:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:41:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:41:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:41:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:41:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:41:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:41:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:41:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:41:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:41:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 01:41:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:41:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:41:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 01:41:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2021-11-17 01:41:56,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:56,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079659109] [2021-11-17 01:41:56,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079659109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:56,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:56,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:41:56,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108570274] [2021-11-17 01:41:56,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:56,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:41:56,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:56,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:41:56,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:41:56,175 INFO L87 Difference]: Start difference. First operand 6325 states and 8715 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:41:58,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:00,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:02,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:07,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:08,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:08,769 INFO L93 Difference]: Finished difference Result 6875 states and 9487 transitions. [2021-11-17 01:42:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:42:08,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 190 [2021-11-17 01:42:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:08,824 INFO L225 Difference]: With dead ends: 6875 [2021-11-17 01:42:08,825 INFO L226 Difference]: Without dead ends: 6872 [2021-11-17 01:42:08,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:42:08,829 INFO L933 BasicCegarLoop]: 1899 mSDtfsCounter, 2433 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 1296 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1296 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:08,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2650 Valid, 3898 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1296 Valid, 1163 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2021-11-17 01:42:08,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6872 states. [2021-11-17 01:42:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6872 to 6567. [2021-11-17 01:42:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 4746 states have (on average 1.3179519595448799) internal successors, (6255), 4770 states have internal predecessors, (6255), 1355 states have call successors, (1355), 466 states have call predecessors, (1355), 465 states have return successors, (1354), 1352 states have call predecessors, (1354), 1354 states have call successors, (1354) [2021-11-17 01:42:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 8964 transitions. [2021-11-17 01:42:09,036 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 8964 transitions. Word has length 190 [2021-11-17 01:42:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:09,037 INFO L470 AbstractCegarLoop]: Abstraction has 6567 states and 8964 transitions. [2021-11-17 01:42:09,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:42:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 8964 transitions. [2021-11-17 01:42:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-17 01:42:09,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:09,044 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2021-11-17 01:42:09,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 01:42:09,045 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:09,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:09,045 INFO L85 PathProgramCache]: Analyzing trace with hash -493539628, now seen corresponding path program 1 times [2021-11-17 01:42:09,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:09,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092905307] [2021-11-17 01:42:09,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:09,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:42:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:42:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:42:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:42:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:42:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:42:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:42:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:42:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:42:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:42:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:42:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:42:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:42:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:42:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:42:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:42:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:42:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:42:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:42:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:42:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:42:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 01:42:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-17 01:42:09,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:09,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092905307] [2021-11-17 01:42:09,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092905307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:42:09,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:42:09,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:42:09,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340074508] [2021-11-17 01:42:09,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:42:09,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:42:09,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:09,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:42:09,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:42:09,354 INFO L87 Difference]: Start difference. First operand 6567 states and 8964 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 01:42:11,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:13,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:16,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:21,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:25,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:28,149 INFO L93 Difference]: Finished difference Result 17475 states and 23990 transitions. [2021-11-17 01:42:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:42:28,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 190 [2021-11-17 01:42:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:28,208 INFO L225 Difference]: With dead ends: 17475 [2021-11-17 01:42:28,215 INFO L226 Difference]: Without dead ends: 10954 [2021-11-17 01:42:28,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-11-17 01:42:28,230 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 3474 mSDsluCounter, 4911 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 2489 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 7722 SdHoareTripleChecker+Invalid, 6089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2489 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:28,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3732 Valid, 7722 Invalid, 6089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2489 Valid, 3595 Invalid, 5 Unknown, 0 Unchecked, 18.3s Time] [2021-11-17 01:42:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10954 states. [2021-11-17 01:42:28,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10954 to 10386. [2021-11-17 01:42:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10386 states, 7576 states have (on average 1.3146779303062301) internal successors, (9960), 7614 states have internal predecessors, (9960), 2070 states have call successors, (2070), 740 states have call predecessors, (2070), 739 states have return successors, (2069), 2065 states have call predecessors, (2069), 2069 states have call successors, (2069) [2021-11-17 01:42:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10386 states to 10386 states and 14099 transitions. [2021-11-17 01:42:28,512 INFO L78 Accepts]: Start accepts. Automaton has 10386 states and 14099 transitions. Word has length 190 [2021-11-17 01:42:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:28,513 INFO L470 AbstractCegarLoop]: Abstraction has 10386 states and 14099 transitions. [2021-11-17 01:42:28,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 01:42:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10386 states and 14099 transitions. [2021-11-17 01:42:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-17 01:42:28,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:28,520 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 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] [2021-11-17 01:42:28,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 01:42:28,520 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:28,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash -328108237, now seen corresponding path program 1 times [2021-11-17 01:42:28,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:28,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774351995] [2021-11-17 01:42:28,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:28,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:42:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:42:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:42:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:42:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:42:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:42:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:42:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:42:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:42:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:42:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:42:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:42:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:42:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:42:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:42:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:42:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 01:42:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:42:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 01:42:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 01:42:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 01:42:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 01:42:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-17 01:42:28,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:28,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774351995] [2021-11-17 01:42:28,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774351995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:42:28,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:42:28,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:42:28,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263408165] [2021-11-17 01:42:28,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:42:28,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:42:28,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:28,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:42:28,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:42:28,797 INFO L87 Difference]: Start difference. First operand 10386 states and 14099 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:42:30,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:32,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:35,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:38,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:40,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:46,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:48,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:50,627 INFO L93 Difference]: Finished difference Result 21289 states and 29009 transitions. [2021-11-17 01:42:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:42:50,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2021-11-17 01:42:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:50,654 INFO L225 Difference]: With dead ends: 21289 [2021-11-17 01:42:50,654 INFO L226 Difference]: Without dead ends: 10937 [2021-11-17 01:42:50,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:42:50,670 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1113 mSDsluCounter, 4488 mSDsCounter, 0 mSdLazyCounter, 2961 mSolverCounterSat, 1181 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 6316 SdHoareTripleChecker+Invalid, 4149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1181 IncrementalHoareTripleChecker+Valid, 2961 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:50,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 6316 Invalid, 4149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1181 Valid, 2961 Invalid, 7 Unknown, 0 Unchecked, 21.4s Time] [2021-11-17 01:42:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10937 states. [2021-11-17 01:42:50,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10937 to 10295. [2021-11-17 01:42:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10295 states, 7506 states have (on average 1.3156141753264055) internal successors, (9875), 7547 states have internal predecessors, (9875), 2058 states have call successors, (2058), 731 states have call predecessors, (2058), 730 states have return successors, (2057), 2050 states have call predecessors, (2057), 2057 states have call successors, (2057) [2021-11-17 01:42:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10295 states to 10295 states and 13990 transitions. [2021-11-17 01:42:50,903 INFO L78 Accepts]: Start accepts. Automaton has 10295 states and 13990 transitions. Word has length 194 [2021-11-17 01:42:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:50,905 INFO L470 AbstractCegarLoop]: Abstraction has 10295 states and 13990 transitions. [2021-11-17 01:42:50,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:42:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 10295 states and 13990 transitions. [2021-11-17 01:42:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-17 01:42:50,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:50,977 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2021-11-17 01:42:50,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 01:42:50,977 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2137219788, now seen corresponding path program 1 times [2021-11-17 01:42:50,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:50,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477869005] [2021-11-17 01:42:50,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:50,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:42:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:42:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:42:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:42:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:42:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:42:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:42:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:42:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:42:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:42:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:42:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:42:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:42:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:42:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:42:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:42:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 01:42:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:42:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:42:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 01:42:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:42:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 01:42:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 01:42:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-17 01:42:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:42:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2021-11-17 01:42:51,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:51,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477869005] [2021-11-17 01:42:51,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477869005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:42:51,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:42:51,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:42:51,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2589551] [2021-11-17 01:42:51,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:42:51,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:42:51,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:51,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:42:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:42:51,335 INFO L87 Difference]: Start difference. First operand 10295 states and 13990 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 01:42:52,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:55,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:59,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:03,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:08,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:10,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:43:11,837 INFO L93 Difference]: Finished difference Result 24713 states and 33610 transitions. [2021-11-17 01:43:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:43:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 213 [2021-11-17 01:43:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:43:11,934 INFO L225 Difference]: With dead ends: 24713 [2021-11-17 01:43:11,935 INFO L226 Difference]: Without dead ends: 14464 [2021-11-17 01:43:11,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-11-17 01:43:11,948 INFO L933 BasicCegarLoop]: 2836 mSDtfsCounter, 2745 mSDsluCounter, 4445 mSDsCounter, 0 mSdLazyCounter, 3242 mSolverCounterSat, 1926 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3009 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 5173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1926 IncrementalHoareTripleChecker+Valid, 3242 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:43:11,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3009 Valid, 7281 Invalid, 5173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1926 Valid, 3242 Invalid, 5 Unknown, 0 Unchecked, 20.0s Time] [2021-11-17 01:43:11,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14464 states. [2021-11-17 01:43:12,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14464 to 13701. [2021-11-17 01:43:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13701 states, 10077 states have (on average 1.3164632331050907) internal successors, (13266), 10126 states have internal predecessors, (13266), 2618 states have call successors, (2618), 1006 states have call predecessors, (2618), 1005 states have return successors, (2617), 2608 states have call predecessors, (2617), 2617 states have call successors, (2617) [2021-11-17 01:43:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13701 states to 13701 states and 18501 transitions. [2021-11-17 01:43:12,334 INFO L78 Accepts]: Start accepts. Automaton has 13701 states and 18501 transitions. Word has length 213 [2021-11-17 01:43:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:43:12,334 INFO L470 AbstractCegarLoop]: Abstraction has 13701 states and 18501 transitions. [2021-11-17 01:43:12,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 01:43:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 13701 states and 18501 transitions. [2021-11-17 01:43:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 01:43:12,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:43:12,350 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:43:12,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 01:43:12,350 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:43:12,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:43:12,351 INFO L85 PathProgramCache]: Analyzing trace with hash 100618785, now seen corresponding path program 1 times [2021-11-17 01:43:12,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:43:12,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397599017] [2021-11-17 01:43:12,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:43:12,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:43:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:43:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:43:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:43:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:43:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:43:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:43:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:43:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:43:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:43:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:43:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:43:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:43:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:43:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:43:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:43:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:43:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:43:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:43:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:43:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:43:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:43:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:43:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:43:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 01:43:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 01:43:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2021-11-17 01:43:12,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:43:12,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397599017] [2021-11-17 01:43:12,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397599017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:43:12,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:43:12,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:43:12,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659620938] [2021-11-17 01:43:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:43:12,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:43:12,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:43:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:43:12,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:43:12,797 INFO L87 Difference]: Start difference. First operand 13701 states and 18501 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:43:14,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:17,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:19,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:21,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:28,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:43:30,214 INFO L93 Difference]: Finished difference Result 28235 states and 38226 transitions. [2021-11-17 01:43:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:43:30,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2021-11-17 01:43:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:43:30,256 INFO L225 Difference]: With dead ends: 28235 [2021-11-17 01:43:30,256 INFO L226 Difference]: Without dead ends: 14543 [2021-11-17 01:43:30,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-17 01:43:30,275 INFO L933 BasicCegarLoop]: 1834 mSDtfsCounter, 1620 mSDsluCounter, 5132 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 1618 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 6966 SdHoareTripleChecker+Invalid, 4608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1618 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:43:30,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 6966 Invalid, 4608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1618 Valid, 2986 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2021-11-17 01:43:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14543 states. [2021-11-17 01:43:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14543 to 13780. [2021-11-17 01:43:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13780 states, 10140 states have (on average 1.3149901380670612) internal successors, (13334), 10190 states have internal predecessors, (13334), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1011 states have return successors, (2627), 2617 states have call predecessors, (2627), 2627 states have call successors, (2627) [2021-11-17 01:43:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13780 states to 13780 states and 18589 transitions. [2021-11-17 01:43:30,658 INFO L78 Accepts]: Start accepts. Automaton has 13780 states and 18589 transitions. Word has length 212 [2021-11-17 01:43:30,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:43:30,659 INFO L470 AbstractCegarLoop]: Abstraction has 13780 states and 18589 transitions. [2021-11-17 01:43:30,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:43:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13780 states and 18589 transitions. [2021-11-17 01:43:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 01:43:30,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:43:30,674 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:43:30,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 01:43:30,674 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:43:30,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:43:30,675 INFO L85 PathProgramCache]: Analyzing trace with hash -782890205, now seen corresponding path program 1 times [2021-11-17 01:43:30,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:43:30,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892215796] [2021-11-17 01:43:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:43:30,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:43:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:43:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:43:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:43:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:43:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:43:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:43:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:43:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:43:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:43:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:43:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:43:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:43:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:43:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:43:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:43:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:43:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:43:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:43:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:43:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:43:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:43:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:43:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:43:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 01:43:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 01:43:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:43:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2021-11-17 01:43:31,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:43:31,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892215796] [2021-11-17 01:43:31,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892215796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:43:31,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:43:31,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 01:43:31,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836399795] [2021-11-17 01:43:31,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:43:31,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 01:43:31,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:43:31,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 01:43:31,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:43:31,160 INFO L87 Difference]: Start difference. First operand 13780 states and 18589 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:43:33,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:36,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:39,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:41,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:43,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:47,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:49,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:51,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:53,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:02,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:04,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:07,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:44:07,354 INFO L93 Difference]: Finished difference Result 28330 states and 38303 transitions. [2021-11-17 01:44:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-17 01:44:07,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 212 [2021-11-17 01:44:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:44:07,392 INFO L225 Difference]: With dead ends: 28330 [2021-11-17 01:44:07,392 INFO L226 Difference]: Without dead ends: 14535 [2021-11-17 01:44:07,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-11-17 01:44:07,411 INFO L933 BasicCegarLoop]: 1827 mSDtfsCounter, 1363 mSDsluCounter, 11385 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 1276 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 13212 SdHoareTripleChecker+Invalid, 7478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:44:07,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1464 Valid, 13212 Invalid, 7478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1276 Valid, 6191 Invalid, 11 Unknown, 0 Unchecked, 35.5s Time] [2021-11-17 01:44:07,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14535 states. [2021-11-17 01:44:07,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14535 to 13810. [2021-11-17 01:44:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13810 states, 10155 states have (on average 1.3141309699655341) internal successors, (13345), 10220 states have internal predecessors, (13345), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1026 states have return successors, (2678), 2617 states have call predecessors, (2678), 2627 states have call successors, (2678) [2021-11-17 01:44:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13810 states to 13810 states and 18651 transitions. [2021-11-17 01:44:07,804 INFO L78 Accepts]: Start accepts. Automaton has 13810 states and 18651 transitions. Word has length 212 [2021-11-17 01:44:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:44:07,805 INFO L470 AbstractCegarLoop]: Abstraction has 13810 states and 18651 transitions. [2021-11-17 01:44:07,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:44:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 13810 states and 18651 transitions. [2021-11-17 01:44:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-17 01:44:07,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:44:07,822 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 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] [2021-11-17 01:44:07,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 01:44:07,823 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:44:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:44:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2056376233, now seen corresponding path program 1 times [2021-11-17 01:44:07,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:44:07,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873082142] [2021-11-17 01:44:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:07,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:44:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:44:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:44:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:44:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:44:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:44:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:44:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:44:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:44:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:44:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:44:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:44:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:44:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:44:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:44:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:44:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:44:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:44:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-17 01:44:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:44:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 01:44:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 01:44:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:44:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 01:44:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 01:44:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 01:44:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-11-17 01:44:08,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:44:08,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873082142] [2021-11-17 01:44:08,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873082142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:44:08,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:44:08,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:44:08,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091312339] [2021-11-17 01:44:08,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:44:08,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:44:08,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:44:08,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:44:08,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:44:08,385 INFO L87 Difference]: Start difference. First operand 13810 states and 18651 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 01:44:10,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:12,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:14,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:17,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:19,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:22,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:28,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:30,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:33,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:44:33,073 INFO L93 Difference]: Finished difference Result 28273 states and 38279 transitions. [2021-11-17 01:44:33,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:44:33,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2021-11-17 01:44:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:44:33,111 INFO L225 Difference]: With dead ends: 28273 [2021-11-17 01:44:33,111 INFO L226 Difference]: Without dead ends: 14478 [2021-11-17 01:44:33,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:44:33,134 INFO L933 BasicCegarLoop]: 1831 mSDtfsCounter, 1113 mSDsluCounter, 5893 mSDsCounter, 0 mSdLazyCounter, 3581 mSolverCounterSat, 1179 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 7724 SdHoareTripleChecker+Invalid, 4768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1179 IncrementalHoareTripleChecker+Valid, 3581 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:44:33,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 7724 Invalid, 4768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1179 Valid, 3581 Invalid, 8 Unknown, 0 Unchecked, 24.2s Time] [2021-11-17 01:44:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14478 states. [2021-11-17 01:44:33,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14478 to 13825. [2021-11-17 01:44:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13825 states, 10170 states have (on average 1.3136676499508357) internal successors, (13360), 10235 states have internal predecessors, (13360), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1026 states have return successors, (2678), 2617 states have call predecessors, (2678), 2627 states have call successors, (2678) [2021-11-17 01:44:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13825 states to 13825 states and 18666 transitions. [2021-11-17 01:44:33,543 INFO L78 Accepts]: Start accepts. Automaton has 13825 states and 18666 transitions. Word has length 232 [2021-11-17 01:44:33,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:44:33,543 INFO L470 AbstractCegarLoop]: Abstraction has 13825 states and 18666 transitions. [2021-11-17 01:44:33,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 01:44:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 13825 states and 18666 transitions. [2021-11-17 01:44:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-17 01:44:33,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:44:33,558 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 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] [2021-11-17 01:44:33,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 01:44:33,558 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:44:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:44:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash -57443283, now seen corresponding path program 1 times [2021-11-17 01:44:33,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:44:33,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015734322] [2021-11-17 01:44:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:33,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:44:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:44:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:44:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:44:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:44:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:44:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:44:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:44:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:44:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:44:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:44:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:44:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:44:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:44:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:44:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:44:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:44:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:44:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 01:44:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 01:44:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:44:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 01:44:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 01:44:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 01:44:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 01:44:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 01:44:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-11-17 01:44:34,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:44:34,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015734322] [2021-11-17 01:44:34,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015734322] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:44:34,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972098039] [2021-11-17 01:44:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:34,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:44:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:44:34,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:44:34,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:44:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:35,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 5584 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-17 01:44:35,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:44:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-11-17 01:44:35,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:44:35,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972098039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:44:35,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:44:35,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-11-17 01:44:35,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354288444] [2021-11-17 01:44:35,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:44:35,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:44:35,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:44:35,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:44:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:44:35,442 INFO L87 Difference]: Start difference. First operand 13825 states and 18666 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 01:44:37,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:44:37,837 INFO L93 Difference]: Finished difference Result 27454 states and 37064 transitions. [2021-11-17 01:44:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:44:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 233 [2021-11-17 01:44:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:44:37,878 INFO L225 Difference]: With dead ends: 27454 [2021-11-17 01:44:37,878 INFO L226 Difference]: Without dead ends: 13671 [2021-11-17 01:44:37,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:44:37,904 INFO L933 BasicCegarLoop]: 1994 mSDtfsCounter, 5 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:44:37,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 7961 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 01:44:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13671 states. [2021-11-17 01:44:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13671 to 13587. [2021-11-17 01:44:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13587 states, 9993 states have (on average 1.3165215650955668) internal successors, (13156), 10066 states have internal predecessors, (13156), 2585 states have call successors, (2585), 994 states have call predecessors, (2585), 1008 states have return successors, (2635), 2566 states have call predecessors, (2635), 2584 states have call successors, (2635) [2021-11-17 01:44:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13587 states to 13587 states and 18376 transitions. [2021-11-17 01:44:38,275 INFO L78 Accepts]: Start accepts. Automaton has 13587 states and 18376 transitions. Word has length 233 [2021-11-17 01:44:38,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:44:38,275 INFO L470 AbstractCegarLoop]: Abstraction has 13587 states and 18376 transitions. [2021-11-17 01:44:38,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 01:44:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13587 states and 18376 transitions. [2021-11-17 01:44:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-17 01:44:38,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:44:38,288 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 3, 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] [2021-11-17 01:44:38,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 01:44:38,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-17 01:44:38,516 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:44:38,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:44:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1526845839, now seen corresponding path program 1 times [2021-11-17 01:44:38,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:44:38,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503670317] [2021-11-17 01:44:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:38,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:44:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:44:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:44:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:44:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:44:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:44:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:44:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:44:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:44:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:44:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:44:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:44:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:44:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:44:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:44:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:44:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:44:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:44:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 01:44:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:44:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 01:44:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:44:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 01:44:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 01:44:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:44:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 01:44:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-11-17 01:44:39,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:44:39,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503670317] [2021-11-17 01:44:39,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503670317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:44:39,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060648884] [2021-11-17 01:44:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:39,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:44:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:44:39,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:44:39,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:44:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:42,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 5673 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 01:44:42,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:44:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 224 proven. 1 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-17 01:44:42,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:44:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-11-17 01:44:43,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060648884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:44:43,361 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 01:44:43,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-11-17 01:44:43,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678252306] [2021-11-17 01:44:43,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 01:44:43,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 01:44:43,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:44:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 01:44:43,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:44:43,366 INFO L87 Difference]: Start difference. First operand 13587 states and 18376 transitions. Second operand has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-17 01:44:45,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:46,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:47,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:49,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:52,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:54,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:02,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:04,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:45:07,303 INFO L93 Difference]: Finished difference Result 27818 states and 37718 transitions. [2021-11-17 01:45:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 01:45:07,304 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 238 [2021-11-17 01:45:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:45:07,341 INFO L225 Difference]: With dead ends: 27818 [2021-11-17 01:45:07,342 INFO L226 Difference]: Without dead ends: 14245 [2021-11-17 01:45:07,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2021-11-17 01:45:07,434 INFO L933 BasicCegarLoop]: 1815 mSDtfsCounter, 1115 mSDsluCounter, 7230 mSDsCounter, 0 mSdLazyCounter, 4236 mSolverCounterSat, 1191 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 9045 SdHoareTripleChecker+Invalid, 5433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 4236 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:45:07,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1178 Valid, 9045 Invalid, 5433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 4236 Invalid, 6 Unknown, 0 Unchecked, 23.2s Time] [2021-11-17 01:45:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14245 states. [2021-11-17 01:45:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14245 to 13604. [2021-11-17 01:45:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13604 states, 10010 states have (on average 1.315984015984016) internal successors, (13173), 10083 states have internal predecessors, (13173), 2585 states have call successors, (2585), 994 states have call predecessors, (2585), 1008 states have return successors, (2635), 2566 states have call predecessors, (2635), 2584 states have call successors, (2635) [2021-11-17 01:45:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13604 states to 13604 states and 18393 transitions. [2021-11-17 01:45:07,800 INFO L78 Accepts]: Start accepts. Automaton has 13604 states and 18393 transitions. Word has length 238 [2021-11-17 01:45:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:45:07,801 INFO L470 AbstractCegarLoop]: Abstraction has 13604 states and 18393 transitions. [2021-11-17 01:45:07,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-17 01:45:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 13604 states and 18393 transitions. [2021-11-17 01:45:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 01:45:07,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:45:07,811 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 01:45:07,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:45:08,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-17 01:45:08,028 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:45:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:45:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1951420665, now seen corresponding path program 2 times [2021-11-17 01:45:08,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:45:08,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16338702] [2021-11-17 01:45:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:45:08,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:45:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 01:45:13,212 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-17 01:45:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 01:45:15,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-17 01:45:15,186 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-17 01:45:15,187 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 01:45:15,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 01:45:15,190 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:45:15,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 01:45:15,228 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 01:45:15,251 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) [2021-11-17 01:45:15,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:45:15 BoogieIcfgContainer [2021-11-17 01:45:15,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 01:45:15,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 01:45:15,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 01:45:15,457 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 01:45:15,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:39:47" (3/4) ... [2021-11-17 01:45:15,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-17 01:45:15,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 01:45:15,460 INFO L158 Benchmark]: Toolchain (without parser) took 340598.93ms. Allocated memory was 88.1MB in the beginning and 1.0GB in the end (delta: 935.3MB). Free memory was 62.7MB in the beginning and 415.6MB in the end (delta: -352.9MB). Peak memory consumption was 581.1MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,461 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:45:15,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1565.52ms. Allocated memory was 88.1MB in the beginning and 180.4MB in the end (delta: 92.3MB). Free memory was 62.4MB in the beginning and 88.6MB in the end (delta: -26.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.89ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 93.1MB in the end (delta: -4.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,462 INFO L158 Benchmark]: Boogie Preprocessor took 247.34ms. Allocated memory is still 180.4MB. Free memory was 93.1MB in the beginning and 89.0MB in the end (delta: 4.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,462 INFO L158 Benchmark]: RCFGBuilder took 10593.44ms. Allocated memory was 180.4MB in the beginning and 457.2MB in the end (delta: 276.8MB). Free memory was 89.0MB in the beginning and 147.7MB in the end (delta: -58.7MB). Peak memory consumption was 271.2MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,466 INFO L158 Benchmark]: TraceAbstraction took 327932.00ms. Allocated memory was 457.2MB in the beginning and 1.0GB in the end (delta: 566.2MB). Free memory was 146.6MB in the beginning and 415.9MB in the end (delta: -269.3MB). Peak memory consumption was 589.6MB. Max. memory is 16.1GB. [2021-11-17 01:45:15,467 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 1.0GB. Free memory was 415.9MB in the beginning and 415.6MB in the end (delta: 334.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:45:15,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1565.52ms. Allocated memory was 88.1MB in the beginning and 180.4MB in the end (delta: 92.3MB). Free memory was 62.4MB in the beginning and 88.6MB in the end (delta: -26.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 252.89ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 93.1MB in the end (delta: -4.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.34ms. Allocated memory is still 180.4MB. Free memory was 93.1MB in the beginning and 89.0MB in the end (delta: 4.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * RCFGBuilder took 10593.44ms. Allocated memory was 180.4MB in the beginning and 457.2MB in the end (delta: 276.8MB). Free memory was 89.0MB in the beginning and 147.7MB in the end (delta: -58.7MB). Peak memory consumption was 271.2MB. Max. memory is 16.1GB. * TraceAbstraction took 327932.00ms. Allocated memory was 457.2MB in the beginning and 1.0GB in the end (delta: 566.2MB). Free memory was 146.6MB in the beginning and 415.9MB in the end (delta: -269.3MB). Peak memory consumption was 589.6MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 1.0GB. Free memory was 415.9MB in the beginning and 415.6MB in the end (delta: 334.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) * 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: 4280]: 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 7276, overapproximation of bitwiseAnd at line 8031. Possible FailurePath: [L4303] int LDV_IN_INTERRUPT = 1; [L4304] struct file *acm_ops_group0 ; [L4305] int ldv_state_variable_6 ; [L4306] int ldv_state_variable_0 ; [L4307] int ldv_state_variable_5 ; [L4308] int ldv_state_variable_3 ; [L4309] struct tty_port *acm_port_ops_group1 ; [L4310] int ldv_state_variable_2 ; [L4311] struct tty_struct *acm_ops_group1 ; [L4312] int ref_cnt ; [L4313] struct usb_interface *acm_driver_group1 ; [L4314] int ldv_state_variable_1 ; [L4315] int usb_counter ; [L4316] int ldv_state_variable_4 ; [L4742] static struct tty_driver *acm_tty_driver ; [L4743] static struct acm *acm_table[32U] ; [L4744-L4747] static struct mutex acm_table_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "acm_table_lock.wait_lock", 0, 0UL}}}}, {& acm_table_lock.wait_list, & acm_table_lock.wait_list}, 0, 0, (void *)(& acm_table_lock), {0, {0, 0}, "acm_table_lock", 0, 0UL}}; [L4925-L4928] static struct device_attribute dev_attr_bmCapabilities = {{"bmCapabilities", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_caps, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L4948-L4951] static struct device_attribute dev_attr_wCountryCodes = {{"wCountryCodes", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_country_codes, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L4969-L4972] static struct device_attribute dev_attr_iCountryCodeRelDate = {{"iCountryCodeRelDate", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_country_rel_date, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L6052] static struct tty_port_operations const acm_port_ops = {0, & acm_port_dtr_rts, & acm_port_shutdown, & acm_port_activate, & acm_port_destruct}; [L6994-L7230] static struct usb_device_id const acm_ids[99U] = { {3U, 6127U, 28672U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2160U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3725U, 3U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3725U, 13097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1154U, 515U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1947U, 15U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2766U, 5634U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 2766U, 5640U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 2766U, 5649U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 8888U, 28672U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2051U, 12437U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1394U, 4897U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1394U, 4900U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1394U, 4904U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 25637U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8888U, 11665U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8888U, 11666U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11667U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11669U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11670U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11671U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11673U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 8888U, 11674U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1394U, 4905U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1394U, 4928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1529U, 16386U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 7099U, 3U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 5494U, 945U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {899U, 1057U, 1069U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1240U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1225U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1049U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1101U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1141U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1288U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1048U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1061U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1247U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 14U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1093U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1071U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1166U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1254U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1202U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 308U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1134U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 47U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 136U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 252U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 66U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 176U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 171U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1153U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 7U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 113U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1264U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 112U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 233U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 153U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 296U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 143U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 160U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 123U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 148U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 58U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 233U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 264U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 376U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 270U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 464U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 547U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 629U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 620U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 340U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1230U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 468U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 821U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 973U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1255U, 26193U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {3U, 1003U, 48U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1684U, 65280U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 8UL}, {3U, 1240U, 11U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 16UL}, {3U, 1240U, 130U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 32UL}, {3U, 1240U, 131U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 32UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 0U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 1U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 2U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 3U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 4U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 5U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 6U, (unsigned char)0, 0UL}}; [L7231] struct usb_device_id const __mod_usb__acm_ids_device_table ; [L7232-L7244] static struct usb_driver acm_driver = {"cdc_acm", & acm_probe, & acm_disconnect, 0, & acm_suspend, & acm_resume, & acm_reset_resume, 0, 0, (struct usb_device_id const *)(& acm_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, 1U, (unsigned char)0}; [L7245-L7250] static struct tty_operations const acm_ops = {0, & acm_tty_install, 0, & acm_tty_open, & acm_tty_close, 0, & acm_tty_cleanup, & acm_tty_write, 0, 0, & acm_tty_write_room, & acm_tty_chars_in_buffer, & acm_tty_ioctl, 0, & acm_tty_set_termios, & acm_tty_throttle, & acm_tty_unthrottle, 0, 0, & acm_tty_hangup, & acm_tty_break_ctl, 0, 0, 0, 0, & acm_tty_tiocmget, & acm_tty_tiocmset, 0, 0, 0, 0, 0, 0, 0}; [L7296] int ldv_retval_2 ; [L7297] int ldv_retval_0 ; [L7298] int ldv_retval_5 ; [L7299] int ldv_retval_4 ; [L7300] int ldv_retval_6 ; [L7302] int ldv_retval_1 ; [L7304] int ldv_retval_3 ; [L8027] int ldv_spin = 0; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L7337] char *ldvarg1 ; [L7338] void *tmp ; [L7339] struct device *ldvarg0 ; [L7340] void *tmp___0 ; [L7341] struct device_attribute *ldvarg2 ; [L7342] void *tmp___1 ; [L7343] char *ldvarg4 ; [L7344] void *tmp___2 ; [L7345] struct device *ldvarg3 ; [L7346] void *tmp___3 ; [L7347] struct device_attribute *ldvarg5 ; [L7348] void *tmp___4 ; [L7349] struct ktermios *ldvarg11 ; [L7350] void *tmp___5 ; [L7351] unsigned int ldvarg7 ; [L7352] unsigned int tmp___6 ; [L7353] int ldvarg12 ; [L7354] int tmp___7 ; [L7355] unsigned int ldvarg6 ; [L7356] unsigned int tmp___8 ; [L7357] struct tty_driver *ldvarg8 ; [L7358] void *tmp___9 ; [L7359] unsigned char *ldvarg14 ; [L7360] void *tmp___10 ; [L7361] int ldvarg13 ; [L7362] int tmp___11 ; [L7363] unsigned int ldvarg10 ; [L7364] unsigned int tmp___12 ; [L7365] unsigned long ldvarg9 ; [L7366] unsigned long tmp___13 ; [L7367] struct tty_struct *ldvarg16 ; [L7368] void *tmp___14 ; [L7369] int ldvarg15 ; [L7370] int tmp___15 ; [L7371] struct usb_device_id *ldvarg18 ; [L7372] void *tmp___16 ; [L7373] pm_message_t ldvarg17 ; [L7374] struct device_attribute *ldvarg21 ; [L7375] void *tmp___17 ; [L7376] char *ldvarg20 ; [L7377] void *tmp___18 ; [L7378] struct device *ldvarg19 ; [L7379] void *tmp___19 ; [L7380] int tmp___20 ; [L7381] int tmp___21 ; [L7382] int tmp___22 ; [L7383] int tmp___23 ; [L7384] int tmp___24 ; [L7385] int tmp___25 ; [L7386] int tmp___26 ; [L7387] int tmp___27 ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg17={246:0}, ref_cnt=0, usb_counter=0] [L7389] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7389] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg17={246:0}, ref_cnt=0, usb_counter=0] [L7389] tmp = ldv_zalloc(1UL) [L7390] ldvarg1 = (char *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg1={0:0}, ldvarg17={246:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L7391] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7391] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L7391] tmp___0 = ldv_zalloc(1416UL) [L7392] ldvarg0 = (struct device *)tmp___0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L7393] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7393] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L7393] tmp___1 = ldv_zalloc(48UL) [L7394] ldvarg2 = (struct device_attribute *)tmp___1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L7395] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7395] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L7395] tmp___2 = ldv_zalloc(1UL) [L7396] ldvarg4 = (char *)tmp___2 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0] [L7397] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7397] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0] [L7397] tmp___3 = ldv_zalloc(1416UL) [L7398] ldvarg3 = (struct device *)tmp___3 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, usb_counter=0] [L7399] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7399] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, usb_counter=0] [L7399] tmp___4 = ldv_zalloc(48UL) [L7400] ldvarg5 = (struct device_attribute *)tmp___4 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, usb_counter=0] [L7401] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=44, tmp___0=1, usb_counter=0] [L7401] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(44UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, usb_counter=0] [L7401] tmp___5 = ldv_zalloc(44UL) [L7402] ldvarg11 = (struct ktermios *)tmp___5 [L7403] tmp___6 = __VERIFIER_nondet_uint() [L7404] ldvarg7 = tmp___6 [L7405] tmp___7 = __VERIFIER_nondet_int() [L7406] ldvarg12 = tmp___7 [L7407] tmp___8 = __VERIFIER_nondet_uint() [L7408] ldvarg6 = tmp___8 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, usb_counter=0] [L7409] CALL, EXPR ldv_zalloc(184UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=184, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=184, tmp___0=1, usb_counter=0] [L7409] RET, EXPR ldv_zalloc(184UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(184UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, usb_counter=0] [L7409] tmp___9 = ldv_zalloc(184UL) [L7410] ldvarg8 = (struct tty_driver *)tmp___9 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7411] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7411] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7411] tmp___10 = ldv_zalloc(1UL) [L7412] ldvarg14 = (unsigned char *)tmp___10 [L7413] tmp___11 = __VERIFIER_nondet_int() [L7414] ldvarg13 = tmp___11 [L7415] tmp___12 = __VERIFIER_nondet_uint() [L7416] ldvarg10 = tmp___12 [L7417] tmp___13 = __VERIFIER_nondet_ulong() [L7418] ldvarg9 = tmp___13 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7419] CALL, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1752, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1752, tmp___0=1, usb_counter=0] [L7419] RET, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1752UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7419] tmp___14 = ldv_zalloc(1752UL) [L7420] ldvarg16 = (struct tty_struct *)tmp___14 [L7421] tmp___15 = __VERIFIER_nondet_int() [L7422] ldvarg15 = tmp___15 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7423] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=32, tmp___0=1, usb_counter=0] [L7423] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7423] tmp___16 = ldv_zalloc(32UL) [L7424] ldvarg18 = (struct usb_device_id *)tmp___16 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7425] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7425] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7425] tmp___17 = ldv_zalloc(48UL) [L7426] ldvarg21 = (struct device_attribute *)tmp___17 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7427] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7427] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7427] tmp___18 = ldv_zalloc(1UL) [L7428] ldvarg20 = (char *)tmp___18 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7429] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7429] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7429] tmp___19 = ldv_zalloc(1416UL) [L7430] ldvarg19 = (struct device *)tmp___19 [L7431] FCALL ldv_initialize() [L7432] FCALL memset((void *)(& ldvarg17), 0, 4UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, memset((void *)(& ldvarg17), 0, 4UL)={246:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7433] ldv_state_variable_6 = 0 [L7434] ldv_state_variable_4 = 0 [L7435] ldv_state_variable_1 = 0 [L7436] ref_cnt = 0 [L7437] ldv_state_variable_0 = 1 [L7438] ldv_state_variable_3 = 0 [L7439] ldv_state_variable_2 = 0 [L7440] ldv_state_variable_5 = 0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: [L7660] case 3: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7661] COND TRUE ldv_state_variable_0 != 0 [L7662] tmp___24 = __VERIFIER_nondet_int() [L7664] case 0: [L7672] case 1: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, usb_counter=0] [L7673] COND TRUE ldv_state_variable_0 == 1 [L7674] CALL, EXPR acm_init() [L7253] int retval ; [L7255] CALL, EXPR alloc_tty_driver(32U) [L4378] struct tty_driver *ret ; [L4379] struct tty_driver *tmp ; [L4380] bool tmp___0 ; [L4382] CALL, EXPR __tty_alloc_driver(lines, & __this_module, 0UL) [L8111] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4226] void *p ; [L4227] void *tmp ; [L4228] int tmp___0 ; [L4230] tmp___0 = __VERIFIER_nondet_int() [L4231] COND FALSE !(tmp___0 != 0) [L4234] tmp = malloc(size) [L4235] p = tmp VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4236] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4221] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, cond=1, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4236] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4237] CALL, EXPR IS_ERR(p) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4009] long tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, c=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, exp=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4011] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4012] return (tmp != 0L); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, usb_counter=0] [L4237] RET, EXPR IS_ERR(p) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4237] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4221] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, cond=1, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4237] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4238] return (p); VAL [\old(size)=184, \result={-18446744073709551615:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L8111] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, \old(arg2)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, arg0=32, arg1={4294967360:4294967329}, arg1={4294967360:4294967329}, arg2=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L8111] return ldv_malloc(sizeof(struct tty_driver)); [L4382] RET, EXPR __tty_alloc_driver(lines, & __this_module, 0UL) [L4382] tmp = __tty_alloc_driver(lines, & __this_module, 0UL) [L4383] ret = tmp VAL [\old(lines)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4384] CALL, EXPR IS_ERR((void const *)ret) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4009] long tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, c=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, exp=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4011] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4012] return (tmp != 0L); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, usb_counter=0] [L4384] RET, EXPR IS_ERR((void const *)ret) VAL [\old(lines)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, IS_ERR((void const *)ret)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4384] tmp___0 = IS_ERR((void const *)ret) [L4385] COND FALSE !((int )tmp___0) [L4389] return (ret); VAL [\old(lines)=32, \result={-18446744073709551615:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L7255] RET, EXPR alloc_tty_driver(32U) [L7255] acm_tty_driver = alloc_tty_driver(32U) [L7256] COND FALSE !((unsigned long )acm_tty_driver == (unsigned long )((struct tty_driver *)0)) [L7260] acm_tty_driver->driver_name = "acm" [L7261] acm_tty_driver->name = "ttyACM" [L7262] acm_tty_driver->major = 166 [L7263] acm_tty_driver->minor_start = 0 [L7264] acm_tty_driver->type = 3 [L7265] acm_tty_driver->subtype = 1 [L7266] acm_tty_driver->flags = 12UL [L7267] acm_tty_driver->init_termios = tty_std_termios [L7268] acm_tty_driver->init_termios.c_cflag = 3261U [L7269] FCALL tty_set_operations(acm_tty_driver, & acm_ops) [L7270] CALL, EXPR tty_register_driver(acm_tty_driver) [L8250] return __VERIFIER_nondet_int(); [L7270] RET, EXPR tty_register_driver(acm_tty_driver) [L7270] retval = tty_register_driver(acm_tty_driver) [L7271] COND FALSE !(retval != 0) [L7276] CALL, EXPR ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L8007] ldv_func_ret_type___2 ldv_func_res ; [L8008] int tmp ; [L8010] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8336] return __VERIFIER_nondet_int(); [L8010] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8010] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8011] ldv_func_res = tmp [L8012] ldv_state_variable_2 = 1 [L8013] usb_counter = 0 [L8014] CALL ldv_usb_driver_2() [L7307] void *tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7309] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1560, tmp___0=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L7309] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7309] tmp = ldv_zalloc(1560UL) [L7310] acm_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L8014] RET ldv_usb_driver_2() [L8015] return (ldv_func_res); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, ldv_func_arg1={223:0}, ldv_func_arg1={223:0}, ldv_func_arg2={4294967360:4294967329}, ldv_func_arg2={4294967360:4294967329}, ldv_func_arg3={216:0}, ldv_func_arg3={216:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tmp=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7276] RET, EXPR ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L7276] retval = ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L7277] COND FALSE !(retval != 0) [L7284] return (0); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, retval=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7674] RET, EXPR acm_init() [L7674] ldv_retval_1 = acm_init() [L7675] COND TRUE ldv_retval_1 == 0 [L7676] ldv_state_variable_0 = 3 [L7677] ldv_state_variable_5 = 1 [L7678] ldv_state_variable_3 = 1 [L7679] CALL ldv_tty_port_operations_3() [L7316] void *tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7318] CALL, EXPR ldv_zalloc(1064UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1064, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=1064, tmp___0=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L7318] RET, EXPR ldv_zalloc(1064UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(1064UL)={0:0}, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7318] tmp = ldv_zalloc(1064UL) [L7319] acm_port_ops_group1 = (struct tty_port *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7679] RET ldv_tty_port_operations_3() [L7680] ldv_state_variable_1 = 1 [L7681] CALL ldv_initialize_tty_operations_1() [L7325] void *tmp ; [L7326] void *tmp___0 ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7328] CALL, EXPR ldv_zalloc(512UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=512, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=512, tmp___0=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L7328] RET, EXPR ldv_zalloc(512UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(512UL)={0:0}, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L7328] tmp = ldv_zalloc(512UL) [L7329] acm_ops_group0 = (struct file *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7330] CALL, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1752, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=1752, tmp___0=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L7330] RET, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(1752UL)={0:0}, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7330] tmp___0 = ldv_zalloc(1752UL) [L7331] acm_ops_group1 = (struct tty_struct *)tmp___0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7681] RET ldv_initialize_tty_operations_1() [L7682] ldv_state_variable_4 = 1 [L7683] ldv_state_variable_6 = 1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7686] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7481] COND TRUE ldv_state_variable_1 != 0 [L7482] tmp___23 = __VERIFIER_nondet_int() [L7484] case 0: [L7491] case 1: [L7503] case 2: [L7515] case 3: [L7527] case 4: [L7534] case 5: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7535] COND TRUE ldv_state_variable_1 == 1 [L7536] CALL, EXPR acm_tty_open(acm_ops_group1, acm_ops_group0) [L5316] struct acm *acm ; [L5317] struct _ddebug descriptor ; [L5318] long tmp ; [L5319] int tmp___0 ; [L5321] EXPR tty->driver_data [L5321] acm = (struct acm *)tty->driver_data [L5322] descriptor.modname = "cdc_acm" [L5323] descriptor.function = "acm_tty_open" [L5324] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/8107/dscv_tempdir/dscv/ri/43_2a/drivers/usb/class/cdc-acm.o.c.prepared" [L5325] descriptor.format = "%s\n" [L5326] descriptor.lineno = 539U [L5327] descriptor.flags = 0U [L5328] EXPR descriptor.flags VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={219:0}, descriptor.flags=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, filp={0:0}, filp={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L5328] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, c=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, exp=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty_std_termios={4294967386:-61}, usb_counter=0] [L5328] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={219:0}, descriptor.flags=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, filp={0:0}, filp={0:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L5328] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L5329] COND FALSE !(tmp != 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={219:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, filp={0:0}, filp={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tmp=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L5333] CALL, EXPR tty_port_open(& acm->port, tty, filp) [L8231] return __VERIFIER_nondet_int(); [L5333] RET, EXPR tty_port_open(& acm->port, tty, filp) [L5333] tmp___0 = tty_port_open(& acm->port, tty, filp) [L5334] return (tmp___0); [L5334] return (tmp___0); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, filp={0:0}, filp={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tmp=0, tmp___0=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7536] RET, EXPR acm_tty_open(acm_ops_group1, acm_ops_group0) [L7536] ldv_retval_0 = acm_tty_open(acm_ops_group1, acm_ops_group0) [L7537] COND TRUE ldv_retval_0 == 0 [L7538] ldv_state_variable_1 = 2 [L7539] ref_cnt = ref_cnt + 1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7481] COND TRUE ldv_state_variable_1 != 0 [L7482] tmp___23 = __VERIFIER_nondet_int() [L7484] case 0: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=93, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=249, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={246:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=46, ldvarg7=67, ldvarg8={0:0}, ldvarg9=4294967318, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=249, tmp___12=93, tmp___13=4294967318, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=0, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=67, tmp___7=-2, tmp___8=46, tmp___9={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L7485] COND TRUE ldv_state_variable_1 == 2 [L7486] CALL acm_tty_write(acm_ops_group1, (unsigned char const *)ldvarg14, ldvarg13) [L5601] struct acm *acm ; [L5602] int stat ; [L5603] unsigned long flags ; [L5604] int wbn ; [L5605] struct acm_wb *wb ; [L5606] size_t __len ; [L5607] void *__ret ; [L5609] EXPR tty->driver_data [L5609] acm = (struct acm *)tty->driver_data [L5610] COND FALSE !(count == 0) VAL [\old(count)=249, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=249, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L5614] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L8064] ldv_spin = 1 VAL [\old(ldv_spin)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L5614] RET ldv_spin_lock() VAL [\old(count)=249, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=249, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0] [L5615] CALL, EXPR acm_wb_alloc(acm) [L4837] int i ; [L4838] int wbn ; [L4839] struct acm_wb *wb ; [L4841] wbn = 0 [L4842] i = 0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0, wbn=0] [L4844] wb = (struct acm_wb *)(& acm->wb) + (unsigned long )wbn [L4845] EXPR wb->use VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wb->use=0, wbn=0] [L4845] COND TRUE wb->use == 0 [L4846] wb->use = 1 [L4847] return (wbn); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wbn=0] [L5615] RET, EXPR acm_wb_alloc(acm) [L5615] wbn = acm_wb_alloc(acm) [L5616] COND FALSE !(wbn < 0) [L5621] wb = (struct acm_wb *)(& acm->wb) + (unsigned long )wbn [L5622] EXPR acm->dev VAL [\old(count)=249, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm->dev={-246:247}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=249, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wbn=0] [L5622] COND FALSE !((unsigned long )acm->dev == (unsigned long )((struct usb_device *)0)) [L5628] EXPR acm->writesize VAL [\old(count)=249, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm->writesize=4294967296, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=249, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wbn=0] [L5628] EXPR acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count [L5628] EXPR acm->writesize [L5628] EXPR acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count VAL [\old(count)=249, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm->writesize=4294967296, acm->writesize=4294967296, acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count=4294967296, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=249, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wbn=0] [L5628] count = (int )(acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count) [L5629] __len = (size_t )count [L5630] EXPR wb->buf VAL [\old(count)=249, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wb->buf={4294967351:954}, wbn=0] [L5630] EXPR, FCALL memcpy((void *)wb->buf, (void const *)buf, __len) VAL [\old(count)=249, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, memcpy((void *)wb->buf, (void const *)buf, __len)={4294967351:954}, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wb->buf={4294967351:954}, wbn=0] [L5630] __ret = memcpy((void *)wb->buf, (void const *)buf, __len) [L5631] wb->len = count [L5632] EXPR acm->control [L5632] CALL, EXPR usb_autopm_get_interface_async(acm->control) [L8288] return __VERIFIER_nondet_int(); [L5632] RET, EXPR usb_autopm_get_interface_async(acm->control) [L5632] stat = usb_autopm_get_interface_async(acm->control) [L5633] COND FALSE !(stat != 0) [L5639] EXPR acm->susp_count VAL [\old(count)=249, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __ret={4294967351:954}, __this_module={4294967360:4294967329}, acm={4294967351:-24}, acm->susp_count=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, stat=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967386:-61}, usb_counter=0, wb={4294967351:1034}, wbn=0] [L5639] COND FALSE !(acm->susp_count != 0U) [L5645] CALL acm_start_wb(acm, wb) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L4892] int rc ; [L4894] EXPR acm->transmitting [L4894] acm->transmitting = acm->transmitting + 1 [L4895] EXPR wb->urb [L4895] EXPR wb->buf [L4895] (wb->urb)->transfer_buffer = (void *)wb->buf [L4896] EXPR wb->urb [L4896] EXPR wb->dmah [L4896] (wb->urb)->transfer_dma = wb->dmah [L4897] EXPR wb->urb [L4897] EXPR wb->len [L4897] (wb->urb)->transfer_buffer_length = (u32 )wb->len [L4898] EXPR wb->urb [L4898] EXPR acm->dev [L4898] (wb->urb)->dev = acm->dev [L4899] EXPR wb->urb [L4899] CALL ldv_usb_submit_urb_19(wb->urb, 32U) [L7907] int tmp ; VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, flags=32, ldv_func_arg1={4294967356:0}, ldv_func_arg1={4294967356:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L7909] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L8031] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, flags=32, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L8033] CALL ldv_error() VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] [L4280] reach_error() VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967360:4294967329}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={243:0}, acm_ops={234:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={244:0}, acm_port_ops_group1={0:0}, acm_table={220:0}, acm_table_lock={228:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={230:0}, dev_attr_iCountryCodeRelDate={226:0}, dev_attr_wCountryCodes={222:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967386:-61}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 83 procedures, 1448 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 327.6s, OverallIterations: 15, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 304.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 94 mSolverCounterUnknown, 27847 SdHoareTripleChecker+Valid, 296.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25788 mSDsluCounter, 104084 SdHoareTripleChecker+Invalid, 280.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74574 mSDsCounter, 18950 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39772 IncrementalHoareTripleChecker+Invalid, 58816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18950 mSolverCounterUnsat, 29510 mSDtfsCounter, 39772 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1415 SyntacticMatches, 1 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13825occurred in iteration=12, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 9008 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 10.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3381 NumberOfCodeBlocks, 3381 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3361 ConstructedInterpolants, 0 QuantifiedInterpolants, 6264 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11257 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 9004/9008 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-17 01:45:15,691 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-17 01:45:15,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:45:17,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:45:17,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:45:17,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:45:17,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:45:17,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:45:17,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:45:17,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:45:17,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:45:17,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:45:17,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:45:17,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:45:17,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:45:17,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:45:17,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:45:17,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:45:17,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:45:17,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:45:17,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:45:17,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:45:17,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:45:17,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:45:17,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:45:17,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:45:17,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:45:17,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:45:17,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:45:17,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:45:17,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:45:17,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:45:17,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:45:17,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:45:17,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:45:17,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:45:17,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:45:17,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:45:17,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:45:17,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:45:17,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:45:17,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:45:17,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:45:17,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-17 01:45:17,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:45:17,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:45:17,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:45:17,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:45:17,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:45:17,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:45:17,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:45:17,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:45:17,470 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:45:17,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:45:17,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:45:17,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:45:17,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-17 01:45:17,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-17 01:45:17,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:45:17,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:45:17,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:45:17,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:45:17,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-17 01:45:17,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2021-11-17 01:45:17,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:45:17,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:45:17,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:45:17,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:45:17,754 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:45:17,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:45:17,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb49cbfae/d51d08ea93ee4d8993673223986fcb9e/FLAGb39a5ba2b [2021-11-17 01:45:18,364 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:45:18,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:45:18,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb49cbfae/d51d08ea93ee4d8993673223986fcb9e/FLAGb39a5ba2b [2021-11-17 01:45:18,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb49cbfae/d51d08ea93ee4d8993673223986fcb9e [2021-11-17 01:45:18,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:45:18,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:45:18,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:45:18,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:45:18,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:45:18,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:45:18" (1/1) ... [2021-11-17 01:45:18,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:18, skipping insertion in model container [2021-11-17 01:45:18,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:45:18" (1/1) ... [2021-11-17 01:45:18,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:45:18,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:45:19,092 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-11-17 01:45:19,092 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-11-17 01:45:19,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-11-17 01:45:20,023 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:45:20,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:45:20,160 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-11-17 01:45:20,161 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-11-17 01:45:20,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-11-17 01:45:20,358 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:45:20,478 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:45:20,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20 WrapperNode [2021-11-17 01:45:20,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:45:20,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:45:20,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:45:20,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:45:20,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,739 INFO L137 Inliner]: procedures = 279, calls = 3505, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6158 [2021-11-17 01:45:20,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:45:20,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:45:20,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:45:20,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:45:20,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:20,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:21,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:21,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:45:21,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:45:21,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:45:21,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:45:21,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (1/1) ... [2021-11-17 01:45:21,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:45:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:45:21,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:45:21,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:45:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-17 01:45:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-17 01:45:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-17 01:45:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-17 01:45:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-17 01:45:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-17 01:45:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 01:45:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 01:45:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-17 01:45:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:45:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:45:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:45:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-17 01:45:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-17 01:45:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-17 01:45:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-17 01:45:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 01:45:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 01:45:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:45:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:45:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:45:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:45:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-17 01:45:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-17 01:45:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-17 01:45:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-17 01:45:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-17 01:45:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-17 01:45:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:45:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:45:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-17 01:45:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-17 01:45:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:45:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:45:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-17 01:45:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-17 01:45:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-17 01:45:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-17 01:45:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:45:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:45:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:45:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:45:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:45:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:45:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-17 01:45:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-17 01:45:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-17 01:45:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-17 01:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-17 01:45:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-17 01:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 01:45:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 01:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 01:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-17 01:45:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-17 01:45:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 01:45:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 01:45:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:45:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-17 01:45:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-17 01:45:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-17 01:45:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-17 01:45:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:45:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:45:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:45:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:45:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 01:45:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 01:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-17 01:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-17 01:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-17 01:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-17 01:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-17 01:45:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-17 01:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:45:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-17 01:45:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-17 01:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 01:45:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 01:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-17 01:45:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-17 01:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-17 01:45:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-17 01:45:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-17 01:45:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-17 01:45:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:45:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:45:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 01:45:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 01:45:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-17 01:45:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-17 01:45:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:45:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:45:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-17 01:45:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-17 01:45:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-17 01:45:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-17 01:45:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-17 01:45:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-17 01:45:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:45:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:45:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 01:45:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 01:45:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-17 01:45:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-17 01:45:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-17 01:45:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-17 01:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 01:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 01:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-17 01:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-17 01:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-17 01:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-17 01:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 01:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 01:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-17 01:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-17 01:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-17 01:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-17 01:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-17 01:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-17 01:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:45:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:45:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-17 01:45:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-17 01:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-17 01:45:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 01:45:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 01:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:45:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-17 01:45:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-17 01:45:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 01:45:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 01:45:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-17 01:45:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-17 01:45:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-17 01:45:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-17 01:45:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-17 01:45:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-17 01:45:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-17 01:45:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-17 01:45:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 01:45:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 01:45:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 01:45:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 01:45:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 01:45:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 01:45:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-17 01:45:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:45:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-17 01:45:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-17 01:45:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 01:45:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 01:45:21,836 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:45:21,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:45:22,097 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:45:56,386 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:45:56,397 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:45:56,397 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:45:56,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:45:56 BoogieIcfgContainer [2021-11-17 01:45:56,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:45:56,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:45:56,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:45:56,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:45:56,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:45:18" (1/3) ... [2021-11-17 01:45:56,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef5e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:45:56, skipping insertion in model container [2021-11-17 01:45:56,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:45:20" (2/3) ... [2021-11-17 01:45:56,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef5e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:45:56, skipping insertion in model container [2021-11-17 01:45:56,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:45:56" (3/3) ... [2021-11-17 01:45:56,405 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-17 01:45:56,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:45:56,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:45:56,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:45:56,460 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 01:45:56,461 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:45:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1034 states have (on average 1.3375241779497098) internal successors, (1383), 1049 states have internal predecessors, (1383), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2021-11-17 01:45:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-17 01:45:56,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:45:56,509 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:45:56,510 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:45:56,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:45:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1676759204, now seen corresponding path program 1 times [2021-11-17 01:45:56,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:45:56,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562984744] [2021-11-17 01:45:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:45:56,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:45:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:45:56,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:45:56,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-17 01:45:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:57,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:45:57,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:45:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:45:58,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:46:00,111 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:00,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562984744] [2021-11-17 01:46:00,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562984744] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:46:00,111 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:46:00,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:46:00,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972412661] [2021-11-17 01:46:00,113 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:46:00,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:46:00,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:46:00,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:46:00,134 INFO L87 Difference]: Start difference. First operand has 1447 states, 1034 states have (on average 1.3375241779497098) internal successors, (1383), 1049 states have internal predecessors, (1383), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 01:46:00,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:46:00,946 INFO L93 Difference]: Finished difference Result 2898 states and 4152 transitions. [2021-11-17 01:46:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:46:00,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2021-11-17 01:46:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:46:00,964 INFO L225 Difference]: With dead ends: 2898 [2021-11-17 01:46:00,964 INFO L226 Difference]: Without dead ends: 1432 [2021-11-17 01:46:00,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:46:00,974 INFO L933 BasicCegarLoop]: 2027 mSDtfsCounter, 6 mSDsluCounter, 6070 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8097 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:46:00,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 8097 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 01:46:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2021-11-17 01:46:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2021-11-17 01:46:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1030 states have (on average 1.329126213592233) internal successors, (1369), 1035 states have internal predecessors, (1369), 320 states have call successors, (320), 82 states have call predecessors, (320), 81 states have return successors, (319), 319 states have call predecessors, (319), 319 states have call successors, (319) [2021-11-17 01:46:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2008 transitions. [2021-11-17 01:46:01,121 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2008 transitions. Word has length 130 [2021-11-17 01:46:01,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:46:01,122 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2008 transitions. [2021-11-17 01:46:01,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 01:46:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2008 transitions. [2021-11-17 01:46:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 01:46:01,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:46:01,133 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:46:01,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-17 01:46:01,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:46:01,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:46:01,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:46:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1101806108, now seen corresponding path program 1 times [2021-11-17 01:46:01,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:46:01,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467892383] [2021-11-17 01:46:01,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:46:01,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:46:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:46:01,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:46:01,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-17 01:46:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:46:02,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 01:46:02,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:46:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:46:03,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-17 01:46:05,754 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:05,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467892383] [2021-11-17 01:46:05,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467892383] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:46:05,755 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:46:05,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-17 01:46:05,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289468355] [2021-11-17 01:46:05,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:46:05,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:46:05,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:05,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:46:05,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:46:05,758 INFO L87 Difference]: Start difference. First operand 1432 states and 2008 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, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 01:46:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:46:08,015 INFO L93 Difference]: Finished difference Result 2838 states and 3984 transitions. [2021-11-17 01:46:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 01:46:08,016 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, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 132 [2021-11-17 01:46:08,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:46:08,037 INFO L225 Difference]: With dead ends: 2838 [2021-11-17 01:46:08,037 INFO L226 Difference]: Without dead ends: 1436 [2021-11-17 01:46:08,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-17 01:46:08,042 INFO L933 BasicCegarLoop]: 1997 mSDtfsCounter, 11 mSDsluCounter, 13946 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 15943 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:46:08,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 15943 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-17 01:46:08,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2021-11-17 01:46:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1436. [2021-11-17 01:46:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1034 states have (on average 1.3268858800773695) internal successors, (1372), 1039 states have internal predecessors, (1372), 320 states have call successors, (320), 82 states have call predecessors, (320), 81 states have return successors, (319), 319 states have call predecessors, (319), 319 states have call successors, (319) [2021-11-17 01:46:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2011 transitions. [2021-11-17 01:46:08,109 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2011 transitions. Word has length 132 [2021-11-17 01:46:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:46:08,110 INFO L470 AbstractCegarLoop]: Abstraction has 1436 states and 2011 transitions. [2021-11-17 01:46:08,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 01:46:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2011 transitions. [2021-11-17 01:46:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-17 01:46:08,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:46:08,114 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:46:08,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:46:08,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:46:08,322 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:46:08,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:46:08,322 INFO L85 PathProgramCache]: Analyzing trace with hash -166587172, now seen corresponding path program 2 times [2021-11-17 01:46:08,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:46:08,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395790561] [2021-11-17 01:46:08,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 01:46:08,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:46:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:46:08,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:46:08,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-17 01:46:09,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-17 01:46:09,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 01:46:09,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:46:09,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:46:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:13,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:15,042 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:15,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395790561] [2021-11-17 01:46:15,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395790561] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:46:15,042 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:46:15,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-17 01:46:15,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826270053] [2021-11-17 01:46:15,042 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:46:15,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:46:15,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:46:15,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:15,043 INFO L87 Difference]: Start difference. First operand 1436 states and 2011 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2021-11-17 01:46:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:46:15,149 INFO L93 Difference]: Finished difference Result 1506 states and 2085 transitions. [2021-11-17 01:46:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:46:15,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 134 [2021-11-17 01:46:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:46:15,156 INFO L225 Difference]: With dead ends: 1506 [2021-11-17 01:46:15,156 INFO L226 Difference]: Without dead ends: 1503 [2021-11-17 01:46:15,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:15,157 INFO L933 BasicCegarLoop]: 2025 mSDtfsCounter, 1788 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:46:15,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1788 Valid, 2215 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 01:46:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2021-11-17 01:46:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1503. [2021-11-17 01:46:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1079 states have (on average 1.3206672845227063) internal successors, (1425), 1084 states have internal predecessors, (1425), 329 states have call successors, (329), 95 states have call predecessors, (329), 94 states have return successors, (328), 328 states have call predecessors, (328), 328 states have call successors, (328) [2021-11-17 01:46:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2082 transitions. [2021-11-17 01:46:15,210 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2082 transitions. Word has length 134 [2021-11-17 01:46:15,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:46:15,211 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2082 transitions. [2021-11-17 01:46:15,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2021-11-17 01:46:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2082 transitions. [2021-11-17 01:46:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-17 01:46:15,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:46:15,214 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:46:15,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-17 01:46:15,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:46:15,439 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:46:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:46:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 828300044, now seen corresponding path program 1 times [2021-11-17 01:46:15,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:46:15,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335708710] [2021-11-17 01:46:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:46:15,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:46:15,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:46:15,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:46:15,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-17 01:46:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:46:16,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 2717 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:46:16,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:46:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:17,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:18,115 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:18,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335708710] [2021-11-17 01:46:18,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335708710] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:46:18,116 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:46:18,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-17 01:46:18,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298685402] [2021-11-17 01:46:18,116 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:46:18,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:46:18,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:18,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:46:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:18,117 INFO L87 Difference]: Start difference. First operand 1503 states and 2082 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:46:19,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:46:19,928 INFO L93 Difference]: Finished difference Result 3965 states and 5458 transitions. [2021-11-17 01:46:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:46:19,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2021-11-17 01:46:19,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:46:19,937 INFO L225 Difference]: With dead ends: 3965 [2021-11-17 01:46:19,937 INFO L226 Difference]: Without dead ends: 2503 [2021-11-17 01:46:19,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:19,941 INFO L933 BasicCegarLoop]: 2224 mSDtfsCounter, 1322 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-17 01:46:19,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1322 Valid, 4092 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-17 01:46:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2021-11-17 01:46:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2498. [2021-11-17 01:46:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1781 states have (on average 1.3082537900056148) internal successors, (2330), 1791 states have internal predecessors, (2330), 549 states have call successors, (549), 168 states have call predecessors, (549), 167 states have return successors, (548), 547 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-17 01:46:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3427 transitions. [2021-11-17 01:46:20,002 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3427 transitions. Word has length 134 [2021-11-17 01:46:20,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:46:20,003 INFO L470 AbstractCegarLoop]: Abstraction has 2498 states and 3427 transitions. [2021-11-17 01:46:20,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:46:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3427 transitions. [2021-11-17 01:46:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-17 01:46:20,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:46:20,006 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:46:20,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-17 01:46:20,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:46:20,221 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:46:20,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:46:20,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1579552095, now seen corresponding path program 1 times [2021-11-17 01:46:20,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:46:20,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126361665] [2021-11-17 01:46:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:46:20,224 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:46:20,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:46:20,225 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:46:20,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-17 01:46:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:46:21,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:46:21,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:46:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:22,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-17 01:46:23,066 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:23,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126361665] [2021-11-17 01:46:23,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126361665] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:46:23,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:46:23,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-17 01:46:23,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15885583] [2021-11-17 01:46:23,066 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:46:23,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:46:23,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:46:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:23,067 INFO L87 Difference]: Start difference. First operand 2498 states and 3427 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:46:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:46:24,041 INFO L93 Difference]: Finished difference Result 6105 states and 8360 transitions. [2021-11-17 01:46:24,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:46:24,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2021-11-17 01:46:24,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:46:24,055 INFO L225 Difference]: With dead ends: 6105 [2021-11-17 01:46:24,055 INFO L226 Difference]: Without dead ends: 3648 [2021-11-17 01:46:24,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:46:24,062 INFO L933 BasicCegarLoop]: 2180 mSDtfsCounter, 1160 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 4111 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:46:24,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1160 Valid, 4111 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-17 01:46:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-11-17 01:46:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3643. [2021-11-17 01:46:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3643 states, 2624 states have (on average 1.3155487804878048) internal successors, (3452), 2637 states have internal predecessors, (3452), 766 states have call successors, (766), 253 states have call predecessors, (766), 252 states have return successors, (765), 763 states have call predecessors, (765), 765 states have call successors, (765) [2021-11-17 01:46:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4983 transitions. [2021-11-17 01:46:24,201 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4983 transitions. Word has length 143 [2021-11-17 01:46:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:46:24,201 INFO L470 AbstractCegarLoop]: Abstraction has 3643 states and 4983 transitions. [2021-11-17 01:46:24,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:46:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4983 transitions. [2021-11-17 01:46:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-17 01:46:24,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:46:24,207 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:46:24,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-17 01:46:24,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:46:24,427 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:46:24,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:46:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1600480466, now seen corresponding path program 1 times [2021-11-17 01:46:24,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:46:24,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526313698] [2021-11-17 01:46:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:46:24,430 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:46:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:46:24,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:46:24,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-17 01:46:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:46:25,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-17 01:46:25,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:46:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-17 01:46:31,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2021-11-17 01:46:41,173 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:46:41,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526313698] [2021-11-17 01:46:41,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526313698] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:46:41,173 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:46:41,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-17 01:46:41,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538061495] [2021-11-17 01:46:41,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:46:41,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-17 01:46:41,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:46:41,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-17 01:46:41,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-17 01:46:41,175 INFO L87 Difference]: Start difference. First operand 3643 states and 4983 transitions. Second operand has 20 states, 16 states have (on average 6.5) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (33), 2 states have call predecessors, (33), 8 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-17 01:47:08,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:08,336 INFO L93 Difference]: Finished difference Result 10673 states and 15296 transitions. [2021-11-17 01:47:08,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 01:47:08,338 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.5) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (33), 2 states have call predecessors, (33), 8 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 186 [2021-11-17 01:47:08,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:08,363 INFO L225 Difference]: With dead ends: 10673 [2021-11-17 01:47:08,363 INFO L226 Difference]: Without dead ends: 7071 [2021-11-17 01:47:08,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-11-17 01:47:08,372 INFO L933 BasicCegarLoop]: 2489 mSDtfsCounter, 3587 mSDsluCounter, 37130 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3771 SdHoareTripleChecker+Valid, 39619 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:08,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3771 Valid, 39619 Invalid, 1919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [740 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 24.0s Time] [2021-11-17 01:47:08,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2021-11-17 01:47:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 3671. [2021-11-17 01:47:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3671 states, 2644 states have (on average 1.313161875945537) internal successors, (3472), 2657 states have internal predecessors, (3472), 770 states have call successors, (770), 253 states have call predecessors, (770), 256 states have return successors, (791), 771 states have call predecessors, (791), 769 states have call successors, (791) [2021-11-17 01:47:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 3671 states and 5033 transitions. [2021-11-17 01:47:08,517 INFO L78 Accepts]: Start accepts. Automaton has 3671 states and 5033 transitions. Word has length 186 [2021-11-17 01:47:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:08,518 INFO L470 AbstractCegarLoop]: Abstraction has 3671 states and 5033 transitions. [2021-11-17 01:47:08,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.5) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (33), 2 states have call predecessors, (33), 8 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-17 01:47:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 5033 transitions. [2021-11-17 01:47:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-17 01:47:08,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:08,524 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:08,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-17 01:47:08,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:47:08,739 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:08,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:08,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2017877072, now seen corresponding path program 1 times [2021-11-17 01:47:08,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:47:08,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119649477] [2021-11-17 01:47:08,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:08,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:47:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:47:08,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:47:08,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-17 01:47:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:10,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:47:10,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-17 01:47:11,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2021-11-17 01:47:12,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:47:12,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119649477] [2021-11-17 01:47:12,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119649477] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:47:12,651 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:47:12,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:47:12,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315398997] [2021-11-17 01:47:12,652 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:47:12,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:47:12,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:47:12,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:47:12,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:47:12,652 INFO L87 Difference]: Start difference. First operand 3671 states and 5033 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 01:47:14,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:15,268 INFO L93 Difference]: Finished difference Result 7315 states and 10028 transitions. [2021-11-17 01:47:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:47:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2021-11-17 01:47:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:15,281 INFO L225 Difference]: With dead ends: 7315 [2021-11-17 01:47:15,282 INFO L226 Difference]: Without dead ends: 3669 [2021-11-17 01:47:15,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:47:15,291 INFO L933 BasicCegarLoop]: 1998 mSDtfsCounter, 6 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5987 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:15,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 5987 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 01:47:15,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3669 states. [2021-11-17 01:47:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3669 to 3669. [2021-11-17 01:47:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3669 states, 2642 states have (on average 1.3103709311127933) internal successors, (3462), 2655 states have internal predecessors, (3462), 770 states have call successors, (770), 253 states have call predecessors, (770), 256 states have return successors, (791), 771 states have call predecessors, (791), 769 states have call successors, (791) [2021-11-17 01:47:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 5023 transitions. [2021-11-17 01:47:15,403 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 5023 transitions. Word has length 186 [2021-11-17 01:47:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:15,403 INFO L470 AbstractCegarLoop]: Abstraction has 3669 states and 5023 transitions. [2021-11-17 01:47:15,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 01:47:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 5023 transitions. [2021-11-17 01:47:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-17 01:47:15,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:15,409 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 4, 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] [2021-11-17 01:47:15,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-17 01:47:15,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:47:15,631 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:15,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:15,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2020427050, now seen corresponding path program 1 times [2021-11-17 01:47:15,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:47:15,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918004283] [2021-11-17 01:47:15,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:15,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:47:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:47:15,636 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:47:15,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-17 01:47:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:17,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-17 01:47:17,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-17 01:47:20,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2021-11-17 01:47:23,135 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:47:23,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918004283] [2021-11-17 01:47:23,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918004283] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:47:23,135 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:47:23,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-17 01:47:23,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205414057] [2021-11-17 01:47:23,135 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:47:23,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 01:47:23,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:47:23,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 01:47:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:47:23,136 INFO L87 Difference]: Start difference. First operand 3669 states and 5023 transitions. Second operand has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-17 01:47:28,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:29,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:29,168 INFO L93 Difference]: Finished difference Result 7636 states and 10425 transitions. [2021-11-17 01:47:29,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:47:29,170 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32) Word has length 194 [2021-11-17 01:47:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:29,189 INFO L225 Difference]: With dead ends: 7636 [2021-11-17 01:47:29,190 INFO L226 Difference]: Without dead ends: 3965 [2021-11-17 01:47:29,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:47:29,198 INFO L933 BasicCegarLoop]: 2053 mSDtfsCounter, 793 mSDsluCounter, 16302 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 167 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 18355 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:29,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [795 Valid, 18355 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 01:47:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2021-11-17 01:47:29,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 3958. [2021-11-17 01:47:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3958 states, 2848 states have (on average 1.3086376404494382) internal successors, (3727), 2867 states have internal predecessors, (3727), 824 states have call successors, (824), 281 states have call predecessors, (824), 285 states have return successors, (842), 820 states have call predecessors, (842), 823 states have call successors, (842) [2021-11-17 01:47:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3958 states and 5393 transitions. [2021-11-17 01:47:29,318 INFO L78 Accepts]: Start accepts. Automaton has 3958 states and 5393 transitions. Word has length 194 [2021-11-17 01:47:29,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:29,319 INFO L470 AbstractCegarLoop]: Abstraction has 3958 states and 5393 transitions. [2021-11-17 01:47:29,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-17 01:47:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3958 states and 5393 transitions. [2021-11-17 01:47:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-17 01:47:29,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:29,325 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:29,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-17 01:47:29,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:47:29,539 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:29,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1948843786, now seen corresponding path program 1 times [2021-11-17 01:47:29,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:47:29,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923288423] [2021-11-17 01:47:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:29,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:47:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:47:29,543 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:47:29,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-17 01:47:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:31,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2985 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 01:47:31,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2021-11-17 01:47:32,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2021-11-17 01:47:33,884 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:47:33,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923288423] [2021-11-17 01:47:33,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923288423] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:47:33,885 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:47:33,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-17 01:47:33,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227909403] [2021-11-17 01:47:33,885 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:47:33,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:47:33,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:47:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:47:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:47:33,887 INFO L87 Difference]: Start difference. First operand 3958 states and 5393 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-17 01:47:36,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:36,740 INFO L93 Difference]: Finished difference Result 7542 states and 10294 transitions. [2021-11-17 01:47:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:47:36,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 214 [2021-11-17 01:47:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:36,751 INFO L225 Difference]: With dead ends: 7542 [2021-11-17 01:47:36,752 INFO L226 Difference]: Without dead ends: 3892 [2021-11-17 01:47:36,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:47:36,760 INFO L933 BasicCegarLoop]: 1994 mSDtfsCounter, 5 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:36,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 7961 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 01:47:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2021-11-17 01:47:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3878. [2021-11-17 01:47:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 2794 states have (on average 1.3117394416607016) internal successors, (3665), 2814 states have internal predecessors, (3665), 806 states have call successors, (806), 273 states have call predecessors, (806), 277 states have return successors, (824), 801 states have call predecessors, (824), 805 states have call successors, (824) [2021-11-17 01:47:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5295 transitions. [2021-11-17 01:47:36,893 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5295 transitions. Word has length 214 [2021-11-17 01:47:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:36,896 INFO L470 AbstractCegarLoop]: Abstraction has 3878 states and 5295 transitions. [2021-11-17 01:47:36,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-17 01:47:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5295 transitions. [2021-11-17 01:47:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-17 01:47:36,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:36,902 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:36,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-17 01:47:37,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:47:37,116 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:37,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1116062662, now seen corresponding path program 1 times [2021-11-17 01:47:37,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:47:37,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958570814] [2021-11-17 01:47:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:37,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:47:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:47:37,120 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:47:37,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-17 01:47:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:38,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 3027 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:47:38,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-11-17 01:47:40,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-17 01:47:41,087 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:47:41,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958570814] [2021-11-17 01:47:41,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958570814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:47:41,087 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:47:41,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 01:47:41,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995478055] [2021-11-17 01:47:41,087 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:47:41,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:47:41,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:47:41,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:47:41,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:47:41,088 INFO L87 Difference]: Start difference. First operand 3878 states and 5295 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 01:47:43,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:54,037 INFO L93 Difference]: Finished difference Result 10816 states and 14837 transitions. [2021-11-17 01:47:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:47:54,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 219 [2021-11-17 01:47:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:54,064 INFO L225 Difference]: With dead ends: 10816 [2021-11-17 01:47:54,064 INFO L226 Difference]: Without dead ends: 7288 [2021-11-17 01:47:54,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:47:54,076 INFO L933 BasicCegarLoop]: 3036 mSDtfsCounter, 3085 mSDsluCounter, 4036 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 80 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:54,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3085 Valid, 7072 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 591 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-17 01:47:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7288 states. [2021-11-17 01:47:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7288 to 6978. [2021-11-17 01:47:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6978 states, 5075 states have (on average 1.3129064039408866) internal successors, (6663), 5111 states have internal predecessors, (6663), 1410 states have call successors, (1410), 485 states have call predecessors, (1410), 492 states have return successors, (1445), 1402 states have call predecessors, (1445), 1409 states have call successors, (1445) [2021-11-17 01:47:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6978 states to 6978 states and 9518 transitions. [2021-11-17 01:47:54,303 INFO L78 Accepts]: Start accepts. Automaton has 6978 states and 9518 transitions. Word has length 219 [2021-11-17 01:47:54,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:54,303 INFO L470 AbstractCegarLoop]: Abstraction has 6978 states and 9518 transitions. [2021-11-17 01:47:54,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 01:47:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6978 states and 9518 transitions. [2021-11-17 01:47:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-17 01:47:54,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:54,309 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:54,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-17 01:47:54,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:47:54,535 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:54,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1175646270, now seen corresponding path program 1 times [2021-11-17 01:47:54,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:47:54,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268920882] [2021-11-17 01:47:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:54,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:47:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:47:54,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:47:54,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-17 01:47:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:56,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 3051 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:47:56,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-11-17 01:47:58,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2021-11-17 01:47:59,980 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:47:59,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268920882] [2021-11-17 01:47:59,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268920882] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:47:59,980 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:47:59,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 01:47:59,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139364017] [2021-11-17 01:47:59,980 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:47:59,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:47:59,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:47:59,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:47:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:47:59,981 INFO L87 Difference]: Start difference. First operand 6978 states and 9518 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2021-11-17 01:48:02,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:10,712 INFO L93 Difference]: Finished difference Result 18896 states and 25654 transitions. [2021-11-17 01:48:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:48:10,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) Word has length 237 [2021-11-17 01:48:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:10,792 INFO L225 Difference]: With dead ends: 18896 [2021-11-17 01:48:10,792 INFO L226 Difference]: Without dead ends: 11980 [2021-11-17 01:48:10,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:48:10,815 INFO L933 BasicCegarLoop]: 2697 mSDtfsCounter, 3879 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 471 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:10,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3879 Valid, 4927 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2021-11-17 01:48:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2021-11-17 01:48:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11910. [2021-11-17 01:48:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11910 states, 8745 states have (on average 1.3144654088050314) internal successors, (11495), 8803 states have internal predecessors, (11495), 2282 states have call successors, (2282), 867 states have call predecessors, (2282), 882 states have return successors, (2329), 2266 states have call predecessors, (2329), 2281 states have call successors, (2329) [2021-11-17 01:48:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11910 states to 11910 states and 16106 transitions. [2021-11-17 01:48:11,233 INFO L78 Accepts]: Start accepts. Automaton has 11910 states and 16106 transitions. Word has length 237 [2021-11-17 01:48:11,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:11,234 INFO L470 AbstractCegarLoop]: Abstraction has 11910 states and 16106 transitions. [2021-11-17 01:48:11,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2021-11-17 01:48:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 11910 states and 16106 transitions. [2021-11-17 01:48:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 01:48:11,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:11,244 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 01:48:11,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:11,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:48:11,467 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:11,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:11,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1951420665, now seen corresponding path program 1 times [2021-11-17 01:48:11,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:48:11,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311531383] [2021-11-17 01:48:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:11,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:48:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:48:11,472 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:48:11,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-17 01:48:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:13,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 3105 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 01:48:13,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2021-11-17 01:48:14,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:48:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2021-11-17 01:48:15,084 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:48:15,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311531383] [2021-11-17 01:48:15,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311531383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:15,084 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:15,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-17 01:48:15,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501208021] [2021-11-17 01:48:15,085 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:15,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:48:15,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:48:15,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:48:15,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:48:15,086 INFO L87 Difference]: Start difference. First operand 11910 states and 16106 transitions. Second operand has 8 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-17 01:48:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:16,073 INFO L93 Difference]: Finished difference Result 11929 states and 16124 transitions. [2021-11-17 01:48:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:48:16,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 241 [2021-11-17 01:48:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:16,103 INFO L225 Difference]: With dead ends: 11929 [2021-11-17 01:48:16,103 INFO L226 Difference]: Without dead ends: 11926 [2021-11-17 01:48:16,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:48:16,109 INFO L933 BasicCegarLoop]: 1982 mSDtfsCounter, 13 mSDsluCounter, 9860 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11842 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:16,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 11842 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-17 01:48:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11926 states. [2021-11-17 01:48:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11926 to 11926. [2021-11-17 01:48:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11926 states, 8757 states have (on average 1.3136919036199612) internal successors, (11504), 8815 states have internal predecessors, (11504), 2282 states have call successors, (2282), 871 states have call predecessors, (2282), 886 states have return successors, (2329), 2266 states have call predecessors, (2329), 2281 states have call successors, (2329) [2021-11-17 01:48:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11926 states to 11926 states and 16115 transitions. [2021-11-17 01:48:16,455 INFO L78 Accepts]: Start accepts. Automaton has 11926 states and 16115 transitions. Word has length 241 [2021-11-17 01:48:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:16,455 INFO L470 AbstractCegarLoop]: Abstraction has 11926 states and 16115 transitions. [2021-11-17 01:48:16,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-17 01:48:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 11926 states and 16115 transitions. [2021-11-17 01:48:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-17 01:48:16,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:16,476 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:16,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:16,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:48:16,697 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:16,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:16,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2057497020, now seen corresponding path program 1 times [2021-11-17 01:48:16,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:48:16,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432579540] [2021-11-17 01:48:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:16,701 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:48:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:48:16,702 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:48:16,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-17 01:48:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:18,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 3310 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:48:18,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2021-11-17 01:48:20,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:48:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2021-11-17 01:48:22,219 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:48:22,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432579540] [2021-11-17 01:48:22,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432579540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:22,219 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:22,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:48:22,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149539730] [2021-11-17 01:48:22,220 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:22,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:48:22,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:48:22,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:48:22,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:48:22,221 INFO L87 Difference]: Start difference. First operand 11926 states and 16115 transitions. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:48:24,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:41,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:41,219 INFO L93 Difference]: Finished difference Result 32663 states and 44496 transitions. [2021-11-17 01:48:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:48:41,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 302 [2021-11-17 01:48:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:41,268 INFO L225 Difference]: With dead ends: 32663 [2021-11-17 01:48:41,268 INFO L226 Difference]: Without dead ends: 20799 [2021-11-17 01:48:41,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:48:41,290 INFO L933 BasicCegarLoop]: 3866 mSDtfsCounter, 4509 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4509 SdHoareTripleChecker+Valid, 16666 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:41,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4509 Valid, 16666 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 854 Invalid, 1 Unknown, 0 Unchecked, 17.8s Time] [2021-11-17 01:48:41,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20799 states. [2021-11-17 01:48:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20799 to 11934. [2021-11-17 01:48:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11934 states, 8765 states have (on average 1.313405590416429) internal successors, (11512), 8823 states have internal predecessors, (11512), 2282 states have call successors, (2282), 871 states have call predecessors, (2282), 886 states have return successors, (2329), 2266 states have call predecessors, (2329), 2281 states have call successors, (2329) [2021-11-17 01:48:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11934 states to 11934 states and 16123 transitions. [2021-11-17 01:48:41,799 INFO L78 Accepts]: Start accepts. Automaton has 11934 states and 16123 transitions. Word has length 302 [2021-11-17 01:48:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:41,800 INFO L470 AbstractCegarLoop]: Abstraction has 11934 states and 16123 transitions. [2021-11-17 01:48:41,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:48:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 11934 states and 16123 transitions. [2021-11-17 01:48:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-17 01:48:41,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:41,819 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:41,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:42,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:48:42,033 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:42,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1609201353, now seen corresponding path program 1 times [2021-11-17 01:48:42,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:48:42,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594818852] [2021-11-17 01:48:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:42,036 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:48:42,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:48:42,044 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:48:42,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-17 01:48:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:44,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 3338 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:48:44,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2021-11-17 01:48:46,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:48:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-11-17 01:48:47,519 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:48:47,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594818852] [2021-11-17 01:48:47,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594818852] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:47,519 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:47,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 01:48:47,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415179439] [2021-11-17 01:48:47,519 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:47,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:48:47,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:48:47,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:48:47,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:48:47,520 INFO L87 Difference]: Start difference. First operand 11934 states and 16123 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:48:53,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:53,338 INFO L93 Difference]: Finished difference Result 32078 states and 44984 transitions. [2021-11-17 01:48:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:48:53,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 322 [2021-11-17 01:48:53,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:53,386 INFO L225 Difference]: With dead ends: 32078 [2021-11-17 01:48:53,386 INFO L226 Difference]: Without dead ends: 20206 [2021-11-17 01:48:53,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:48:53,440 INFO L933 BasicCegarLoop]: 2767 mSDtfsCounter, 962 mSDsluCounter, 4496 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:53,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1203 Valid, 7263 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-17 01:48:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20206 states. [2021-11-17 01:48:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20206 to 12154. [2021-11-17 01:48:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12154 states, 8933 states have (on average 1.3124370312325087) internal successors, (11724), 8991 states have internal predecessors, (11724), 2334 states have call successors, (2334), 871 states have call predecessors, (2334), 886 states have return successors, (2381), 2318 states have call predecessors, (2381), 2333 states have call successors, (2381) [2021-11-17 01:48:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12154 states to 12154 states and 16439 transitions. [2021-11-17 01:48:53,944 INFO L78 Accepts]: Start accepts. Automaton has 12154 states and 16439 transitions. Word has length 322 [2021-11-17 01:48:53,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:53,945 INFO L470 AbstractCegarLoop]: Abstraction has 12154 states and 16439 transitions. [2021-11-17 01:48:53,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:48:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 12154 states and 16439 transitions. [2021-11-17 01:48:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-17 01:48:53,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:53,961 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:54,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:54,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:48:54,173 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:54,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1927324161, now seen corresponding path program 1 times [2021-11-17 01:48:54,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:48:54,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927815293] [2021-11-17 01:48:54,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:54,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:48:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:48:54,179 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:48:54,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-17 01:48:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:55,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 3412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:48:55,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-11-17 01:48:58,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:49:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 01:49:00,395 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:49:00,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927815293] [2021-11-17 01:49:00,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927815293] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:49:00,395 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:49:00,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 01:49:00,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660404597] [2021-11-17 01:49:00,396 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:49:00,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:49:00,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:49:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:49:00,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:49:00,397 INFO L87 Difference]: Start difference. First operand 12154 states and 16439 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 01:49:07,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:49:07,423 INFO L93 Difference]: Finished difference Result 34258 states and 48288 transitions. [2021-11-17 01:49:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:49:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 348 [2021-11-17 01:49:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:49:07,467 INFO L225 Difference]: With dead ends: 34258 [2021-11-17 01:49:07,468 INFO L226 Difference]: Without dead ends: 22166 [2021-11-17 01:49:07,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:49:07,486 INFO L933 BasicCegarLoop]: 3294 mSDtfsCounter, 1398 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 7825 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:49:07,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1749 Valid, 7825 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 01:49:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22166 states. [2021-11-17 01:49:07,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22166 to 12782. [2021-11-17 01:49:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12782 states, 9453 states have (on average 1.3206389505976939) internal successors, (12484), 9511 states have internal predecessors, (12484), 2442 states have call successors, (2442), 871 states have call predecessors, (2442), 886 states have return successors, (2489), 2426 states have call predecessors, (2489), 2441 states have call successors, (2489) [2021-11-17 01:49:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12782 states to 12782 states and 17415 transitions. [2021-11-17 01:49:08,019 INFO L78 Accepts]: Start accepts. Automaton has 12782 states and 17415 transitions. Word has length 348 [2021-11-17 01:49:08,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:49:08,020 INFO L470 AbstractCegarLoop]: Abstraction has 12782 states and 17415 transitions. [2021-11-17 01:49:08,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 01:49:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12782 states and 17415 transitions. [2021-11-17 01:49:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-17 01:49:08,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:49:08,094 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:49:08,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-17 01:49:08,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:49:08,320 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:49:08,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:49:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1444475709, now seen corresponding path program 1 times [2021-11-17 01:49:08,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:49:08,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531854335] [2021-11-17 01:49:08,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:49:08,323 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:49:08,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:49:08,324 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:49:08,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-17 01:49:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:49:10,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 3412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:49:10,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:49:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-17 01:49:12,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:49:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 01:49:14,551 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:49:14,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531854335] [2021-11-17 01:49:14,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531854335] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:49:14,551 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:49:14,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-17 01:49:14,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186193409] [2021-11-17 01:49:14,552 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:49:14,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:49:14,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:49:14,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:49:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:49:14,553 INFO L87 Difference]: Start difference. First operand 12782 states and 17415 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 01:49:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:49:16,155 INFO L93 Difference]: Finished difference Result 30282 states and 42122 transitions. [2021-11-17 01:49:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:49:16,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 348 [2021-11-17 01:49:16,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:49:16,202 INFO L225 Difference]: With dead ends: 30282 [2021-11-17 01:49:16,203 INFO L226 Difference]: Without dead ends: 17562 [2021-11-17 01:49:16,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:49:16,224 INFO L933 BasicCegarLoop]: 2767 mSDtfsCounter, 661 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:49:16,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [832 Valid, 4754 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-17 01:49:16,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17562 states. [2021-11-17 01:49:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17562 to 12782. [2021-11-17 01:49:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12782 states, 9453 states have (on average 1.319792658415318) internal successors, (12476), 9511 states have internal predecessors, (12476), 2442 states have call successors, (2442), 871 states have call predecessors, (2442), 886 states have return successors, (2489), 2426 states have call predecessors, (2489), 2441 states have call successors, (2489) [2021-11-17 01:49:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12782 states to 12782 states and 17407 transitions. [2021-11-17 01:49:16,884 INFO L78 Accepts]: Start accepts. Automaton has 12782 states and 17407 transitions. Word has length 348 [2021-11-17 01:49:16,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:49:16,885 INFO L470 AbstractCegarLoop]: Abstraction has 12782 states and 17407 transitions. [2021-11-17 01:49:16,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 01:49:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12782 states and 17407 transitions. [2021-11-17 01:49:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-17 01:49:16,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:49:16,902 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:49:16,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-17 01:49:17,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:49:17,120 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:49:17,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:49:17,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1133959809, now seen corresponding path program 1 times [2021-11-17 01:49:17,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:49:17,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888362896] [2021-11-17 01:49:17,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:49:17,123 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:49:17,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:49:17,125 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:49:17,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-17 01:49:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:49:19,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 3419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 01:49:19,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:49:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 01:49:22,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:49:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 01:49:24,551 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:49:24,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888362896] [2021-11-17 01:49:24,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888362896] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:49:24,551 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:49:24,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-17 01:49:24,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409505404] [2021-11-17 01:49:24,551 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:49:24,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:49:24,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:49:24,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:49:24,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:49:24,552 INFO L87 Difference]: Start difference. First operand 12782 states and 17407 transitions. Second operand has 8 states, 8 states have (on average 26.375) internal successors, (211), 8 states have internal predecessors, (211), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-17 01:49:26,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:03,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:50:03,322 INFO L93 Difference]: Finished difference Result 41138 states and 57444 transitions. [2021-11-17 01:50:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 01:50:03,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.375) internal successors, (211), 8 states have internal predecessors, (211), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 350 [2021-11-17 01:50:03,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:50:03,389 INFO L225 Difference]: With dead ends: 41138 [2021-11-17 01:50:03,390 INFO L226 Difference]: Without dead ends: 28418 [2021-11-17 01:50:03,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 695 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:50:03,413 INFO L933 BasicCegarLoop]: 5258 mSDtfsCounter, 5933 mSDsluCounter, 21429 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1222 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6103 SdHoareTripleChecker+Valid, 26687 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1222 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:50:03,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6103 Valid, 26687 Invalid, 2975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1222 Valid, 1752 Invalid, 1 Unknown, 0 Unchecked, 36.0s Time] [2021-11-17 01:50:03,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28418 states. [2021-11-17 01:50:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28418 to 12890. [2021-11-17 01:50:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12890 states, 9521 states have (on average 1.3183489129293142) internal successors, (12552), 9579 states have internal predecessors, (12552), 2482 states have call successors, (2482), 871 states have call predecessors, (2482), 886 states have return successors, (2529), 2466 states have call predecessors, (2529), 2481 states have call successors, (2529) [2021-11-17 01:50:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12890 states to 12890 states and 17563 transitions. [2021-11-17 01:50:04,246 INFO L78 Accepts]: Start accepts. Automaton has 12890 states and 17563 transitions. Word has length 350 [2021-11-17 01:50:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:50:04,246 INFO L470 AbstractCegarLoop]: Abstraction has 12890 states and 17563 transitions. [2021-11-17 01:50:04,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.375) internal successors, (211), 8 states have internal predecessors, (211), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-17 01:50:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12890 states and 17563 transitions. [2021-11-17 01:50:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2021-11-17 01:50:04,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:50:04,268 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 9, 9, 8, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:50:04,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-17 01:50:04,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:50:04,484 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:50:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:50:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1066626903, now seen corresponding path program 1 times [2021-11-17 01:50:04,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:50:04,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019624432] [2021-11-17 01:50:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:50:04,488 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:50:04,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:50:04,489 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:50:04,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-17 01:50:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:50:07,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 4475 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 01:50:07,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:50:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2021-11-17 01:50:14,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:50:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2021-11-17 01:50:17,742 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:50:17,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019624432] [2021-11-17 01:50:17,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019624432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:50:17,742 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:50:17,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:50:17,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550587871] [2021-11-17 01:50:17,742 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:50:17,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:50:17,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:50:17,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:50:17,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:50:17,744 INFO L87 Difference]: Start difference. First operand 12890 states and 17563 transitions. Second operand has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-17 01:50:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:50:20,981 INFO L93 Difference]: Finished difference Result 19879 states and 27768 transitions. [2021-11-17 01:50:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:50:20,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) Word has length 647 [2021-11-17 01:50:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:50:20,984 INFO L225 Difference]: With dead ends: 19879 [2021-11-17 01:50:20,984 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 01:50:21,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1294 GetRequests, 1289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:50:21,011 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 2139 mSDsluCounter, 5751 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 7954 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:50:21,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2237 Valid, 7954 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 01:50:21,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 01:50:21,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 01:50:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-17 01:50:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 01:50:21,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 647 [2021-11-17 01:50:21,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:50:21,015 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 01:50:21,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-17 01:50:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 01:50:21,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 01:50:21,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 01:50:21,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-17 01:50:21,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:50:21,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-17 01:51:02,046 WARN L227 SmtUtils]: Spent 14.56s on a formula simplification. DAG size of input: 198 DAG size of output: 169 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 01:51:29,449 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 173 DAG size of output: 145 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 01:52:18,761 WARN L227 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 175 DAG size of output: 146 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15