./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.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 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:46:10,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:46:10,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:46:10,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:46:10,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:46:10,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:46:10,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:46:10,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:46:10,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:46:10,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:46:10,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:46:10,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:46:10,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:46:10,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:46:10,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:46:10,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:46:10,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:46:10,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:46:10,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:46:10,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:46:10,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:46:10,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:46:10,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:46:10,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:46:10,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:46:10,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:46:10,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:46:10,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:46:10,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:46:10,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:46:10,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:46:10,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:46:10,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:46:10,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:46:10,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:46:10,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:46:10,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:46:10,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:46:10,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:46:10,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:46:10,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:46:10,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 21:46:10,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:46:10,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:46:10,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:46:10,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:46:10,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:46:10,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:46:10,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:46:10,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:46:10,446 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:46:10,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:46:10,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:46:10,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:46:10,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:46:10,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:46:10,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:46:10,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:46:10,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:46:10,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:46:10,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:46:10,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2022-02-20 21:46:10,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:46:10,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:46:10,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:46:10,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:46:10,695 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:46:10,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-02-20 21:46:10,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8689960ff/074fb83c787d47579af50a256677e123/FLAG10c2a945a [2022-02-20 21:46:11,308 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:46:11,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-02-20 21:46:11,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8689960ff/074fb83c787d47579af50a256677e123/FLAG10c2a945a [2022-02-20 21:46:11,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8689960ff/074fb83c787d47579af50a256677e123 [2022-02-20 21:46:11,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:46:11,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:46:11,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:46:11,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:46:11,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:46:11,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:46:11" (1/1) ... [2022-02-20 21:46:11,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aff715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:11, skipping insertion in model container [2022-02-20 21:46:11,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:46:11" (1/1) ... [2022-02-20 21:46:11,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:46:11,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:46:12,352 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-02-20 21:46:12,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:46:12,436 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:46:12,707 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-02-20 21:46:12,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:46:12,753 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:46:12,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12 WrapperNode [2022-02-20 21:46:12,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:46:12,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:46:12,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:46:12,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:46:12,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,884 INFO L137 Inliner]: procedures = 127, calls = 967, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 881 [2022-02-20 21:46:12,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:46:12,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:46:12,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:46:12,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:46:12,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:12,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:46:12,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:46:12,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:46:12,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:46:12,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (1/1) ... [2022-02-20 21:46:13,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:46:13,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:46:13,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 21:46:13,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 21:46:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-02-20 21:46:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-02-20 21:46:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-02-20 21:46:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-02-20 21:46:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-02-20 21:46:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-02-20 21:46:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-02-20 21:46:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-02-20 21:46:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 21:46:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-02-20 21:46:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-02-20 21:46:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-02-20 21:46:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:46:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:46:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-02-20 21:46:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-02-20 21:46:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:46:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-02-20 21:46:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-02-20 21:46:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 21:46:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:46:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:46:13,420 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:46:13,422 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:46:14,607 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:46:14,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:46:14,620 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 21:46:14,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:46:14 BoogieIcfgContainer [2022-02-20 21:46:14,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:46:14,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:46:14,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:46:14,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:46:14,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:46:11" (1/3) ... [2022-02-20 21:46:14,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d5a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:46:14, skipping insertion in model container [2022-02-20 21:46:14,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:46:12" (2/3) ... [2022-02-20 21:46:14,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d5a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:46:14, skipping insertion in model container [2022-02-20 21:46:14,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:46:14" (3/3) ... [2022-02-20 21:46:14,631 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-02-20 21:46:14,635 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:46:14,635 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:46:14,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:46:14,669 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 [2022-02-20 21:46:14,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:46:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 186 states have (on average 1.3978494623655915) internal successors, (260), 192 states have internal predecessors, (260), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-02-20 21:46:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 21:46:14,703 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:46:14,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:46:14,704 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:46:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:46:14,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1390238051, now seen corresponding path program 1 times [2022-02-20 21:46:14,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:46:14,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531725740] [2022-02-20 21:46:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:46:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:46:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:46:15,099 INFO L290 TraceCheckUtils]: 0: Hoare triple {226#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(89, 2);call #Ultimate.allocInit(125, 3);call #Ultimate.allocInit(8, 4);call #Ultimate.allocInit(8, 5);call #Ultimate.allocInit(50, 6);call #Ultimate.allocInit(40, 7);call #Ultimate.allocInit(37, 8);call #Ultimate.allocInit(6, 9);call write~init~int(37, 9, 0, 1);call write~init~int(48, 9, 1, 1);call write~init~int(50, 9, 2, 1);call write~init~int(120, 9, 3, 1);call write~init~int(32, 9, 4, 1);call write~init~int(0, 9, 5, 1);call #Ultimate.allocInit(2, 10);call write~init~int(10, 10, 0, 1);call write~init~int(0, 10, 1, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(120, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(37, 12);call #Ultimate.allocInit(40, 13);call #Ultimate.allocInit(40, 14);call #Ultimate.allocInit(20, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(14, 17);call #Ultimate.allocInit(39, 18);call #Ultimate.allocInit(57, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(65, 22);call #Ultimate.allocInit(58, 23);call #Ultimate.allocInit(41, 24);call #Ultimate.allocInit(49, 25);call #Ultimate.allocInit(23, 26);call #Ultimate.allocInit(63, 27);call #Ultimate.allocInit(38, 28);call #Ultimate.allocInit(38, 29);call #Ultimate.allocInit(62, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(58, 32);call #Ultimate.allocInit(56, 33);call #Ultimate.allocInit(63, 34);call #Ultimate.allocInit(56, 35);call #Ultimate.allocInit(17, 36);call #Ultimate.allocInit(17, 37);~ldv_state_variable_1~0 := 0;~usb_counter~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 0;~debug~0 := 0;~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset := 38, 0;call #Ultimate.allocInit(50, 38);call write~init~int(3, ~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, 2);call write~init~int(2807, ~#flexcop_usb_table~0.base, 2 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(257, ~#flexcop_usb_table~0.base, 4 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 6 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 8 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 10 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 11 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 12 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 13 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 14 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 15 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 16 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 17 + ~#flexcop_usb_table~0.offset, 8);call write~init~int(0, ~#flexcop_usb_table~0.base, 25 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 27 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 29 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 31 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 33 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 35 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 36 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 37 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 38 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 39 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 40 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 41 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 42 + ~#flexcop_usb_table~0.offset, 8);~__mod_usb_device_table~0.match_flags := 0;~__mod_usb_device_table~0.idVendor := 0;~__mod_usb_device_table~0.idProduct := 0;~__mod_usb_device_table~0.bcdDevice_lo := 0;~__mod_usb_device_table~0.bcdDevice_hi := 0;~__mod_usb_device_table~0.bDeviceClass := 0;~__mod_usb_device_table~0.bDeviceSubClass := 0;~__mod_usb_device_table~0.bDeviceProtocol := 0;~__mod_usb_device_table~0.bInterfaceClass := 0;~__mod_usb_device_table~0.bInterfaceSubClass := 0;~__mod_usb_device_table~0.bInterfaceProtocol := 0;~__mod_usb_device_table~0.bInterfaceNumber := 0;~__mod_usb_device_table~0.driver_info := 0;~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset := 39, 0;call #Ultimate.allocInit(285, 39);call write~init~$Pointer$(36, 0, ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_probe.base, #funAddr~flexcop_usb_probe.offset, ~#flexcop_usb_driver~0.base, 8 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_disconnect.base, #funAddr~flexcop_usb_disconnect.offset, ~#flexcop_usb_driver~0.base, 16 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 24 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 32 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 40 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 48 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 56 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 64 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, ~#flexcop_usb_driver~0.base, 72 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 80 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 84 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 88 + ~#flexcop_usb_driver~0.offset, 4);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 92 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 100 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 108 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 116 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 124 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 132 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 136 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 148 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 156 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 164 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 172 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 180 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 188 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 196 + ~#flexcop_usb_driver~0.offset, 1);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 197 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 205 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 213 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 221 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 229 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 237 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 245 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 253 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 261 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 269 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 277 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 281 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 282 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 283 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 284 + ~#flexcop_usb_driver~0.offset, 1);~ldv_retval_0~0 := 0;~flexcop_usb_driver_group1~0.base, ~flexcop_usb_driver_group1~0.offset := 0, 0;~ldv_retval_1~0 := 0;~ldvarg0~0.base, ~ldvarg0~0.offset := 0, 0;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 0;~ldv_mutex_lock~0 := 0;~ldv_mutex_mutex_of_device~0 := 0; {226#true} is VALID [2022-02-20 21:46:15,100 INFO L290 TraceCheckUtils]: 1: Hoare triple {226#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet542#1, main_#t~switch543#1, main_#t~nondet544#1, main_#t~switch545#1, main_#t~ret546#1, main_#t~nondet547#1, main_#t~switch548#1, main_#t~ret549#1, main_~tmp~18#1, main_~tmp___0~9#1, main_~tmp___1~6#1;havoc main_~tmp~18#1;havoc main_~tmp___0~9#1;havoc main_~tmp___1~6#1;assume { :begin_inline_ldv_initialize } true;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 1;~ldv_mutex_lock~0 := 1;~ldv_mutex_mutex_of_device~0 := 1; {226#true} is VALID [2022-02-20 21:46:15,101 INFO L290 TraceCheckUtils]: 2: Hoare triple {226#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,101 INFO L290 TraceCheckUtils]: 3: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume -2147483648 <= main_#t~nondet542#1 && main_#t~nondet542#1 <= 2147483647;main_~tmp~18#1 := main_#t~nondet542#1;havoc main_#t~nondet542#1;main_#t~switch543#1 := 0 == main_~tmp~18#1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,101 INFO L290 TraceCheckUtils]: 4: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume !main_#t~switch543#1;main_#t~switch543#1 := main_#t~switch543#1 || 1 == main_~tmp~18#1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,102 INFO L290 TraceCheckUtils]: 5: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume main_#t~switch543#1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,102 INFO L290 TraceCheckUtils]: 6: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet547#1 && main_#t~nondet547#1 <= 2147483647;main_~tmp___1~6#1 := main_#t~nondet547#1;havoc main_#t~nondet547#1;main_#t~switch548#1 := 0 == main_~tmp___1~6#1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,103 INFO L290 TraceCheckUtils]: 7: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume main_#t~switch548#1; {228#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:46:15,103 INFO L290 TraceCheckUtils]: 8: Hoare triple {228#(= ~ldv_state_variable_0~0 1)} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_flexcop_usb_driver_exit } true;assume { :begin_inline_ldv_usb_deregister_9 } true;ldv_usb_deregister_9_#in~arg#1.base, ldv_usb_deregister_9_#in~arg#1.offset := ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset;havoc ldv_usb_deregister_9_~arg#1.base, ldv_usb_deregister_9_~arg#1.offset;ldv_usb_deregister_9_~arg#1.base, ldv_usb_deregister_9_~arg#1.offset := ldv_usb_deregister_9_#in~arg#1.base, ldv_usb_deregister_9_#in~arg#1.offset;assume { :begin_inline_usb_deregister } true;usb_deregister_#in~arg0#1.base, usb_deregister_#in~arg0#1.offset := ldv_usb_deregister_9_~arg#1.base, ldv_usb_deregister_9_~arg#1.offset;havoc usb_deregister_~arg0#1.base, usb_deregister_~arg0#1.offset;usb_deregister_~arg0#1.base, usb_deregister_~arg0#1.offset := usb_deregister_#in~arg0#1.base, usb_deregister_#in~arg0#1.offset; {227#false} is VALID [2022-02-20 21:46:15,103 INFO L290 TraceCheckUtils]: 9: Hoare triple {227#false} assume { :end_inline_usb_deregister } true;~ldv_state_variable_1~0 := 0; {227#false} is VALID [2022-02-20 21:46:15,104 INFO L290 TraceCheckUtils]: 10: Hoare triple {227#false} assume { :end_inline_ldv_usb_deregister_9 } true; {227#false} is VALID [2022-02-20 21:46:15,104 INFO L290 TraceCheckUtils]: 11: Hoare triple {227#false} assume { :end_inline_flexcop_usb_driver_exit } true;~ldv_state_variable_0~0 := 2; {227#false} is VALID [2022-02-20 21:46:15,104 INFO L290 TraceCheckUtils]: 12: Hoare triple {227#false} assume { :begin_inline_ldv_check_final_state } true; {227#false} is VALID [2022-02-20 21:46:15,104 INFO L290 TraceCheckUtils]: 13: Hoare triple {227#false} assume !(1 == ~ldv_mutex_cred_guard_mutex_of_signal_struct~0); {227#false} is VALID [2022-02-20 21:46:15,104 INFO L272 TraceCheckUtils]: 14: Hoare triple {227#false} call ldv_error(); {227#false} is VALID [2022-02-20 21:46:15,105 INFO L290 TraceCheckUtils]: 15: Hoare triple {227#false} assume !false; {227#false} is VALID [2022-02-20 21:46:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 21:46:15,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:46:15,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531725740] [2022-02-20 21:46:15,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531725740] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:46:15,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:46:15,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:46:15,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803555837] [2022-02-20 21:46:15,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:46:15,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 21:46:15,115 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:46:15,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:15,148 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:15,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:46:15,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:46:15,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:46:15,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:15,173 INFO L87 Difference]: Start difference. First operand has 223 states, 186 states have (on average 1.3978494623655915) internal successors, (260), 192 states have internal predecessors, (260), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:18,727 INFO L93 Difference]: Finished difference Result 639 states and 890 transitions. [2022-02-20 21:46:18,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 21:46:18,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 21:46:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:46:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2022-02-20 21:46:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2022-02-20 21:46:18,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 890 transitions. [2022-02-20 21:46:19,452 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 890 edges. 890 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:19,482 INFO L225 Difference]: With dead ends: 639 [2022-02-20 21:46:19,482 INFO L226 Difference]: Without dead ends: 413 [2022-02-20 21:46:19,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:19,492 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 266 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:46:19,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 597 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:46:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-02-20 21:46:19,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-02-20 21:46:19,556 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:46:19,560 INFO L82 GeneralOperation]: Start isEquivalent. First operand 413 states. Second operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:19,564 INFO L74 IsIncluded]: Start isIncluded. First operand 413 states. Second operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:19,565 INFO L87 Difference]: Start difference. First operand 413 states. Second operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:19,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:19,587 INFO L93 Difference]: Finished difference Result 413 states and 556 transitions. [2022-02-20 21:46:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 556 transitions. [2022-02-20 21:46:19,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:19,595 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:19,597 INFO L74 IsIncluded]: Start isIncluded. First operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 413 states. [2022-02-20 21:46:19,600 INFO L87 Difference]: Start difference. First operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 413 states. [2022-02-20 21:46:19,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:19,619 INFO L93 Difference]: Finished difference Result 413 states and 556 transitions. [2022-02-20 21:46:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 556 transitions. [2022-02-20 21:46:19,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:19,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:19,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:46:19,625 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:46:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 556 transitions. [2022-02-20 21:46:19,647 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 556 transitions. Word has length 16 [2022-02-20 21:46:19,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:46:19,647 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 556 transitions. [2022-02-20 21:46:19,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:19,649 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 556 transitions. [2022-02-20 21:46:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 21:46:19,650 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:46:19,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:46:19,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 21:46:19,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:46:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:46:19,653 INFO L85 PathProgramCache]: Analyzing trace with hash -862308588, now seen corresponding path program 1 times [2022-02-20 21:46:19,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:46:19,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747423989] [2022-02-20 21:46:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:46:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:46:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:46:19,778 INFO L290 TraceCheckUtils]: 0: Hoare triple {2526#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(89, 2);call #Ultimate.allocInit(125, 3);call #Ultimate.allocInit(8, 4);call #Ultimate.allocInit(8, 5);call #Ultimate.allocInit(50, 6);call #Ultimate.allocInit(40, 7);call #Ultimate.allocInit(37, 8);call #Ultimate.allocInit(6, 9);call write~init~int(37, 9, 0, 1);call write~init~int(48, 9, 1, 1);call write~init~int(50, 9, 2, 1);call write~init~int(120, 9, 3, 1);call write~init~int(32, 9, 4, 1);call write~init~int(0, 9, 5, 1);call #Ultimate.allocInit(2, 10);call write~init~int(10, 10, 0, 1);call write~init~int(0, 10, 1, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(120, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(37, 12);call #Ultimate.allocInit(40, 13);call #Ultimate.allocInit(40, 14);call #Ultimate.allocInit(20, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(14, 17);call #Ultimate.allocInit(39, 18);call #Ultimate.allocInit(57, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(65, 22);call #Ultimate.allocInit(58, 23);call #Ultimate.allocInit(41, 24);call #Ultimate.allocInit(49, 25);call #Ultimate.allocInit(23, 26);call #Ultimate.allocInit(63, 27);call #Ultimate.allocInit(38, 28);call #Ultimate.allocInit(38, 29);call #Ultimate.allocInit(62, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(58, 32);call #Ultimate.allocInit(56, 33);call #Ultimate.allocInit(63, 34);call #Ultimate.allocInit(56, 35);call #Ultimate.allocInit(17, 36);call #Ultimate.allocInit(17, 37);~ldv_state_variable_1~0 := 0;~usb_counter~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 0;~debug~0 := 0;~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset := 38, 0;call #Ultimate.allocInit(50, 38);call write~init~int(3, ~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, 2);call write~init~int(2807, ~#flexcop_usb_table~0.base, 2 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(257, ~#flexcop_usb_table~0.base, 4 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 6 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 8 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 10 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 11 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 12 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 13 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 14 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 15 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 16 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 17 + ~#flexcop_usb_table~0.offset, 8);call write~init~int(0, ~#flexcop_usb_table~0.base, 25 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 27 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 29 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 31 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 33 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 35 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 36 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 37 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 38 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 39 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 40 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 41 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 42 + ~#flexcop_usb_table~0.offset, 8);~__mod_usb_device_table~0.match_flags := 0;~__mod_usb_device_table~0.idVendor := 0;~__mod_usb_device_table~0.idProduct := 0;~__mod_usb_device_table~0.bcdDevice_lo := 0;~__mod_usb_device_table~0.bcdDevice_hi := 0;~__mod_usb_device_table~0.bDeviceClass := 0;~__mod_usb_device_table~0.bDeviceSubClass := 0;~__mod_usb_device_table~0.bDeviceProtocol := 0;~__mod_usb_device_table~0.bInterfaceClass := 0;~__mod_usb_device_table~0.bInterfaceSubClass := 0;~__mod_usb_device_table~0.bInterfaceProtocol := 0;~__mod_usb_device_table~0.bInterfaceNumber := 0;~__mod_usb_device_table~0.driver_info := 0;~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset := 39, 0;call #Ultimate.allocInit(285, 39);call write~init~$Pointer$(36, 0, ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_probe.base, #funAddr~flexcop_usb_probe.offset, ~#flexcop_usb_driver~0.base, 8 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_disconnect.base, #funAddr~flexcop_usb_disconnect.offset, ~#flexcop_usb_driver~0.base, 16 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 24 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 32 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 40 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 48 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 56 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 64 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, ~#flexcop_usb_driver~0.base, 72 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 80 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 84 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 88 + ~#flexcop_usb_driver~0.offset, 4);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 92 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 100 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 108 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 116 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 124 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 132 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 136 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 148 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 156 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 164 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 172 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 180 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 188 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 196 + ~#flexcop_usb_driver~0.offset, 1);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 197 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 205 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 213 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 221 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 229 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 237 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 245 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 253 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 261 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 269 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 277 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 281 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 282 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 283 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 284 + ~#flexcop_usb_driver~0.offset, 1);~ldv_retval_0~0 := 0;~flexcop_usb_driver_group1~0.base, ~flexcop_usb_driver_group1~0.offset := 0, 0;~ldv_retval_1~0 := 0;~ldvarg0~0.base, ~ldvarg0~0.offset := 0, 0;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 0;~ldv_mutex_lock~0 := 0;~ldv_mutex_mutex_of_device~0 := 0; {2526#true} is VALID [2022-02-20 21:46:19,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {2526#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet542#1, main_#t~switch543#1, main_#t~nondet544#1, main_#t~switch545#1, main_#t~ret546#1, main_#t~nondet547#1, main_#t~switch548#1, main_#t~ret549#1, main_~tmp~18#1, main_~tmp___0~9#1, main_~tmp___1~6#1;havoc main_~tmp~18#1;havoc main_~tmp___0~9#1;havoc main_~tmp___1~6#1;assume { :begin_inline_ldv_initialize } true;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 1;~ldv_mutex_lock~0 := 1;~ldv_mutex_mutex_of_device~0 := 1; {2526#true} is VALID [2022-02-20 21:46:19,779 INFO L290 TraceCheckUtils]: 2: Hoare triple {2526#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1; {2526#true} is VALID [2022-02-20 21:46:19,779 INFO L290 TraceCheckUtils]: 3: Hoare triple {2526#true} assume -2147483648 <= main_#t~nondet542#1 && main_#t~nondet542#1 <= 2147483647;main_~tmp~18#1 := main_#t~nondet542#1;havoc main_#t~nondet542#1;main_#t~switch543#1 := 0 == main_~tmp~18#1; {2526#true} is VALID [2022-02-20 21:46:19,779 INFO L290 TraceCheckUtils]: 4: Hoare triple {2526#true} assume !main_#t~switch543#1;main_#t~switch543#1 := main_#t~switch543#1 || 1 == main_~tmp~18#1; {2526#true} is VALID [2022-02-20 21:46:19,780 INFO L290 TraceCheckUtils]: 5: Hoare triple {2526#true} assume main_#t~switch543#1; {2526#true} is VALID [2022-02-20 21:46:19,800 INFO L290 TraceCheckUtils]: 6: Hoare triple {2526#true} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet547#1 && main_#t~nondet547#1 <= 2147483647;main_~tmp___1~6#1 := main_#t~nondet547#1;havoc main_#t~nondet547#1;main_#t~switch548#1 := 0 == main_~tmp___1~6#1; {2526#true} is VALID [2022-02-20 21:46:19,801 INFO L290 TraceCheckUtils]: 7: Hoare triple {2526#true} assume !main_#t~switch548#1;main_#t~switch548#1 := main_#t~switch548#1 || 1 == main_~tmp___1~6#1; {2526#true} is VALID [2022-02-20 21:46:19,802 INFO L290 TraceCheckUtils]: 8: Hoare triple {2526#true} assume main_#t~switch548#1; {2526#true} is VALID [2022-02-20 21:46:19,802 INFO L290 TraceCheckUtils]: 9: Hoare triple {2526#true} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_flexcop_usb_driver_init } true;havoc flexcop_usb_driver_init_#res#1;havoc flexcop_usb_driver_init_#t~ret541#1, flexcop_usb_driver_init_~tmp~17#1;havoc flexcop_usb_driver_init_~tmp~17#1;assume { :begin_inline_ldv_usb_register_driver_8 } true;ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset := ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, ~#__this_module~0.base, ~#__this_module~0.offset, 37, 0;havoc ldv_usb_register_driver_8_#res#1;havoc ldv_usb_register_driver_8_#t~ret552#1, ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset, ldv_usb_register_driver_8_~ldv_func_res~1#1, ldv_usb_register_driver_8_~tmp~20#1;ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset;ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset;ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset;havoc ldv_usb_register_driver_8_~ldv_func_res~1#1;havoc ldv_usb_register_driver_8_~tmp~20#1;assume { :begin_inline_usb_register_driver } true;usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset, usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset, usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset := ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset;havoc usb_register_driver_#res#1;havoc usb_register_driver_#t~nondet580#1, usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset, usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset, usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset;usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset := usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset;usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset := usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset;usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset := usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset;assume -2147483648 <= usb_register_driver_#t~nondet580#1 && usb_register_driver_#t~nondet580#1 <= 2147483647;usb_register_driver_#res#1 := usb_register_driver_#t~nondet580#1;havoc usb_register_driver_#t~nondet580#1; {2526#true} is VALID [2022-02-20 21:46:19,802 INFO L290 TraceCheckUtils]: 10: Hoare triple {2526#true} ldv_usb_register_driver_8_#t~ret552#1 := usb_register_driver_#res#1;assume { :end_inline_usb_register_driver } true;assume -2147483648 <= ldv_usb_register_driver_8_#t~ret552#1 && ldv_usb_register_driver_8_#t~ret552#1 <= 2147483647;ldv_usb_register_driver_8_~tmp~20#1 := ldv_usb_register_driver_8_#t~ret552#1;havoc ldv_usb_register_driver_8_#t~ret552#1;ldv_usb_register_driver_8_~ldv_func_res~1#1 := ldv_usb_register_driver_8_~tmp~20#1;~ldv_state_variable_1~0 := 1;~usb_counter~0 := 0;ldv_usb_register_driver_8_#res#1 := ldv_usb_register_driver_8_~ldv_func_res~1#1; {2526#true} is VALID [2022-02-20 21:46:19,802 INFO L290 TraceCheckUtils]: 11: Hoare triple {2526#true} flexcop_usb_driver_init_#t~ret541#1 := ldv_usb_register_driver_8_#res#1;assume { :end_inline_ldv_usb_register_driver_8 } true;assume -2147483648 <= flexcop_usb_driver_init_#t~ret541#1 && flexcop_usb_driver_init_#t~ret541#1 <= 2147483647;flexcop_usb_driver_init_~tmp~17#1 := flexcop_usb_driver_init_#t~ret541#1;havoc flexcop_usb_driver_init_#t~ret541#1;flexcop_usb_driver_init_#res#1 := flexcop_usb_driver_init_~tmp~17#1; {2526#true} is VALID [2022-02-20 21:46:19,803 INFO L290 TraceCheckUtils]: 12: Hoare triple {2526#true} main_#t~ret549#1 := flexcop_usb_driver_init_#res#1;assume { :end_inline_flexcop_usb_driver_init } true;assume -2147483648 <= main_#t~ret549#1 && main_#t~ret549#1 <= 2147483647;~ldv_retval_1~0 := main_#t~ret549#1;havoc main_#t~ret549#1; {2526#true} is VALID [2022-02-20 21:46:19,803 INFO L290 TraceCheckUtils]: 13: Hoare triple {2526#true} assume 0 == ~ldv_retval_1~0;~ldv_state_variable_0~0 := 3; {2528#(= ~ldv_retval_1~0 0)} is VALID [2022-02-20 21:46:19,804 INFO L290 TraceCheckUtils]: 14: Hoare triple {2528#(= ~ldv_retval_1~0 0)} assume 0 != ~ldv_retval_1~0;~ldv_state_variable_0~0 := 2; {2527#false} is VALID [2022-02-20 21:46:19,804 INFO L290 TraceCheckUtils]: 15: Hoare triple {2527#false} assume { :begin_inline_ldv_check_final_state } true; {2527#false} is VALID [2022-02-20 21:46:19,804 INFO L290 TraceCheckUtils]: 16: Hoare triple {2527#false} assume !(1 == ~ldv_mutex_cred_guard_mutex_of_signal_struct~0); {2527#false} is VALID [2022-02-20 21:46:19,804 INFO L272 TraceCheckUtils]: 17: Hoare triple {2527#false} call ldv_error(); {2527#false} is VALID [2022-02-20 21:46:19,804 INFO L290 TraceCheckUtils]: 18: Hoare triple {2527#false} assume !false; {2527#false} is VALID [2022-02-20 21:46:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 21:46:19,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:46:19,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747423989] [2022-02-20 21:46:19,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747423989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:46:19,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:46:19,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:46:19,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518544970] [2022-02-20 21:46:19,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:46:19,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 21:46:19,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:46:19,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:19,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:19,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:46:19,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:46:19,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:46:19,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:19,833 INFO L87 Difference]: Start difference. First operand 413 states and 556 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:21,821 INFO L93 Difference]: Finished difference Result 431 states and 576 transitions. [2022-02-20 21:46:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 21:46:21,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 21:46:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:46:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2022-02-20 21:46:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2022-02-20 21:46:21,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 312 transitions. [2022-02-20 21:46:22,041 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 312 edges. 312 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:22,053 INFO L225 Difference]: With dead ends: 431 [2022-02-20 21:46:22,053 INFO L226 Difference]: Without dead ends: 422 [2022-02-20 21:46:22,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:22,055 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 285 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:46:22,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 309 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:46:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-02-20 21:46:22,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 413. [2022-02-20 21:46:22,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:46:22,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 422 states. Second operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:22,068 INFO L74 IsIncluded]: Start isIncluded. First operand 422 states. Second operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:22,069 INFO L87 Difference]: Start difference. First operand 422 states. Second operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:22,082 INFO L93 Difference]: Finished difference Result 422 states and 565 transitions. [2022-02-20 21:46:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2022-02-20 21:46:22,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:22,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:22,084 INFO L74 IsIncluded]: Start isIncluded. First operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 422 states. [2022-02-20 21:46:22,085 INFO L87 Difference]: Start difference. First operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 422 states. [2022-02-20 21:46:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:22,098 INFO L93 Difference]: Finished difference Result 422 states and 565 transitions. [2022-02-20 21:46:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2022-02-20 21:46:22,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:22,100 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:22,100 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:46:22,100 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:46:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 555 transitions. [2022-02-20 21:46:22,115 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 555 transitions. Word has length 19 [2022-02-20 21:46:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:46:22,115 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 555 transitions. [2022-02-20 21:46:22,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 555 transitions. [2022-02-20 21:46:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 21:46:22,116 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:46:22,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:46:22,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 21:46:22,116 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:46:22,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:46:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash -805050286, now seen corresponding path program 1 times [2022-02-20 21:46:22,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:46:22,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508056508] [2022-02-20 21:46:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:46:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:46:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:46:22,202 INFO L290 TraceCheckUtils]: 0: Hoare triple {4553#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(89, 2);call #Ultimate.allocInit(125, 3);call #Ultimate.allocInit(8, 4);call #Ultimate.allocInit(8, 5);call #Ultimate.allocInit(50, 6);call #Ultimate.allocInit(40, 7);call #Ultimate.allocInit(37, 8);call #Ultimate.allocInit(6, 9);call write~init~int(37, 9, 0, 1);call write~init~int(48, 9, 1, 1);call write~init~int(50, 9, 2, 1);call write~init~int(120, 9, 3, 1);call write~init~int(32, 9, 4, 1);call write~init~int(0, 9, 5, 1);call #Ultimate.allocInit(2, 10);call write~init~int(10, 10, 0, 1);call write~init~int(0, 10, 1, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(120, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(37, 12);call #Ultimate.allocInit(40, 13);call #Ultimate.allocInit(40, 14);call #Ultimate.allocInit(20, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(14, 17);call #Ultimate.allocInit(39, 18);call #Ultimate.allocInit(57, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(65, 22);call #Ultimate.allocInit(58, 23);call #Ultimate.allocInit(41, 24);call #Ultimate.allocInit(49, 25);call #Ultimate.allocInit(23, 26);call #Ultimate.allocInit(63, 27);call #Ultimate.allocInit(38, 28);call #Ultimate.allocInit(38, 29);call #Ultimate.allocInit(62, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(58, 32);call #Ultimate.allocInit(56, 33);call #Ultimate.allocInit(63, 34);call #Ultimate.allocInit(56, 35);call #Ultimate.allocInit(17, 36);call #Ultimate.allocInit(17, 37);~ldv_state_variable_1~0 := 0;~usb_counter~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 0;~debug~0 := 0;~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset := 38, 0;call #Ultimate.allocInit(50, 38);call write~init~int(3, ~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, 2);call write~init~int(2807, ~#flexcop_usb_table~0.base, 2 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(257, ~#flexcop_usb_table~0.base, 4 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 6 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 8 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 10 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 11 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 12 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 13 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 14 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 15 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 16 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 17 + ~#flexcop_usb_table~0.offset, 8);call write~init~int(0, ~#flexcop_usb_table~0.base, 25 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 27 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 29 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 31 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 33 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 35 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 36 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 37 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 38 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 39 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 40 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 41 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 42 + ~#flexcop_usb_table~0.offset, 8);~__mod_usb_device_table~0.match_flags := 0;~__mod_usb_device_table~0.idVendor := 0;~__mod_usb_device_table~0.idProduct := 0;~__mod_usb_device_table~0.bcdDevice_lo := 0;~__mod_usb_device_table~0.bcdDevice_hi := 0;~__mod_usb_device_table~0.bDeviceClass := 0;~__mod_usb_device_table~0.bDeviceSubClass := 0;~__mod_usb_device_table~0.bDeviceProtocol := 0;~__mod_usb_device_table~0.bInterfaceClass := 0;~__mod_usb_device_table~0.bInterfaceSubClass := 0;~__mod_usb_device_table~0.bInterfaceProtocol := 0;~__mod_usb_device_table~0.bInterfaceNumber := 0;~__mod_usb_device_table~0.driver_info := 0;~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset := 39, 0;call #Ultimate.allocInit(285, 39);call write~init~$Pointer$(36, 0, ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_probe.base, #funAddr~flexcop_usb_probe.offset, ~#flexcop_usb_driver~0.base, 8 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_disconnect.base, #funAddr~flexcop_usb_disconnect.offset, ~#flexcop_usb_driver~0.base, 16 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 24 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 32 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 40 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 48 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 56 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 64 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, ~#flexcop_usb_driver~0.base, 72 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 80 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 84 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 88 + ~#flexcop_usb_driver~0.offset, 4);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 92 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 100 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 108 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 116 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 124 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 132 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 136 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 148 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 156 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 164 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 172 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 180 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 188 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 196 + ~#flexcop_usb_driver~0.offset, 1);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 197 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 205 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 213 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 221 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 229 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 237 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 245 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 253 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 261 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 269 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 277 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 281 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 282 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 283 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 284 + ~#flexcop_usb_driver~0.offset, 1);~ldv_retval_0~0 := 0;~flexcop_usb_driver_group1~0.base, ~flexcop_usb_driver_group1~0.offset := 0, 0;~ldv_retval_1~0 := 0;~ldvarg0~0.base, ~ldvarg0~0.offset := 0, 0;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 0;~ldv_mutex_lock~0 := 0;~ldv_mutex_mutex_of_device~0 := 0; {4553#true} is VALID [2022-02-20 21:46:22,203 INFO L290 TraceCheckUtils]: 1: Hoare triple {4553#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet542#1, main_#t~switch543#1, main_#t~nondet544#1, main_#t~switch545#1, main_#t~ret546#1, main_#t~nondet547#1, main_#t~switch548#1, main_#t~ret549#1, main_~tmp~18#1, main_~tmp___0~9#1, main_~tmp___1~6#1;havoc main_~tmp~18#1;havoc main_~tmp___0~9#1;havoc main_~tmp___1~6#1;assume { :begin_inline_ldv_initialize } true;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 1;~ldv_mutex_lock~0 := 1;~ldv_mutex_mutex_of_device~0 := 1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,204 INFO L290 TraceCheckUtils]: 2: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,206 INFO L290 TraceCheckUtils]: 3: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume -2147483648 <= main_#t~nondet542#1 && main_#t~nondet542#1 <= 2147483647;main_~tmp~18#1 := main_#t~nondet542#1;havoc main_#t~nondet542#1;main_#t~switch543#1 := 0 == main_~tmp~18#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,207 INFO L290 TraceCheckUtils]: 4: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume !main_#t~switch543#1;main_#t~switch543#1 := main_#t~switch543#1 || 1 == main_~tmp~18#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,207 INFO L290 TraceCheckUtils]: 5: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume main_#t~switch543#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,207 INFO L290 TraceCheckUtils]: 6: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet547#1 && main_#t~nondet547#1 <= 2147483647;main_~tmp___1~6#1 := main_#t~nondet547#1;havoc main_#t~nondet547#1;main_#t~switch548#1 := 0 == main_~tmp___1~6#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,208 INFO L290 TraceCheckUtils]: 7: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume !main_#t~switch548#1;main_#t~switch548#1 := main_#t~switch548#1 || 1 == main_~tmp___1~6#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,208 INFO L290 TraceCheckUtils]: 8: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume main_#t~switch548#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,208 INFO L290 TraceCheckUtils]: 9: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_flexcop_usb_driver_init } true;havoc flexcop_usb_driver_init_#res#1;havoc flexcop_usb_driver_init_#t~ret541#1, flexcop_usb_driver_init_~tmp~17#1;havoc flexcop_usb_driver_init_~tmp~17#1;assume { :begin_inline_ldv_usb_register_driver_8 } true;ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset := ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, ~#__this_module~0.base, ~#__this_module~0.offset, 37, 0;havoc ldv_usb_register_driver_8_#res#1;havoc ldv_usb_register_driver_8_#t~ret552#1, ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset, ldv_usb_register_driver_8_~ldv_func_res~1#1, ldv_usb_register_driver_8_~tmp~20#1;ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset;ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset;ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset;havoc ldv_usb_register_driver_8_~ldv_func_res~1#1;havoc ldv_usb_register_driver_8_~tmp~20#1;assume { :begin_inline_usb_register_driver } true;usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset, usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset, usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset := ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset;havoc usb_register_driver_#res#1;havoc usb_register_driver_#t~nondet580#1, usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset, usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset, usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset;usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset := usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset;usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset := usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset;usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset := usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset;assume -2147483648 <= usb_register_driver_#t~nondet580#1 && usb_register_driver_#t~nondet580#1 <= 2147483647;usb_register_driver_#res#1 := usb_register_driver_#t~nondet580#1;havoc usb_register_driver_#t~nondet580#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,209 INFO L290 TraceCheckUtils]: 10: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} ldv_usb_register_driver_8_#t~ret552#1 := usb_register_driver_#res#1;assume { :end_inline_usb_register_driver } true;assume -2147483648 <= ldv_usb_register_driver_8_#t~ret552#1 && ldv_usb_register_driver_8_#t~ret552#1 <= 2147483647;ldv_usb_register_driver_8_~tmp~20#1 := ldv_usb_register_driver_8_#t~ret552#1;havoc ldv_usb_register_driver_8_#t~ret552#1;ldv_usb_register_driver_8_~ldv_func_res~1#1 := ldv_usb_register_driver_8_~tmp~20#1;~ldv_state_variable_1~0 := 1;~usb_counter~0 := 0;ldv_usb_register_driver_8_#res#1 := ldv_usb_register_driver_8_~ldv_func_res~1#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,209 INFO L290 TraceCheckUtils]: 11: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} flexcop_usb_driver_init_#t~ret541#1 := ldv_usb_register_driver_8_#res#1;assume { :end_inline_ldv_usb_register_driver_8 } true;assume -2147483648 <= flexcop_usb_driver_init_#t~ret541#1 && flexcop_usb_driver_init_#t~ret541#1 <= 2147483647;flexcop_usb_driver_init_~tmp~17#1 := flexcop_usb_driver_init_#t~ret541#1;havoc flexcop_usb_driver_init_#t~ret541#1;flexcop_usb_driver_init_#res#1 := flexcop_usb_driver_init_~tmp~17#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,211 INFO L290 TraceCheckUtils]: 12: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} main_#t~ret549#1 := flexcop_usb_driver_init_#res#1;assume { :end_inline_flexcop_usb_driver_init } true;assume -2147483648 <= main_#t~ret549#1 && main_#t~ret549#1 <= 2147483647;~ldv_retval_1~0 := main_#t~ret549#1;havoc main_#t~ret549#1; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,211 INFO L290 TraceCheckUtils]: 13: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume !(0 == ~ldv_retval_1~0); {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,212 INFO L290 TraceCheckUtils]: 14: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume 0 != ~ldv_retval_1~0;~ldv_state_variable_0~0 := 2; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,214 INFO L290 TraceCheckUtils]: 15: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume { :begin_inline_ldv_check_final_state } true; {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} is VALID [2022-02-20 21:46:22,214 INFO L290 TraceCheckUtils]: 16: Hoare triple {4555#(= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)} assume !(1 == ~ldv_mutex_cred_guard_mutex_of_signal_struct~0); {4554#false} is VALID [2022-02-20 21:46:22,215 INFO L272 TraceCheckUtils]: 17: Hoare triple {4554#false} call ldv_error(); {4554#false} is VALID [2022-02-20 21:46:22,215 INFO L290 TraceCheckUtils]: 18: Hoare triple {4554#false} assume !false; {4554#false} is VALID [2022-02-20 21:46:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 21:46:22,215 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:46:22,215 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508056508] [2022-02-20 21:46:22,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508056508] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:46:22,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:46:22,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:46:22,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013110280] [2022-02-20 21:46:22,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:46:22,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 21:46:22,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:46:22,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:22,234 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:22,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:46:22,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:46:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:46:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:22,235 INFO L87 Difference]: Start difference. First operand 413 states and 555 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:23,752 INFO L93 Difference]: Finished difference Result 415 states and 556 transitions. [2022-02-20 21:46:23,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 21:46:23,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 21:46:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:46:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2022-02-20 21:46:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2022-02-20 21:46:23,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 291 transitions. [2022-02-20 21:46:23,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 291 edges. 291 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:23,979 INFO L225 Difference]: With dead ends: 415 [2022-02-20 21:46:23,979 INFO L226 Difference]: Without dead ends: 412 [2022-02-20 21:46:23,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:23,980 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 272 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:46:23,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 287 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:46:23,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-02-20 21:46:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2022-02-20 21:46:24,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:46:24,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 412 states. Second operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:24,005 INFO L74 IsIncluded]: Start isIncluded. First operand 412 states. Second operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:24,005 INFO L87 Difference]: Start difference. First operand 412 states. Second operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:24,014 INFO L93 Difference]: Finished difference Result 412 states and 553 transitions. [2022-02-20 21:46:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2022-02-20 21:46:24,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:24,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:24,016 INFO L74 IsIncluded]: Start isIncluded. First operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 412 states. [2022-02-20 21:46:24,017 INFO L87 Difference]: Start difference. First operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 412 states. [2022-02-20 21:46:24,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:24,043 INFO L93 Difference]: Finished difference Result 412 states and 553 transitions. [2022-02-20 21:46:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2022-02-20 21:46:24,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:24,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:24,044 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:46:24,044 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:46:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2022-02-20 21:46:24,071 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 19 [2022-02-20 21:46:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:46:24,071 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2022-02-20 21:46:24,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2022-02-20 21:46:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 21:46:24,072 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:46:24,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:46:24,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 21:46:24,072 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:46:24,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:46:24,073 INFO L85 PathProgramCache]: Analyzing trace with hash 813145206, now seen corresponding path program 1 times [2022-02-20 21:46:24,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:46:24,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699281052] [2022-02-20 21:46:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:46:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:46:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:46:24,232 INFO L290 TraceCheckUtils]: 0: Hoare triple {6533#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(89, 2);call #Ultimate.allocInit(125, 3);call #Ultimate.allocInit(8, 4);call #Ultimate.allocInit(8, 5);call #Ultimate.allocInit(50, 6);call #Ultimate.allocInit(40, 7);call #Ultimate.allocInit(37, 8);call #Ultimate.allocInit(6, 9);call write~init~int(37, 9, 0, 1);call write~init~int(48, 9, 1, 1);call write~init~int(50, 9, 2, 1);call write~init~int(120, 9, 3, 1);call write~init~int(32, 9, 4, 1);call write~init~int(0, 9, 5, 1);call #Ultimate.allocInit(2, 10);call write~init~int(10, 10, 0, 1);call write~init~int(0, 10, 1, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(120, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(37, 12);call #Ultimate.allocInit(40, 13);call #Ultimate.allocInit(40, 14);call #Ultimate.allocInit(20, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(14, 17);call #Ultimate.allocInit(39, 18);call #Ultimate.allocInit(57, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(65, 22);call #Ultimate.allocInit(58, 23);call #Ultimate.allocInit(41, 24);call #Ultimate.allocInit(49, 25);call #Ultimate.allocInit(23, 26);call #Ultimate.allocInit(63, 27);call #Ultimate.allocInit(38, 28);call #Ultimate.allocInit(38, 29);call #Ultimate.allocInit(62, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(58, 32);call #Ultimate.allocInit(56, 33);call #Ultimate.allocInit(63, 34);call #Ultimate.allocInit(56, 35);call #Ultimate.allocInit(17, 36);call #Ultimate.allocInit(17, 37);~ldv_state_variable_1~0 := 0;~usb_counter~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 0;~debug~0 := 0;~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset := 38, 0;call #Ultimate.allocInit(50, 38);call write~init~int(3, ~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, 2);call write~init~int(2807, ~#flexcop_usb_table~0.base, 2 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(257, ~#flexcop_usb_table~0.base, 4 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 6 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 8 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 10 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 11 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 12 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 13 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 14 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 15 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 16 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 17 + ~#flexcop_usb_table~0.offset, 8);call write~init~int(0, ~#flexcop_usb_table~0.base, 25 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 27 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 29 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 31 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 33 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 35 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 36 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 37 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 38 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 39 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 40 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 41 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 42 + ~#flexcop_usb_table~0.offset, 8);~__mod_usb_device_table~0.match_flags := 0;~__mod_usb_device_table~0.idVendor := 0;~__mod_usb_device_table~0.idProduct := 0;~__mod_usb_device_table~0.bcdDevice_lo := 0;~__mod_usb_device_table~0.bcdDevice_hi := 0;~__mod_usb_device_table~0.bDeviceClass := 0;~__mod_usb_device_table~0.bDeviceSubClass := 0;~__mod_usb_device_table~0.bDeviceProtocol := 0;~__mod_usb_device_table~0.bInterfaceClass := 0;~__mod_usb_device_table~0.bInterfaceSubClass := 0;~__mod_usb_device_table~0.bInterfaceProtocol := 0;~__mod_usb_device_table~0.bInterfaceNumber := 0;~__mod_usb_device_table~0.driver_info := 0;~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset := 39, 0;call #Ultimate.allocInit(285, 39);call write~init~$Pointer$(36, 0, ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_probe.base, #funAddr~flexcop_usb_probe.offset, ~#flexcop_usb_driver~0.base, 8 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_disconnect.base, #funAddr~flexcop_usb_disconnect.offset, ~#flexcop_usb_driver~0.base, 16 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 24 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 32 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 40 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 48 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 56 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 64 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, ~#flexcop_usb_driver~0.base, 72 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 80 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 84 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 88 + ~#flexcop_usb_driver~0.offset, 4);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 92 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 100 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 108 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 116 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 124 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 132 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 136 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 148 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 156 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 164 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 172 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 180 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 188 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 196 + ~#flexcop_usb_driver~0.offset, 1);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 197 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 205 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 213 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 221 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 229 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 237 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 245 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 253 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 261 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 269 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 277 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 281 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 282 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 283 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 284 + ~#flexcop_usb_driver~0.offset, 1);~ldv_retval_0~0 := 0;~flexcop_usb_driver_group1~0.base, ~flexcop_usb_driver_group1~0.offset := 0, 0;~ldv_retval_1~0 := 0;~ldvarg0~0.base, ~ldvarg0~0.offset := 0, 0;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 0;~ldv_mutex_lock~0 := 0;~ldv_mutex_mutex_of_device~0 := 0; {6533#true} is VALID [2022-02-20 21:46:24,233 INFO L290 TraceCheckUtils]: 1: Hoare triple {6533#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet542#1, main_#t~switch543#1, main_#t~nondet544#1, main_#t~switch545#1, main_#t~ret546#1, main_#t~nondet547#1, main_#t~switch548#1, main_#t~ret549#1, main_~tmp~18#1, main_~tmp___0~9#1, main_~tmp___1~6#1;havoc main_~tmp~18#1;havoc main_~tmp___0~9#1;havoc main_~tmp___1~6#1;assume { :begin_inline_ldv_initialize } true;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 1;~ldv_mutex_lock~0 := 1;~ldv_mutex_mutex_of_device~0 := 1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,234 INFO L290 TraceCheckUtils]: 2: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,234 INFO L290 TraceCheckUtils]: 3: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume -2147483648 <= main_#t~nondet542#1 && main_#t~nondet542#1 <= 2147483647;main_~tmp~18#1 := main_#t~nondet542#1;havoc main_#t~nondet542#1;main_#t~switch543#1 := 0 == main_~tmp~18#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,234 INFO L290 TraceCheckUtils]: 4: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume !main_#t~switch543#1;main_#t~switch543#1 := main_#t~switch543#1 || 1 == main_~tmp~18#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,235 INFO L290 TraceCheckUtils]: 5: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume main_#t~switch543#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,235 INFO L290 TraceCheckUtils]: 6: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet547#1 && main_#t~nondet547#1 <= 2147483647;main_~tmp___1~6#1 := main_#t~nondet547#1;havoc main_#t~nondet547#1;main_#t~switch548#1 := 0 == main_~tmp___1~6#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,235 INFO L290 TraceCheckUtils]: 7: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume !main_#t~switch548#1;main_#t~switch548#1 := main_#t~switch548#1 || 1 == main_~tmp___1~6#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,236 INFO L290 TraceCheckUtils]: 8: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume main_#t~switch548#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,236 INFO L290 TraceCheckUtils]: 9: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_flexcop_usb_driver_init } true;havoc flexcop_usb_driver_init_#res#1;havoc flexcop_usb_driver_init_#t~ret541#1, flexcop_usb_driver_init_~tmp~17#1;havoc flexcop_usb_driver_init_~tmp~17#1;assume { :begin_inline_ldv_usb_register_driver_8 } true;ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset := ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, ~#__this_module~0.base, ~#__this_module~0.offset, 37, 0;havoc ldv_usb_register_driver_8_#res#1;havoc ldv_usb_register_driver_8_#t~ret552#1, ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset, ldv_usb_register_driver_8_~ldv_func_res~1#1, ldv_usb_register_driver_8_~tmp~20#1;ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset;ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset;ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset;havoc ldv_usb_register_driver_8_~ldv_func_res~1#1;havoc ldv_usb_register_driver_8_~tmp~20#1;assume { :begin_inline_usb_register_driver } true;usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset, usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset, usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset := ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset;havoc usb_register_driver_#res#1;havoc usb_register_driver_#t~nondet580#1, usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset, usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset, usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset;usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset := usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset;usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset := usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset;usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset := usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset;assume -2147483648 <= usb_register_driver_#t~nondet580#1 && usb_register_driver_#t~nondet580#1 <= 2147483647;usb_register_driver_#res#1 := usb_register_driver_#t~nondet580#1;havoc usb_register_driver_#t~nondet580#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,236 INFO L290 TraceCheckUtils]: 10: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} ldv_usb_register_driver_8_#t~ret552#1 := usb_register_driver_#res#1;assume { :end_inline_usb_register_driver } true;assume -2147483648 <= ldv_usb_register_driver_8_#t~ret552#1 && ldv_usb_register_driver_8_#t~ret552#1 <= 2147483647;ldv_usb_register_driver_8_~tmp~20#1 := ldv_usb_register_driver_8_#t~ret552#1;havoc ldv_usb_register_driver_8_#t~ret552#1;ldv_usb_register_driver_8_~ldv_func_res~1#1 := ldv_usb_register_driver_8_~tmp~20#1;~ldv_state_variable_1~0 := 1;~usb_counter~0 := 0;ldv_usb_register_driver_8_#res#1 := ldv_usb_register_driver_8_~ldv_func_res~1#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,237 INFO L290 TraceCheckUtils]: 11: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} flexcop_usb_driver_init_#t~ret541#1 := ldv_usb_register_driver_8_#res#1;assume { :end_inline_ldv_usb_register_driver_8 } true;assume -2147483648 <= flexcop_usb_driver_init_#t~ret541#1 && flexcop_usb_driver_init_#t~ret541#1 <= 2147483647;flexcop_usb_driver_init_~tmp~17#1 := flexcop_usb_driver_init_#t~ret541#1;havoc flexcop_usb_driver_init_#t~ret541#1;flexcop_usb_driver_init_#res#1 := flexcop_usb_driver_init_~tmp~17#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,237 INFO L290 TraceCheckUtils]: 12: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} main_#t~ret549#1 := flexcop_usb_driver_init_#res#1;assume { :end_inline_flexcop_usb_driver_init } true;assume -2147483648 <= main_#t~ret549#1 && main_#t~ret549#1 <= 2147483647;~ldv_retval_1~0 := main_#t~ret549#1;havoc main_#t~ret549#1; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,237 INFO L290 TraceCheckUtils]: 13: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume !(0 == ~ldv_retval_1~0); {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,238 INFO L290 TraceCheckUtils]: 14: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume 0 != ~ldv_retval_1~0;~ldv_state_variable_0~0 := 2; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,238 INFO L290 TraceCheckUtils]: 15: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume { :begin_inline_ldv_check_final_state } true; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,238 INFO L290 TraceCheckUtils]: 16: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume 1 == ~ldv_mutex_cred_guard_mutex_of_signal_struct~0; {6535#(= ~ldv_mutex_lock~0 1)} is VALID [2022-02-20 21:46:24,239 INFO L290 TraceCheckUtils]: 17: Hoare triple {6535#(= ~ldv_mutex_lock~0 1)} assume !(1 == ~ldv_mutex_lock~0); {6534#false} is VALID [2022-02-20 21:46:24,239 INFO L272 TraceCheckUtils]: 18: Hoare triple {6534#false} call ldv_error(); {6534#false} is VALID [2022-02-20 21:46:24,239 INFO L290 TraceCheckUtils]: 19: Hoare triple {6534#false} assume !false; {6534#false} is VALID [2022-02-20 21:46:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 21:46:24,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:46:24,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699281052] [2022-02-20 21:46:24,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699281052] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:46:24,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:46:24,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:46:24,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900620962] [2022-02-20 21:46:24,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:46:24,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 21:46:24,241 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:46:24,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:24,261 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:24,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:46:24,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:46:24,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:46:24,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:24,262 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:26,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:26,021 INFO L93 Difference]: Finished difference Result 414 states and 554 transitions. [2022-02-20 21:46:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 21:46:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 21:46:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:46:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2022-02-20 21:46:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2022-02-20 21:46:26,041 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 289 transitions. [2022-02-20 21:46:26,245 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 289 edges. 289 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:26,254 INFO L225 Difference]: With dead ends: 414 [2022-02-20 21:46:26,255 INFO L226 Difference]: Without dead ends: 411 [2022-02-20 21:46:26,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:26,256 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 269 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:46:26,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 285 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:46:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-02-20 21:46:26,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-02-20 21:46:26,266 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:46:26,266 INFO L82 GeneralOperation]: Start isEquivalent. First operand 411 states. Second operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:26,267 INFO L74 IsIncluded]: Start isIncluded. First operand 411 states. Second operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:26,268 INFO L87 Difference]: Start difference. First operand 411 states. Second operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:26,277 INFO L93 Difference]: Finished difference Result 411 states and 551 transitions. [2022-02-20 21:46:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 551 transitions. [2022-02-20 21:46:26,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:26,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:26,279 INFO L74 IsIncluded]: Start isIncluded. First operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 411 states. [2022-02-20 21:46:26,279 INFO L87 Difference]: Start difference. First operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand 411 states. [2022-02-20 21:46:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:26,288 INFO L93 Difference]: Finished difference Result 411 states and 551 transitions. [2022-02-20 21:46:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 551 transitions. [2022-02-20 21:46:26,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:26,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:26,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:46:26,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:46:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-02-20 21:46:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 551 transitions. [2022-02-20 21:46:26,301 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 551 transitions. Word has length 20 [2022-02-20 21:46:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:46:26,301 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 551 transitions. [2022-02-20 21:46:26,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 551 transitions. [2022-02-20 21:46:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 21:46:26,302 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:46:26,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:46:26,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 21:46:26,303 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:46:26,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:46:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -562397227, now seen corresponding path program 1 times [2022-02-20 21:46:26,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:46:26,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601104168] [2022-02-20 21:46:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:46:26,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:46:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:46:26,385 INFO L290 TraceCheckUtils]: 0: Hoare triple {8507#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(89, 2);call #Ultimate.allocInit(125, 3);call #Ultimate.allocInit(8, 4);call #Ultimate.allocInit(8, 5);call #Ultimate.allocInit(50, 6);call #Ultimate.allocInit(40, 7);call #Ultimate.allocInit(37, 8);call #Ultimate.allocInit(6, 9);call write~init~int(37, 9, 0, 1);call write~init~int(48, 9, 1, 1);call write~init~int(50, 9, 2, 1);call write~init~int(120, 9, 3, 1);call write~init~int(32, 9, 4, 1);call write~init~int(0, 9, 5, 1);call #Ultimate.allocInit(2, 10);call write~init~int(10, 10, 0, 1);call write~init~int(0, 10, 1, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(120, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(37, 12);call #Ultimate.allocInit(40, 13);call #Ultimate.allocInit(40, 14);call #Ultimate.allocInit(20, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(14, 17);call #Ultimate.allocInit(39, 18);call #Ultimate.allocInit(57, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(65, 22);call #Ultimate.allocInit(58, 23);call #Ultimate.allocInit(41, 24);call #Ultimate.allocInit(49, 25);call #Ultimate.allocInit(23, 26);call #Ultimate.allocInit(63, 27);call #Ultimate.allocInit(38, 28);call #Ultimate.allocInit(38, 29);call #Ultimate.allocInit(62, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(58, 32);call #Ultimate.allocInit(56, 33);call #Ultimate.allocInit(63, 34);call #Ultimate.allocInit(56, 35);call #Ultimate.allocInit(17, 36);call #Ultimate.allocInit(17, 37);~ldv_state_variable_1~0 := 0;~usb_counter~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 0;~debug~0 := 0;~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset := 38, 0;call #Ultimate.allocInit(50, 38);call write~init~int(3, ~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, 2);call write~init~int(2807, ~#flexcop_usb_table~0.base, 2 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(257, ~#flexcop_usb_table~0.base, 4 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 6 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 8 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 10 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 11 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 12 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 13 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 14 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 15 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 16 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 17 + ~#flexcop_usb_table~0.offset, 8);call write~init~int(0, ~#flexcop_usb_table~0.base, 25 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 27 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 29 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 31 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 33 + ~#flexcop_usb_table~0.offset, 2);call write~init~int(0, ~#flexcop_usb_table~0.base, 35 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 36 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 37 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 38 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 39 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 40 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 41 + ~#flexcop_usb_table~0.offset, 1);call write~init~int(0, ~#flexcop_usb_table~0.base, 42 + ~#flexcop_usb_table~0.offset, 8);~__mod_usb_device_table~0.match_flags := 0;~__mod_usb_device_table~0.idVendor := 0;~__mod_usb_device_table~0.idProduct := 0;~__mod_usb_device_table~0.bcdDevice_lo := 0;~__mod_usb_device_table~0.bcdDevice_hi := 0;~__mod_usb_device_table~0.bDeviceClass := 0;~__mod_usb_device_table~0.bDeviceSubClass := 0;~__mod_usb_device_table~0.bDeviceProtocol := 0;~__mod_usb_device_table~0.bInterfaceClass := 0;~__mod_usb_device_table~0.bInterfaceSubClass := 0;~__mod_usb_device_table~0.bInterfaceProtocol := 0;~__mod_usb_device_table~0.bInterfaceNumber := 0;~__mod_usb_device_table~0.driver_info := 0;~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset := 39, 0;call #Ultimate.allocInit(285, 39);call write~init~$Pointer$(36, 0, ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_probe.base, #funAddr~flexcop_usb_probe.offset, ~#flexcop_usb_driver~0.base, 8 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(#funAddr~flexcop_usb_disconnect.base, #funAddr~flexcop_usb_disconnect.offset, ~#flexcop_usb_driver~0.base, 16 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 24 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 32 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 40 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 48 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 56 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 64 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(~#flexcop_usb_table~0.base, ~#flexcop_usb_table~0.offset, ~#flexcop_usb_driver~0.base, 72 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 80 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 84 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 88 + ~#flexcop_usb_driver~0.offset, 4);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 92 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 100 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 108 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 116 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 124 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 132 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 136 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 148 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 156 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 164 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 172 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 180 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 188 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 196 + ~#flexcop_usb_driver~0.offset, 1);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 197 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 205 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 213 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 221 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 229 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 237 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 245 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 253 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 261 + ~#flexcop_usb_driver~0.offset, 8);call write~init~$Pointer$(0, 0, ~#flexcop_usb_driver~0.base, 269 + ~#flexcop_usb_driver~0.offset, 8);call write~init~int(0, ~#flexcop_usb_driver~0.base, 277 + ~#flexcop_usb_driver~0.offset, 4);call write~init~int(0, ~#flexcop_usb_driver~0.base, 281 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 282 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 283 + ~#flexcop_usb_driver~0.offset, 1);call write~init~int(0, ~#flexcop_usb_driver~0.base, 284 + ~#flexcop_usb_driver~0.offset, 1);~ldv_retval_0~0 := 0;~flexcop_usb_driver_group1~0.base, ~flexcop_usb_driver_group1~0.offset := 0, 0;~ldv_retval_1~0 := 0;~ldvarg0~0.base, ~ldvarg0~0.offset := 0, 0;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 0;~ldv_mutex_lock~0 := 0;~ldv_mutex_mutex_of_device~0 := 0; {8507#true} is VALID [2022-02-20 21:46:26,385 INFO L290 TraceCheckUtils]: 1: Hoare triple {8507#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet542#1, main_#t~switch543#1, main_#t~nondet544#1, main_#t~switch545#1, main_#t~ret546#1, main_#t~nondet547#1, main_#t~switch548#1, main_#t~ret549#1, main_~tmp~18#1, main_~tmp___0~9#1, main_~tmp___1~6#1;havoc main_~tmp~18#1;havoc main_~tmp___0~9#1;havoc main_~tmp___1~6#1;assume { :begin_inline_ldv_initialize } true;~ldv_mutex_cred_guard_mutex_of_signal_struct~0 := 1;~ldv_mutex_lock~0 := 1;~ldv_mutex_mutex_of_device~0 := 1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,386 INFO L290 TraceCheckUtils]: 2: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 0;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,386 INFO L290 TraceCheckUtils]: 3: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume -2147483648 <= main_#t~nondet542#1 && main_#t~nondet542#1 <= 2147483647;main_~tmp~18#1 := main_#t~nondet542#1;havoc main_#t~nondet542#1;main_#t~switch543#1 := 0 == main_~tmp~18#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,387 INFO L290 TraceCheckUtils]: 4: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume !main_#t~switch543#1;main_#t~switch543#1 := main_#t~switch543#1 || 1 == main_~tmp~18#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,387 INFO L290 TraceCheckUtils]: 5: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume main_#t~switch543#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,387 INFO L290 TraceCheckUtils]: 6: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet547#1 && main_#t~nondet547#1 <= 2147483647;main_~tmp___1~6#1 := main_#t~nondet547#1;havoc main_#t~nondet547#1;main_#t~switch548#1 := 0 == main_~tmp___1~6#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume !main_#t~switch548#1;main_#t~switch548#1 := main_#t~switch548#1 || 1 == main_~tmp___1~6#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume main_#t~switch548#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,389 INFO L290 TraceCheckUtils]: 9: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_flexcop_usb_driver_init } true;havoc flexcop_usb_driver_init_#res#1;havoc flexcop_usb_driver_init_#t~ret541#1, flexcop_usb_driver_init_~tmp~17#1;havoc flexcop_usb_driver_init_~tmp~17#1;assume { :begin_inline_ldv_usb_register_driver_8 } true;ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset := ~#flexcop_usb_driver~0.base, ~#flexcop_usb_driver~0.offset, ~#__this_module~0.base, ~#__this_module~0.offset, 37, 0;havoc ldv_usb_register_driver_8_#res#1;havoc ldv_usb_register_driver_8_#t~ret552#1, ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset, ldv_usb_register_driver_8_~ldv_func_res~1#1, ldv_usb_register_driver_8_~tmp~20#1;ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg1#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg1#1.offset;ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg2#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg2#1.offset;ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset := ldv_usb_register_driver_8_#in~ldv_func_arg3#1.base, ldv_usb_register_driver_8_#in~ldv_func_arg3#1.offset;havoc ldv_usb_register_driver_8_~ldv_func_res~1#1;havoc ldv_usb_register_driver_8_~tmp~20#1;assume { :begin_inline_usb_register_driver } true;usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset, usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset, usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset := ldv_usb_register_driver_8_~ldv_func_arg1#1.base, ldv_usb_register_driver_8_~ldv_func_arg1#1.offset, ldv_usb_register_driver_8_~ldv_func_arg2#1.base, ldv_usb_register_driver_8_~ldv_func_arg2#1.offset, ldv_usb_register_driver_8_~ldv_func_arg3#1.base, ldv_usb_register_driver_8_~ldv_func_arg3#1.offset;havoc usb_register_driver_#res#1;havoc usb_register_driver_#t~nondet580#1, usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset, usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset, usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset;usb_register_driver_~arg0#1.base, usb_register_driver_~arg0#1.offset := usb_register_driver_#in~arg0#1.base, usb_register_driver_#in~arg0#1.offset;usb_register_driver_~arg1#1.base, usb_register_driver_~arg1#1.offset := usb_register_driver_#in~arg1#1.base, usb_register_driver_#in~arg1#1.offset;usb_register_driver_~arg2#1.base, usb_register_driver_~arg2#1.offset := usb_register_driver_#in~arg2#1.base, usb_register_driver_#in~arg2#1.offset;assume -2147483648 <= usb_register_driver_#t~nondet580#1 && usb_register_driver_#t~nondet580#1 <= 2147483647;usb_register_driver_#res#1 := usb_register_driver_#t~nondet580#1;havoc usb_register_driver_#t~nondet580#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,389 INFO L290 TraceCheckUtils]: 10: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} ldv_usb_register_driver_8_#t~ret552#1 := usb_register_driver_#res#1;assume { :end_inline_usb_register_driver } true;assume -2147483648 <= ldv_usb_register_driver_8_#t~ret552#1 && ldv_usb_register_driver_8_#t~ret552#1 <= 2147483647;ldv_usb_register_driver_8_~tmp~20#1 := ldv_usb_register_driver_8_#t~ret552#1;havoc ldv_usb_register_driver_8_#t~ret552#1;ldv_usb_register_driver_8_~ldv_func_res~1#1 := ldv_usb_register_driver_8_~tmp~20#1;~ldv_state_variable_1~0 := 1;~usb_counter~0 := 0;ldv_usb_register_driver_8_#res#1 := ldv_usb_register_driver_8_~ldv_func_res~1#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,390 INFO L290 TraceCheckUtils]: 11: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} flexcop_usb_driver_init_#t~ret541#1 := ldv_usb_register_driver_8_#res#1;assume { :end_inline_ldv_usb_register_driver_8 } true;assume -2147483648 <= flexcop_usb_driver_init_#t~ret541#1 && flexcop_usb_driver_init_#t~ret541#1 <= 2147483647;flexcop_usb_driver_init_~tmp~17#1 := flexcop_usb_driver_init_#t~ret541#1;havoc flexcop_usb_driver_init_#t~ret541#1;flexcop_usb_driver_init_#res#1 := flexcop_usb_driver_init_~tmp~17#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,390 INFO L290 TraceCheckUtils]: 12: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} main_#t~ret549#1 := flexcop_usb_driver_init_#res#1;assume { :end_inline_flexcop_usb_driver_init } true;assume -2147483648 <= main_#t~ret549#1 && main_#t~ret549#1 <= 2147483647;~ldv_retval_1~0 := main_#t~ret549#1;havoc main_#t~ret549#1; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,391 INFO L290 TraceCheckUtils]: 13: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume !(0 == ~ldv_retval_1~0); {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,391 INFO L290 TraceCheckUtils]: 14: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume 0 != ~ldv_retval_1~0;~ldv_state_variable_0~0 := 2; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,391 INFO L290 TraceCheckUtils]: 15: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume { :begin_inline_ldv_check_final_state } true; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,392 INFO L290 TraceCheckUtils]: 16: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume 1 == ~ldv_mutex_cred_guard_mutex_of_signal_struct~0; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,392 INFO L290 TraceCheckUtils]: 17: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume 1 == ~ldv_mutex_lock~0; {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} is VALID [2022-02-20 21:46:26,393 INFO L290 TraceCheckUtils]: 18: Hoare triple {8509#(= 1 ~ldv_mutex_mutex_of_device~0)} assume !(1 == ~ldv_mutex_mutex_of_device~0); {8508#false} is VALID [2022-02-20 21:46:26,393 INFO L272 TraceCheckUtils]: 19: Hoare triple {8508#false} call ldv_error(); {8508#false} is VALID [2022-02-20 21:46:26,393 INFO L290 TraceCheckUtils]: 20: Hoare triple {8508#false} assume !false; {8508#false} is VALID [2022-02-20 21:46:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 21:46:26,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:46:26,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601104168] [2022-02-20 21:46:26,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601104168] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:46:26,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:46:26,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:46:26,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698328323] [2022-02-20 21:46:26,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:46:26,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 21:46:26,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:46:26,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:26,414 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:26,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:46:26,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:46:26,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:46:26,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:26,417 INFO L87 Difference]: Start difference. First operand 411 states and 551 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:27,801 INFO L93 Difference]: Finished difference Result 411 states and 551 transitions. [2022-02-20 21:46:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 21:46:27,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 21:46:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:46:27,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2022-02-20 21:46:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2022-02-20 21:46:27,806 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2022-02-20 21:46:28,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:46:28,029 INFO L225 Difference]: With dead ends: 411 [2022-02-20 21:46:28,029 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 21:46:28,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:46:28,031 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 265 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:46:28,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 283 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:46:28,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 21:46:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 21:46:28,032 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:46:28,033 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-02-20 21:46:28,033 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-02-20 21:46:28,033 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-02-20 21:46:28,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:28,033 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 21:46:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 21:46:28,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:28,034 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:28,034 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 21:46:28,034 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 21:46:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:46:28,034 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 21:46:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 21:46:28,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:28,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:46:28,035 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:46:28,035 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:46:28,035 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) [2022-02-20 21:46:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 21:46:28,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-02-20 21:46:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:46:28,036 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 21:46:28,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 21:46:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 21:46:28,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:46:28,038 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 21:46:28,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 21:46:28,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 21:46:29,065 INFO L858 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2022-02-20 21:46:29,065 INFO L858 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2022-02-20 21:46:29,065 INFO L861 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2022-02-20 21:46:29,065 INFO L858 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2022-02-20 21:46:29,065 INFO L858 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2022-02-20 21:46:29,065 INFO L861 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2022-02-20 21:46:29,065 INFO L858 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L861 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2022-02-20 21:46:29,066 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2022-02-20 21:46:29,067 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2022-02-20 21:46:29,067 INFO L858 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2022-02-20 21:46:29,067 INFO L861 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2022-02-20 21:46:29,067 INFO L861 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2022-02-20 21:46:29,068 INFO L858 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2022-02-20 21:46:29,068 INFO L858 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2022-02-20 21:46:29,068 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2022-02-20 21:46:29,068 INFO L861 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2022-02-20 21:46:29,069 INFO L858 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2022-02-20 21:46:29,070 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2022-02-20 21:46:29,072 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2022-02-20 21:46:29,072 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2022-02-20 21:46:29,072 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2022-02-20 21:46:29,073 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2022-02-20 21:46:29,073 INFO L858 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2022-02-20 21:46:29,073 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2022-02-20 21:46:29,073 INFO L854 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,073 INFO L858 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2022-02-20 21:46:29,073 INFO L858 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2022-02-20 21:46:29,073 INFO L854 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,073 INFO L858 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2022-02-20 21:46:29,074 INFO L854 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,074 INFO L858 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2022-02-20 21:46:29,074 INFO L858 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2022-02-20 21:46:29,074 INFO L858 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2022-02-20 21:46:29,074 INFO L858 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2022-02-20 21:46:29,074 INFO L854 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,076 INFO L858 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2022-02-20 21:46:29,076 INFO L854 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,076 INFO L858 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2022-02-20 21:46:29,076 INFO L858 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2022-02-20 21:46:29,076 INFO L858 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2022-02-20 21:46:29,076 INFO L858 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L858 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2022-02-20 21:46:29,077 INFO L854 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,077 INFO L858 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2022-02-20 21:46:29,078 INFO L854 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,078 INFO L858 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2022-02-20 21:46:29,078 INFO L854 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,079 INFO L854 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,079 INFO L854 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,079 INFO L854 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,079 INFO L858 garLoopResultBuilder]: For program point L6684-1(lines 6681 6693) no Hoare annotation was computed. [2022-02-20 21:46:29,079 INFO L858 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2022-02-20 21:46:29,079 INFO L858 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2022-02-20 21:46:29,079 INFO L854 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,079 INFO L858 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L854 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L6685-2(line 6685) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L6685(line 6685) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L6685-6(line 6685) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L6685-4(line 6685) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L858 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2022-02-20 21:46:29,080 INFO L854 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,080 INFO L854 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2022-02-20 21:46:29,081 INFO L858 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2022-02-20 21:46:29,082 INFO L854 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2022-02-20 21:46:29,082 INFO L858 garLoopResultBuilder]: For program point L6688(lines 6688 6691) no Hoare annotation was computed. [2022-02-20 21:46:29,082 INFO L858 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2022-02-20 21:46:29,082 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2022-02-20 21:46:29,082 INFO L854 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,082 INFO L858 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L6689-2(line 6689) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L6689(line 6689) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L6689-6(line 6689) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L6689-4(line 6689) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L854 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,083 INFO L858 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2022-02-20 21:46:29,083 INFO L854 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,084 INFO L858 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2022-02-20 21:46:29,084 INFO L854 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,084 INFO L858 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2022-02-20 21:46:29,084 INFO L854 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2022-02-20 21:46:29,084 INFO L854 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,084 INFO L858 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2022-02-20 21:46:29,084 INFO L861 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2022-02-20 21:46:29,084 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,085 INFO L858 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2022-02-20 21:46:29,085 INFO L854 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,085 INFO L854 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,085 INFO L854 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,085 INFO L858 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2022-02-20 21:46:29,085 INFO L858 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2022-02-20 21:46:29,085 INFO L858 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2022-02-20 21:46:29,085 INFO L854 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,085 INFO L854 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,086 INFO L854 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,086 INFO L858 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2022-02-20 21:46:29,086 INFO L854 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,086 INFO L858 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2022-02-20 21:46:29,086 INFO L854 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,086 INFO L858 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2022-02-20 21:46:29,086 INFO L854 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,086 INFO L861 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2022-02-20 21:46:29,088 INFO L854 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,088 INFO L854 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2022-02-20 21:46:29,088 INFO L858 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2022-02-20 21:46:29,089 INFO L858 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2022-02-20 21:46:29,089 INFO L858 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2022-02-20 21:46:29,089 INFO L854 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,089 INFO L854 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,089 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2022-02-20 21:46:29,089 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,089 INFO L854 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,089 INFO L854 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2022-02-20 21:46:29,090 INFO L854 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2022-02-20 21:46:29,090 INFO L854 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2022-02-20 21:46:29,090 INFO L854 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2022-02-20 21:46:29,090 INFO L858 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2022-02-20 21:46:29,091 INFO L854 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,091 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,091 INFO L858 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2022-02-20 21:46:29,091 INFO L858 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2022-02-20 21:46:29,092 INFO L858 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2022-02-20 21:46:29,092 INFO L858 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2022-02-20 21:46:29,092 INFO L854 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,093 INFO L854 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2022-02-20 21:46:29,093 INFO L854 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2022-02-20 21:46:29,093 INFO L854 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2022-02-20 21:46:29,093 INFO L858 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L858 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L854 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,094 INFO L858 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L854 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,094 INFO L854 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,094 INFO L858 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,094 INFO L854 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,095 INFO L854 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L6705-2(line 6705) no Hoare annotation was computed. [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L6705(line 6705) no Hoare annotation was computed. [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L6705-6(line 6705) no Hoare annotation was computed. [2022-02-20 21:46:29,095 INFO L854 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L6705-4(line 6705) no Hoare annotation was computed. [2022-02-20 21:46:29,095 INFO L858 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2022-02-20 21:46:29,096 INFO L858 garLoopResultBuilder]: For program point L6705-8(lines 6702 6725) no Hoare annotation was computed. [2022-02-20 21:46:29,096 INFO L854 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,096 INFO L858 garLoopResultBuilder]: For program point L6706-1(lines 6706 6709) no Hoare annotation was computed. [2022-02-20 21:46:29,096 INFO L854 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-02-20 21:46:29,096 INFO L858 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2022-02-20 21:46:29,096 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2022-02-20 21:46:29,096 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2022-02-20 21:46:29,096 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2022-02-20 21:46:29,099 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-20 21:46:29,100 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 21:46:29,102 WARN L170 areAnnotationChecker]: flexcop_device_kfreeFINAL has no Hoare annotation [2022-02-20 21:46:29,102 WARN L170 areAnnotationChecker]: L8032 has no Hoare annotation [2022-02-20 21:46:29,102 WARN L170 areAnnotationChecker]: ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2022-02-20 21:46:29,102 WARN L170 areAnnotationChecker]: ldv_errorFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: flexcop_device_exitFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: usb_submit_urbFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: __create_pipeFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: ldv__builtin_expectFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: L6653-1 has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: flexcop_device_kfreeFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: L8032 has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: L8032 has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: ldv_errorFINAL has no Hoare annotation [2022-02-20 21:46:29,103 WARN L170 areAnnotationChecker]: L7385-1 has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: usb_set_intfdataFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: flexcop_device_exitFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: usb_submit_urbFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: __create_pipeFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: ldv__builtin_expectFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: L6653-1 has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: flexcop_device_kfreeEXIT has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: flexcop_device_kfreeEXIT has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: ldv_mallocFINAL has no Hoare annotation [2022-02-20 21:46:29,104 WARN L170 areAnnotationChecker]: ldv_errorEXIT has no Hoare annotation [2022-02-20 21:46:29,105 WARN L170 areAnnotationChecker]: ldv_errorEXIT has no Hoare annotation [2022-02-20 21:46:29,105 WARN L170 areAnnotationChecker]: ldv_errorEXIT has no Hoare annotation [2022-02-20 21:46:29,105 WARN L170 areAnnotationChecker]: L7385-1 has no Hoare annotation [2022-02-20 21:46:29,105 WARN L170 areAnnotationChecker]: usb_set_intfdataFINAL has no Hoare annotation [2022-02-20 21:46:29,105 WARN L170 areAnnotationChecker]: flexcop_device_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: flexcop_device_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: usb_submit_urbEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: L7223 has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: L7240 has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: __create_pipeEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: ldv__builtin_expectEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: ldv__builtin_expectEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: ldv__builtin_expectEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: ldv__builtin_expectEXIT has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: L6655 has no Hoare annotation [2022-02-20 21:46:29,106 WARN L170 areAnnotationChecker]: L6655 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L7441 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L7454-1 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: ldv_mallocEXIT has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: ldv_mallocEXIT has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: ldv_mallocEXIT has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L8009-1 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L8009-1 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L8013-1 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: L8013-1 has no Hoare annotation [2022-02-20 21:46:29,107 WARN L170 areAnnotationChecker]: flexcop_usb_exitFINAL has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: usb_set_intfdataEXIT has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: usb_set_intfdataEXIT has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7513 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7452-1 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7331-1 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7223 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7223 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7240 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7240 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L7305-1 has no Hoare annotation [2022-02-20 21:46:29,108 WARN L170 areAnnotationChecker]: L6555-1 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L6741-1 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L6747 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L6655-2 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L6655-2 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L7520 has no Hoare annotation [2022-02-20 21:46:29,109 WARN L170 areAnnotationChecker]: L8053-1 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L8083-1 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L8036-1 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L8013-1 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: flexcop_usb_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: flexcop_usb_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L7378-1 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L7513 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L7513 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L7441 has no Hoare annotation [2022-02-20 21:46:29,110 WARN L170 areAnnotationChecker]: L7453-1 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7332 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7332 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7224 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7224 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7223-2 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L6775 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L6775 has no Hoare annotation [2022-02-20 21:46:29,111 WARN L170 areAnnotationChecker]: L7240-2 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L6557 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L6557 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L6742 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L6742 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L6749 has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: get_dma_opsFINAL has no Hoare annotation [2022-02-20 21:46:29,112 WARN L170 areAnnotationChecker]: L7520 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7520 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7401 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7280 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7453-1 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7420 has no Hoare annotation [2022-02-20 21:46:29,113 WARN L170 areAnnotationChecker]: L7514 has no Hoare annotation [2022-02-20 21:46:29,114 WARN L170 areAnnotationChecker]: L7514 has no Hoare annotation [2022-02-20 21:46:29,114 WARN L170 areAnnotationChecker]: L7543 has no Hoare annotation [2022-02-20 21:46:29,114 WARN L170 areAnnotationChecker]: L7543 has no Hoare annotation [2022-02-20 21:46:29,114 WARN L170 areAnnotationChecker]: L7354 has no Hoare annotation [2022-02-20 21:46:29,115 WARN L170 areAnnotationChecker]: L7337 has no Hoare annotation [2022-02-20 21:46:29,115 WARN L170 areAnnotationChecker]: L7337 has no Hoare annotation [2022-02-20 21:46:29,115 WARN L170 areAnnotationChecker]: L7224-2 has no Hoare annotation [2022-02-20 21:46:29,116 WARN L170 areAnnotationChecker]: L6775-2 has no Hoare annotation [2022-02-20 21:46:29,116 WARN L170 areAnnotationChecker]: flexcop_usb_transfer_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,116 WARN L170 areAnnotationChecker]: flexcop_usb_transfer_exitEXIT has no Hoare annotation [2022-02-20 21:46:29,116 WARN L170 areAnnotationChecker]: L7316-1 has no Hoare annotation [2022-02-20 21:46:29,116 WARN L170 areAnnotationChecker]: L7316-1 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L6747 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L6749 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L6749 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: get_dma_opsEXIT has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: get_dma_opsEXIT has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L7401 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L7401 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L7280 has no Hoare annotation [2022-02-20 21:46:29,117 WARN L170 areAnnotationChecker]: L7280 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7454-1 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7420 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7420 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7517 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7517 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7544 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7544 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7577 has no Hoare annotation [2022-02-20 21:46:29,118 WARN L170 areAnnotationChecker]: L7577 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L7354 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L7337-2 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L6736-1 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L7451-1 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L7316-1 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L7331-1 has no Hoare annotation [2022-02-20 21:46:29,119 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 21:46:29,120 WARN L170 areAnnotationChecker]: L6736-1 has no Hoare annotation [2022-02-20 21:46:29,120 WARN L170 areAnnotationChecker]: L6703-1 has no Hoare annotation [2022-02-20 21:46:29,120 WARN L170 areAnnotationChecker]: L7363 has no Hoare annotation [2022-02-20 21:46:29,120 WARN L170 areAnnotationChecker]: L7451-1 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7425 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7518 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7518 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7528 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7528 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7547 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7547 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7512 has no Hoare annotation [2022-02-20 21:46:29,121 WARN L170 areAnnotationChecker]: L7430 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L7223-2 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L7452-1 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L6741-1 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L7240-2 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L6555-1 has no Hoare annotation [2022-02-20 21:46:29,122 WARN L170 areAnnotationChecker]: L6705 has no Hoare annotation [2022-02-20 21:46:29,123 WARN L170 areAnnotationChecker]: L6705 has no Hoare annotation [2022-02-20 21:46:29,123 WARN L170 areAnnotationChecker]: L7363 has no Hoare annotation [2022-02-20 21:46:29,123 WARN L170 areAnnotationChecker]: L7363 has no Hoare annotation [2022-02-20 21:46:29,123 WARN L170 areAnnotationChecker]: L7425 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7425 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7529 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7529 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7536 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7536 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7548 has no Hoare annotation [2022-02-20 21:46:29,124 WARN L170 areAnnotationChecker]: L7548 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L7555 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L7555 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L7430 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L7430 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L7298 has no Hoare annotation [2022-02-20 21:46:29,125 WARN L170 areAnnotationChecker]: L6705-8 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L6705-8 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L6705-2 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L6705-2 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L7366 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L7366 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L8083-1 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L7263 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L7263 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L8053-1 has no Hoare annotation [2022-02-20 21:46:29,126 WARN L170 areAnnotationChecker]: L8036-1 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7516 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7556 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7556 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7570 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7570 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7298 has no Hoare annotation [2022-02-20 21:46:29,127 WARN L170 areAnnotationChecker]: L7298 has no Hoare annotation [2022-02-20 21:46:29,128 WARN L170 areAnnotationChecker]: L6706-1 has no Hoare annotation [2022-02-20 21:46:29,128 WARN L170 areAnnotationChecker]: L6705-4 has no Hoare annotation [2022-02-20 21:46:29,128 WARN L170 areAnnotationChecker]: L6705-4 has no Hoare annotation [2022-02-20 21:46:29,129 WARN L170 areAnnotationChecker]: L7369 has no Hoare annotation [2022-02-20 21:46:29,129 WARN L170 areAnnotationChecker]: L7369 has no Hoare annotation [2022-02-20 21:46:29,129 WARN L170 areAnnotationChecker]: L7263-2 has no Hoare annotation [2022-02-20 21:46:29,129 WARN L170 areAnnotationChecker]: L7546 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L7298-2 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L6643 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L6643 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L6705-6 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L6705-6 has no Hoare annotation [2022-02-20 21:46:29,130 WARN L170 areAnnotationChecker]: L7378-1 has no Hoare annotation [2022-02-20 21:46:29,131 WARN L170 areAnnotationChecker]: L7372 has no Hoare annotation [2022-02-20 21:46:29,131 WARN L170 areAnnotationChecker]: L7372 has no Hoare annotation [2022-02-20 21:46:29,131 WARN L170 areAnnotationChecker]: L6762 has no Hoare annotation [2022-02-20 21:46:29,131 WARN L170 areAnnotationChecker]: L6762 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L7305-1 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L6643-2 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L7372-2 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L6762-2 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L8007 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L7558 has no Hoare annotation [2022-02-20 21:46:29,132 WARN L170 areAnnotationChecker]: L6711 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L7373 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L7373 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L6703-1 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L8007 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L8007 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L7558 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L7558 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L6711 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L6711 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L7362 has no Hoare annotation [2022-02-20 21:46:29,133 WARN L170 areAnnotationChecker]: L8009-1 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L7558-2 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L7558-2 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L6715 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L6715 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L7270 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L6667 has no Hoare annotation [2022-02-20 21:46:29,134 WARN L170 areAnnotationChecker]: L6667 has no Hoare annotation [2022-02-20 21:46:29,135 WARN L170 areAnnotationChecker]: L7270 has no Hoare annotation [2022-02-20 21:46:29,135 WARN L170 areAnnotationChecker]: L7270 has no Hoare annotation [2022-02-20 21:46:29,135 WARN L170 areAnnotationChecker]: L6668 has no Hoare annotation [2022-02-20 21:46:29,135 WARN L170 areAnnotationChecker]: L6668 has no Hoare annotation [2022-02-20 21:46:29,135 WARN L170 areAnnotationChecker]: L6667-1 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L-1-4 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6684 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L-1-4 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6684 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6684 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6685 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6685 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6684-1 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6684-1 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6685-2 has no Hoare annotation [2022-02-20 21:46:29,136 WARN L170 areAnnotationChecker]: L6685-2 has no Hoare annotation [2022-02-20 21:46:29,137 WARN L170 areAnnotationChecker]: L6689 has no Hoare annotation [2022-02-20 21:46:29,137 WARN L170 areAnnotationChecker]: L6689 has no Hoare annotation [2022-02-20 21:46:29,137 WARN L170 areAnnotationChecker]: L6688 has no Hoare annotation [2022-02-20 21:46:29,137 WARN L170 areAnnotationChecker]: L6685-4 has no Hoare annotation [2022-02-20 21:46:29,137 WARN L170 areAnnotationChecker]: L6685-4 has no Hoare annotation [2022-02-20 21:46:29,138 WARN L170 areAnnotationChecker]: L6689-2 has no Hoare annotation [2022-02-20 21:46:29,138 WARN L170 areAnnotationChecker]: L6689-2 has no Hoare annotation [2022-02-20 21:46:29,138 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2022-02-20 21:46:29,138 WARN L170 areAnnotationChecker]: L6685-6 has no Hoare annotation [2022-02-20 21:46:29,138 WARN L170 areAnnotationChecker]: L6685-6 has no Hoare annotation [2022-02-20 21:46:29,139 WARN L170 areAnnotationChecker]: L6689-4 has no Hoare annotation [2022-02-20 21:46:29,139 WARN L170 areAnnotationChecker]: L6689-4 has no Hoare annotation [2022-02-20 21:46:29,139 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2022-02-20 21:46:29,139 WARN L170 areAnnotationChecker]: L6689-6 has no Hoare annotation [2022-02-20 21:46:29,139 WARN L170 areAnnotationChecker]: L6689-6 has no Hoare annotation [2022-02-20 21:46:29,140 INFO L163 areAnnotationChecker]: CFG has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 21:46:29,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 09:46:29 BoogieIcfgContainer [2022-02-20 21:46:29,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 21:46:29,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 21:46:29,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 21:46:29,177 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 21:46:29,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:46:14" (3/4) ... [2022-02-20 21:46:29,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2022-02-20 21:46:29,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-02-20 21:46:29,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2022-02-20 21:46:29,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-02-20 21:46:29,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2022-02-20 21:46:29,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-02-20 21:46:29,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-02-20 21:46:29,200 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-02-20 21:46:29,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-02-20 21:46:29,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-02-20 21:46:29,203 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-02-20 21:46:29,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 21:46:29,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 21:46:29,285 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 21:46:29,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 21:46:29,286 INFO L158 Benchmark]: Toolchain (without parser) took 17796.31ms. Allocated memory was 92.3MB in the beginning and 287.3MB in the end (delta: 195.0MB). Free memory was 56.5MB in the beginning and 92.9MB in the end (delta: -36.4MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,286 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 21:46:29,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.63ms. Allocated memory was 92.3MB in the beginning and 190.8MB in the end (delta: 98.6MB). Free memory was 56.3MB in the beginning and 109.1MB in the end (delta: -52.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.72ms. Allocated memory is still 190.8MB. Free memory was 109.1MB in the beginning and 97.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,287 INFO L158 Benchmark]: Boogie Preprocessor took 97.23ms. Allocated memory is still 190.8MB. Free memory was 97.7MB in the beginning and 88.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,287 INFO L158 Benchmark]: RCFGBuilder took 1638.61ms. Allocated memory is still 190.8MB. Free memory was 88.3MB in the beginning and 108.6MB in the end (delta: -20.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,288 INFO L158 Benchmark]: TraceAbstraction took 14552.70ms. Allocated memory was 190.8MB in the beginning and 287.3MB in the end (delta: 96.5MB). Free memory was 108.6MB in the beginning and 108.1MB in the end (delta: 534.6kB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,288 INFO L158 Benchmark]: Witness Printer took 109.25ms. Allocated memory is still 287.3MB. Free memory was 108.1MB in the beginning and 92.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 21:46:29,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.63ms. Allocated memory was 92.3MB in the beginning and 190.8MB in the end (delta: 98.6MB). Free memory was 56.3MB in the beginning and 109.1MB in the end (delta: -52.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.72ms. Allocated memory is still 190.8MB. Free memory was 109.1MB in the beginning and 97.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.23ms. Allocated memory is still 190.8MB. Free memory was 97.7MB in the beginning and 88.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1638.61ms. Allocated memory is still 190.8MB. Free memory was 88.3MB in the beginning and 108.6MB in the end (delta: -20.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 14552.70ms. Allocated memory was 190.8MB in the beginning and 287.3MB in the end (delta: 96.5MB). Free memory was 108.6MB in the beginning and 108.1MB in the end (delta: 534.6kB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. * Witness Printer took 109.25ms. Allocated memory is still 287.3MB. Free memory was 108.1MB in the beginning and 92.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 7671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1357 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1357 mSDsluCounter, 1761 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 291 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1470 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 246 PreInvPairs, 349 NumberOfFragments, 756 HoareAnnotationTreeSize, 246 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 90 FomulaSimplificationsInter, 2675 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 21:46:29,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE