./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:53:10,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:53:10,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:53:10,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:53:10,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:53:10,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:53:10,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:53:10,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:53:10,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:53:10,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:53:10,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:53:10,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:53:10,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:53:10,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:53:10,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:53:10,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:53:10,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:53:10,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:53:10,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:53:10,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:53:10,546 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:53:10,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:53:10,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:53:10,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:53:10,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:53:10,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:53:10,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:53:10,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:53:10,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:53:10,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:53:10,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:53:10,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:53:10,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:53:10,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:53:10,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:53:10,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:53:10,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:53:10,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:53:10,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:53:10,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:53:10,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:53:10,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:53:10,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:53:10,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:53:10,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:53:10,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:53:10,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:53:10,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:53:10,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:53:10,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:53:10,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:53:10,602 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:53:10,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:53:10,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:53:10,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:53:10,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:53:10,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:53:10,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:53:10,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:53:10,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:53:10,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:53:10,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:53:10,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:53:10,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:53:10,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:10,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:53:10,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:53:10,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:53:10,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:53:10,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:53:10,607 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:53:10,607 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:53:10,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:53:10,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2022-07-14 00:53:10,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:53:10,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:53:10,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:53:10,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:53:10,817 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:53:10,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:10,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536f0119/2a4a65615e4d4dc1a048e87b53479485/FLAG972850957 [2022-07-14 00:53:11,397 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:53:11,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:11,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536f0119/2a4a65615e4d4dc1a048e87b53479485/FLAG972850957 [2022-07-14 00:53:11,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536f0119/2a4a65615e4d4dc1a048e87b53479485 [2022-07-14 00:53:11,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:53:11,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:53:11,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:11,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:53:11,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:53:11,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:11" (1/1) ... [2022-07-14 00:53:11,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dbd4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:11, skipping insertion in model container [2022-07-14 00:53:11,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:11" (1/1) ... [2022-07-14 00:53:11,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:53:11,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:12,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2022-07-14 00:53:12,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:12,365 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:53:12,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2022-07-14 00:53:12,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:12,530 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:53:12,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12 WrapperNode [2022-07-14 00:53:12,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:12,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:12,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:53:12,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:53:12,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,595 INFO L137 Inliner]: procedures = 88, calls = 127, calls flagged for inlining = 39, calls inlined = 34, statements flattened = 554 [2022-07-14 00:53:12,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:12,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:53:12,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:53:12,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:53:12,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:53:12,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:53:12,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:53:12,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:53:12,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (1/1) ... [2022-07-14 00:53:12,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:53:12,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:53:12,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:53:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:53:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 00:53:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 00:53:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2022-07-14 00:53:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2022-07-14 00:53:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:53:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:53:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:53:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:53:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:53:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:53:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:53:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:53:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:53:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:53:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:53:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2022-07-14 00:53:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2022-07-14 00:53:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-14 00:53:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-14 00:53:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:53:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-14 00:53:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-14 00:53:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:53:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:53:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:53:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:53:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:53:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:53:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:53:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:53:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:53:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:53:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:53:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:53:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:53:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:53:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2022-07-14 00:53:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2022-07-14 00:53:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:53:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:53:12,989 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:53:12,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:53:13,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:53:13,383 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:53:13,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:53:13,390 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:53:13,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:13 BoogieIcfgContainer [2022-07-14 00:53:13,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:53:13,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:53:13,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:53:13,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:53:13,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:53:11" (1/3) ... [2022-07-14 00:53:13,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45335a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:53:13, skipping insertion in model container [2022-07-14 00:53:13,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:12" (2/3) ... [2022-07-14 00:53:13,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45335a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:53:13, skipping insertion in model container [2022-07-14 00:53:13,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:13" (3/3) ... [2022-07-14 00:53:13,401 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:13,413 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:53:13,413 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:53:13,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:53:13,496 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d9db4dc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3ded3140 [2022-07-14 00:53:13,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:53:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 149 states have (on average 1.3825503355704698) internal successors, (206), 159 states have internal predecessors, (206), 32 states have call successors, (32), 15 states have call predecessors, (32), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-14 00:53:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-14 00:53:13,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:13,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:13,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:13,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:13,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1405935903, now seen corresponding path program 1 times [2022-07-14 00:53:13,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:13,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21435639] [2022-07-14 00:53:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:13,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:13,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21435639] [2022-07-14 00:53:13,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21435639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:13,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:13,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:53:13,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580810182] [2022-07-14 00:53:13,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:13,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:13,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:13,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:13,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:13,904 INFO L87 Difference]: Start difference. First operand has 197 states, 149 states have (on average 1.3825503355704698) internal successors, (206), 159 states have internal predecessors, (206), 32 states have call successors, (32), 15 states have call predecessors, (32), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) 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) [2022-07-14 00:53:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:14,039 INFO L93 Difference]: Finished difference Result 558 states and 780 transitions. [2022-07-14 00:53:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:14,042 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 [2022-07-14 00:53:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:14,053 INFO L225 Difference]: With dead ends: 558 [2022-07-14 00:53:14,055 INFO L226 Difference]: Without dead ends: 348 [2022-07-14 00:53:14,064 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:53:14,071 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 234 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 511 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 [2022-07-14 00:53:14,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:14,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-07-14 00:53:14,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2022-07-14 00:53:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 269 states have (on average 1.3271375464684014) internal successors, (357), 274 states have internal predecessors, (357), 50 states have call successors, (50), 26 states have call predecessors, (50), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 455 transitions. [2022-07-14 00:53:14,169 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 455 transitions. Word has length 16 [2022-07-14 00:53:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:14,170 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 455 transitions. [2022-07-14 00:53:14,171 INFO L496 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) [2022-07-14 00:53:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 455 transitions. [2022-07-14 00:53:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-14 00:53:14,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:14,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:14,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:53:14,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:14,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1615512074, now seen corresponding path program 1 times [2022-07-14 00:53:14,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:14,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130590258] [2022-07-14 00:53:14,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:14,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:53:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:53:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:14,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:14,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130590258] [2022-07-14 00:53:14,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130590258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:14,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:14,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:53:14,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211999310] [2022-07-14 00:53:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:14,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:53:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:14,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:53:14,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:53:14,349 INFO L87 Difference]: Start difference. First operand 345 states and 455 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:14,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:14,513 INFO L93 Difference]: Finished difference Result 363 states and 473 transitions. [2022-07-14 00:53:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:53:14,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-14 00:53:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:14,520 INFO L225 Difference]: With dead ends: 363 [2022-07-14 00:53:14,520 INFO L226 Difference]: Without dead ends: 358 [2022-07-14 00:53:14,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:53:14,527 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 284 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:14,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 343 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:53:14,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-07-14 00:53:14,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 345. [2022-07-14 00:53:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 269 states have (on average 1.3234200743494424) internal successors, (356), 274 states have internal predecessors, (356), 50 states have call successors, (50), 26 states have call predecessors, (50), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 454 transitions. [2022-07-14 00:53:14,574 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 454 transitions. Word has length 32 [2022-07-14 00:53:14,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:14,574 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 454 transitions. [2022-07-14 00:53:14,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 454 transitions. [2022-07-14 00:53:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-14 00:53:14,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:14,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:14,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:53:14,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:14,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:14,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1672770376, now seen corresponding path program 1 times [2022-07-14 00:53:14,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:14,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204528684] [2022-07-14 00:53:14,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:14,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:53:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:53:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:14,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:14,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204528684] [2022-07-14 00:53:14,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204528684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:14,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:14,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:53:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851831816] [2022-07-14 00:53:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:14,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:53:14,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:14,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:53:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:53:14,701 INFO L87 Difference]: Start difference. First operand 345 states and 454 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:14,835 INFO L93 Difference]: Finished difference Result 692 states and 926 transitions. [2022-07-14 00:53:14,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:53:14,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-14 00:53:14,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:14,846 INFO L225 Difference]: With dead ends: 692 [2022-07-14 00:53:14,846 INFO L226 Difference]: Without dead ends: 345 [2022-07-14 00:53:14,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:53:14,848 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 261 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:14,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 331 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:53:14,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-07-14 00:53:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 336. [2022-07-14 00:53:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 261 states have (on average 1.318007662835249) internal successors, (344), 265 states have internal predecessors, (344), 49 states have call successors, (49), 26 states have call predecessors, (49), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 441 transitions. [2022-07-14 00:53:14,868 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 441 transitions. Word has length 32 [2022-07-14 00:53:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:14,869 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 441 transitions. [2022-07-14 00:53:14,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 441 transitions. [2022-07-14 00:53:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-14 00:53:14,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:14,871 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:14,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:53:14,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:14,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1261620505, now seen corresponding path program 1 times [2022-07-14 00:53:14,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:14,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590876271] [2022-07-14 00:53:14,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:14,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:53:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:53:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-14 00:53:14,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:14,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590876271] [2022-07-14 00:53:14,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590876271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:14,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:14,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:53:14,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648152762] [2022-07-14 00:53:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:14,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:53:14,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:14,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:53:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:53:14,931 INFO L87 Difference]: Start difference. First operand 336 states and 441 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:15,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:15,150 INFO L93 Difference]: Finished difference Result 842 states and 1130 transitions. [2022-07-14 00:53:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:53:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2022-07-14 00:53:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:15,156 INFO L225 Difference]: With dead ends: 842 [2022-07-14 00:53:15,156 INFO L226 Difference]: Without dead ends: 509 [2022-07-14 00:53:15,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:53:15,159 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 167 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:15,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 572 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 00:53:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-07-14 00:53:15,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 417. [2022-07-14 00:53:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 332 states have (on average 1.3343373493975903) internal successors, (443), 336 states have internal predecessors, (443), 57 states have call successors, (57), 28 states have call predecessors, (57), 27 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-14 00:53:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 556 transitions. [2022-07-14 00:53:15,195 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 556 transitions. Word has length 44 [2022-07-14 00:53:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:15,195 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 556 transitions. [2022-07-14 00:53:15,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 556 transitions. [2022-07-14 00:53:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-14 00:53:15,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:15,199 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:15,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:53:15,199 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:15,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2105893758, now seen corresponding path program 1 times [2022-07-14 00:53:15,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:15,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126212511] [2022-07-14 00:53:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:53:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:53:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 00:53:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:53:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-14 00:53:15,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:15,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126212511] [2022-07-14 00:53:15,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126212511] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:53:15,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505378793] [2022-07-14 00:53:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:15,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:53:15,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:53:15,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:53:15,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:53:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:15,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 00:53:15,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-14 00:53:15,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:15,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505378793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:15,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:53:15,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2022-07-14 00:53:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449028502] [2022-07-14 00:53:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:15,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:53:15,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:53:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:53:15,762 INFO L87 Difference]: Start difference. First operand 417 states and 556 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-14 00:53:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:15,807 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2022-07-14 00:53:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:53:15,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 69 [2022-07-14 00:53:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:15,810 INFO L225 Difference]: With dead ends: 845 [2022-07-14 00:53:15,811 INFO L226 Difference]: Without dead ends: 431 [2022-07-14 00:53:15,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:53:15,812 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 5 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:15,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1137 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-07-14 00:53:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 427. [2022-07-14 00:53:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 340 states have (on average 1.326470588235294) internal successors, (451), 344 states have internal predecessors, (451), 57 states have call successors, (57), 28 states have call predecessors, (57), 29 states have return successors, (60), 58 states have call predecessors, (60), 56 states have call successors, (60) [2022-07-14 00:53:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 568 transitions. [2022-07-14 00:53:15,832 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 568 transitions. Word has length 69 [2022-07-14 00:53:15,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:15,833 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 568 transitions. [2022-07-14 00:53:15,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-14 00:53:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 568 transitions. [2022-07-14 00:53:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-14 00:53:15,835 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:15,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:15,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:16,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:53:16,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:16,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:16,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1186291656, now seen corresponding path program 1 times [2022-07-14 00:53:16,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:16,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063068614] [2022-07-14 00:53:16,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:16,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:53:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:53:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:53:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:53:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:53:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:53:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:53:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-14 00:53:16,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:53:16,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063068614] [2022-07-14 00:53:16,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063068614] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:53:16,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018117931] [2022-07-14 00:53:16,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:16,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:53:16,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:53:16,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:53:16,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 00:53:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:16,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:53:16,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-14 00:53:16,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:16,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018117931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:16,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:53:16,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-07-14 00:53:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391690390] [2022-07-14 00:53:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:16,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:53:16,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:16,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:53:16,467 INFO L87 Difference]: Start difference. First operand 427 states and 568 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:53:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:16,512 INFO L93 Difference]: Finished difference Result 1225 states and 1632 transitions. [2022-07-14 00:53:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:16,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2022-07-14 00:53:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:16,519 INFO L225 Difference]: With dead ends: 1225 [2022-07-14 00:53:16,519 INFO L226 Difference]: Without dead ends: 801 [2022-07-14 00:53:16,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:53:16,522 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 163 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:16,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 495 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-07-14 00:53:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 797. [2022-07-14 00:53:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 645 states have (on average 1.331782945736434) internal successors, (859), 653 states have internal predecessors, (859), 97 states have call successors, (97), 51 states have call predecessors, (97), 54 states have return successors, (104), 100 states have call predecessors, (104), 96 states have call successors, (104) [2022-07-14 00:53:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1060 transitions. [2022-07-14 00:53:16,570 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1060 transitions. Word has length 73 [2022-07-14 00:53:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:16,572 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1060 transitions. [2022-07-14 00:53:16,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:53:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1060 transitions. [2022-07-14 00:53:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 00:53:16,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:16,575 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:16,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:16,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-14 00:53:16,801 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:16,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:16,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1774947442, now seen corresponding path program 1 times [2022-07-14 00:53:16,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:53:16,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107120901] [2022-07-14 00:53:16,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:16,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:53:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 00:53:16,864 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 00:53:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 00:53:16,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 00:53:16,948 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-14 00:53:16,949 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 00:53:16,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 00:53:16,953 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:16,956 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 00:53:17,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:53:17 BoogieIcfgContainer [2022-07-14 00:53:17,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 00:53:17,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 00:53:17,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 00:53:17,093 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 00:53:17,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:13" (3/4) ... [2022-07-14 00:53:17,096 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 00:53:17,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 00:53:17,097 INFO L158 Benchmark]: Toolchain (without parser) took 5403.66ms. Allocated memory was 86.0MB in the beginning and 186.6MB in the end (delta: 100.7MB). Free memory was 48.8MB in the beginning and 130.1MB in the end (delta: -81.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,097 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:53:17,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.59ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 64.2MB in the end (delta: -15.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.08ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 59.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,098 INFO L158 Benchmark]: Boogie Preprocessor took 69.64ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 55.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,098 INFO L158 Benchmark]: RCFGBuilder took 725.84ms. Allocated memory is still 104.9MB. Free memory was 55.5MB in the beginning and 42.8MB in the end (delta: 12.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,099 INFO L158 Benchmark]: TraceAbstraction took 3699.01ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 42.4MB in the beginning and 130.1MB in the end (delta: -87.7MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2022-07-14 00:53:17,099 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 186.6MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:53:17,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.59ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 64.2MB in the end (delta: -15.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.08ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 59.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.64ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 55.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 725.84ms. Allocated memory is still 104.9MB. Free memory was 55.5MB in the beginning and 42.8MB in the end (delta: 12.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3699.01ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 42.4MB in the beginning and 130.1MB in the end (delta: -87.7MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 186.6MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2900, overapproximation of bitwiseOr at line 2678, overapproximation of bitwiseAnd at line 2898. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; [L3141] FCALL ldv_initialize() [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0, tmp=1] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3168] COND TRUE ldv_state_variable_0 == 1 [L3169] CALL, EXPR iio_interrupt_trigger_driver_init() [L2971] int tmp ; [L2973] CALL, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3297] CALL, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3424] return __VERIFIER_nondet_int(); [L3297] RET, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3300] CALL ldv_platform_driver_init_2() [L3102] void *tmp ; [L3104] CALL, EXPR ldv_init_zalloc(1472UL) [L2726] void *p ; [L2727] void *tmp ; [L2729] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1472, __this_module={1475:1479}, calloc(1UL, size)={-18446744073709551617:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=1472] [L2729] tmp = calloc(1UL, size) [L2730] p = tmp VAL [\old(size)=1472, __this_module={1475:1479}, calloc(1UL, size)={-18446744073709551617:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=1472, tmp={-18446744073709551617:0}] [L2731] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={1475:1479}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2731] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1472, __this_module={1475:1479}, calloc(1UL, size)={-18446744073709551617:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=1472, tmp={-18446744073709551617:0}] [L2732] return (p); VAL [\old(size)=1472, \result={-18446744073709551617:0}, __this_module={1475:1479}, calloc(1UL, size)={-18446744073709551617:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=1472, tmp={-18446744073709551617:0}] [L3104] RET, EXPR ldv_init_zalloc(1472UL) [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp={-18446744073709551617:0}] [L3300] RET ldv_platform_driver_init_2() [L3301] return (ldv_func_res); VAL [\result=0, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, ldv_func_arg1={7:0}, ldv_func_arg1={7:0}, ldv_func_arg2={1475:1479}, ldv_func_arg2={1475:1479}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=0] [L2973] RET, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [\result=0, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=0] [L3169] RET, EXPR iio_interrupt_trigger_driver_init() [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1, tmp___1=0] [L3194] COND TRUE ldv_state_variable_2 == 1 VAL [__this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1, tmp___1=0] [L3195] CALL iio_interrupt_trigger_probe(iio_interrupt_trigger_driver_group1) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2893] CALL, EXPR platform_get_resource(pdev, 1024U, 0U) [L3452] CALL, EXPR ldv_malloc(sizeof(struct resource)) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551615:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2688] COND FALSE !(!cond) VAL [\old(cond)=1, \old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2702] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551615:0}, tmp___0=0] [L2703] return (p); VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, \result={-18446744073709551615:0}, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551615:0}, tmp___0=0] [L3452] RET, EXPR ldv_malloc(sizeof(struct resource)) VAL [\old(arg1)=1024, \old(arg2)=0, \old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, arg0={-18446744073709551617:0}, arg0={-18446744073709551617:0}, arg1=1024, arg2=0, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_malloc(sizeof(struct resource))={-18446744073709551615:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] RET, EXPR platform_get_resource(pdev, 1024U, 0U) [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irq_res={-18446744073709551615:0}, irq_res->flags=1474, irqflags = (irq_res->flags & 15UL) | 128UL=1473, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={-18446744073709551617:0}, pdev={-18446744073709551617:0}, probed_2=0, ref_cnt=0, ret=0] [L2898] irqflags = (irq_res->flags & 15UL) | 128UL VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irq_res={-18446744073709551615:0}, irq_res->flags=1474, irqflags=128, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={-18446744073709551617:0}, pdev={-18446744073709551617:0}, probed_2=0, ref_cnt=0, ret=0] [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-8:9}, irq=0, irq_res={-18446744073709551615:0}, irqflags=128, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={-18446744073709551617:0}, pdev={-18446744073709551617:0}, probed_2=0, ref_cnt=0, ret=0, trig={-8:9}] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2906] CALL, EXPR kzalloc(4UL, 208U) [L2676] void *tmp ; [L2678] CALL, EXPR kmalloc(size, flags | 32768U) [L2667] void *tmp___2 ; [L2669] CALL, EXPR __kmalloc(size, flags) [L2662] CALL, EXPR ldv_malloc(size) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp___0=1] [L2662] RET, EXPR ldv_malloc(size) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \old(t)=1476, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_malloc(size)={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, t=1476] [L2662] return ldv_malloc(size); [L2669] RET, EXPR __kmalloc(size, flags) [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [\old(flags)=1476, \old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={1475:1479}, flags=1476, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp___2={0:0}] [L2678] RET, EXPR kmalloc(size, flags | 32768U) [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [\old(flags)=208, \old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={1475:1479}, flags=208, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp={0:0}] [L2906] RET, EXPR kzalloc(4UL, 208U) [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-8:9}, irq=0, irq_res={-18446744073709551615:0}, irqflags=128, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={-18446744073709551617:0}, pdev={-18446744073709551617:0}, probed_2=0, ref_cnt=0, ret=0, tmp={0:0}, trig={-8:9}, trig_info={0:0}] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-8:9}, irq=0, irq_res={-18446744073709551615:0}, irqflags=128, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={-18446744073709551617:0}, pdev={-18446744073709551617:0}, probed_2=0, ref_cnt=0, ret=-12, tmp={0:0}, trig={-8:9}, trig_info={0:0}] [L2935] CALL iio_trigger_put(trig) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2850] EXPR trig->ops [L2850] EXPR (trig->ops)->owner [L2850] CALL ldv_module_put_5((trig->ops)->owner) [L3247] CALL ldv_module_put(ldv_func_arg1) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={11:-10}, probed_2=0, ref_cnt=0] [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={11:-10}, module={11:-10}, probed_2=0, ref_cnt=0] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={11:-10}, module={11:-10}, probed_2=0, ref_cnt=0] [L3389] CALL ldv_error() VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3317] reach_error() VAL [\old(irqflags = (irq_res->flags & 15UL) | 128UL)=1473, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_0)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_1)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_2)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_data_1_3)=0, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={1475:1479}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irqflags = (irq_res->flags & 15UL) | 128UL=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1147 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1114 mSDsluCounter, 3389 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1889 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 260 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 1500 mSDtfsCounter, 260 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 125 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1283 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-14 00:53:17,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:53:19,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:53:19,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:53:19,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:53:19,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:53:19,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:53:19,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:53:19,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:53:19,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:53:19,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:53:19,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:53:19,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:53:19,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:53:19,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:53:19,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:53:19,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:53:19,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:53:19,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:53:19,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:53:19,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:53:19,175 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:53:19,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:53:19,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:53:19,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:53:19,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:53:19,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:53:19,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:53:19,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:53:19,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:53:19,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:53:19,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:53:19,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:53:19,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:53:19,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:53:19,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:53:19,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:53:19,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:53:19,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:53:19,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:53:19,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:53:19,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:53:19,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:53:19,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:53:19,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:53:19,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:53:19,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:53:19,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:53:19,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:53:19,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:53:19,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:53:19,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:53:19,233 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:53:19,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:53:19,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:53:19,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:53:19,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:53:19,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:53:19,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:53:19,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:53:19,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:53:19,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:53:19,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:53:19,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:53:19,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:53:19,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:53:19,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:53:19,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:19,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:53:19,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:53:19,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:53:19,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:53:19,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:53:19,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:53:19,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:53:19,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:53:19,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:53:19,238 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2022-07-14 00:53:19,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:53:19,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:53:19,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:53:19,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:53:19,546 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:53:19,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:19,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6f6a7d5/7267f119582e429a9a44273de7849fd8/FLAG2e0b7463d [2022-07-14 00:53:20,197 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:53:20,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:20,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6f6a7d5/7267f119582e429a9a44273de7849fd8/FLAG2e0b7463d [2022-07-14 00:53:20,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6f6a7d5/7267f119582e429a9a44273de7849fd8 [2022-07-14 00:53:20,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:53:20,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:53:20,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:20,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:53:20,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:53:20,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:20" (1/1) ... [2022-07-14 00:53:20,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662427ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:20, skipping insertion in model container [2022-07-14 00:53:20,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:20" (1/1) ... [2022-07-14 00:53:20,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:53:20,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:21,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2022-07-14 00:53:21,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:21,274 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:53:21,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:21,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2022-07-14 00:53:21,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:21,452 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:53:21,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2022-07-14 00:53:21,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:21,607 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:53:21,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21 WrapperNode [2022-07-14 00:53:21,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:21,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:21,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:53:21,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:53:21,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,694 INFO L137 Inliner]: procedures = 93, calls = 127, calls flagged for inlining = 39, calls inlined = 34, statements flattened = 518 [2022-07-14 00:53:21,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:21,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:53:21,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:53:21,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:53:21,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:53:21,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:53:21,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:53:21,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:53:21,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (1/1) ... [2022-07-14 00:53:21,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:53:21,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:53:21,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:53:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:53:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 00:53:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 00:53:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2022-07-14 00:53:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2022-07-14 00:53:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:53:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:53:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:53:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:53:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:53:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:53:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:53:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:53:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:53:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:53:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:53:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:53:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2022-07-14 00:53:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2022-07-14 00:53:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-14 00:53:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-14 00:53:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:53:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:53:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-14 00:53:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-14 00:53:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:53:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:53:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:53:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:53:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:53:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:53:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:53:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:53:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:53:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:53:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:53:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:53:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:53:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:53:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2022-07-14 00:53:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2022-07-14 00:53:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:53:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:53:22,174 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:53:22,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:53:22,499 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:53:22,745 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:53:22,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:53:22,753 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:53:22,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:22 BoogieIcfgContainer [2022-07-14 00:53:22,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:53:22,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:53:22,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:53:22,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:53:22,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:53:20" (1/3) ... [2022-07-14 00:53:22,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89c622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:53:22, skipping insertion in model container [2022-07-14 00:53:22,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:21" (2/3) ... [2022-07-14 00:53:22,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89c622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:53:22, skipping insertion in model container [2022-07-14 00:53:22,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:22" (3/3) ... [2022-07-14 00:53:22,762 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2022-07-14 00:53:22,773 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:53:22,774 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:53:22,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:53:22,822 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4b1b5e51, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a4e8c2 [2022-07-14 00:53:22,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:53:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 144 states have (on average 1.3680555555555556) internal successors, (197), 154 states have internal predecessors, (197), 32 states have call successors, (32), 15 states have call predecessors, (32), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-14 00:53:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-14 00:53:22,835 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:22,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:22,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:22,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash -680376095, now seen corresponding path program 1 times [2022-07-14 00:53:22,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:22,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106691296] [2022-07-14 00:53:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:22,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:22,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:22,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:22,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:53:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:23,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:53:23,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:23,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:23,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:53:23,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106691296] [2022-07-14 00:53:23,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106691296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:23,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:23,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:53:23,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552668148] [2022-07-14 00:53:23,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:23,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:23,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:53:23,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:23,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:23,191 INFO L87 Difference]: Start difference. First operand has 192 states, 144 states have (on average 1.3680555555555556) internal successors, (197), 154 states have internal predecessors, (197), 32 states have call successors, (32), 15 states have call predecessors, (32), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) 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) [2022-07-14 00:53:23,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:23,344 INFO L93 Difference]: Finished difference Result 543 states and 753 transitions. [2022-07-14 00:53:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:23,346 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 [2022-07-14 00:53:23,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:23,357 INFO L225 Difference]: With dead ends: 543 [2022-07-14 00:53:23,357 INFO L226 Difference]: Without dead ends: 338 [2022-07-14 00:53:23,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:23,365 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 228 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:23,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 500 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:53:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-07-14 00:53:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 335. [2022-07-14 00:53:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 259 states have (on average 1.332046332046332) internal successors, (345), 264 states have internal predecessors, (345), 50 states have call successors, (50), 26 states have call predecessors, (50), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 443 transitions. [2022-07-14 00:53:23,441 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 443 transitions. Word has length 16 [2022-07-14 00:53:23,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:23,444 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 443 transitions. [2022-07-14 00:53:23,446 INFO L496 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) [2022-07-14 00:53:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 443 transitions. [2022-07-14 00:53:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-14 00:53:23,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:23,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:23,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:23,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:23,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:23,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:23,663 INFO L85 PathProgramCache]: Analyzing trace with hash 926225930, now seen corresponding path program 1 times [2022-07-14 00:53:23,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:23,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878547657] [2022-07-14 00:53:23,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:23,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:23,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:53:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:23,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:53:23,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:23,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:23,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:53:23,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878547657] [2022-07-14 00:53:23,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878547657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:23,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:23,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:53:23,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485882840] [2022-07-14 00:53:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:23,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:23,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:53:23,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:23,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:23,880 INFO L87 Difference]: Start difference. First operand 335 states and 443 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:23,938 INFO L93 Difference]: Finished difference Result 345 states and 451 transitions. [2022-07-14 00:53:23,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:23,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-14 00:53:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:23,944 INFO L225 Difference]: With dead ends: 345 [2022-07-14 00:53:23,944 INFO L226 Difference]: Without dead ends: 340 [2022-07-14 00:53:23,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:23,946 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 231 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 243 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 [2022-07-14 00:53:23,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-07-14 00:53:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 335. [2022-07-14 00:53:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 259 states have (on average 1.3281853281853282) internal successors, (344), 264 states have internal predecessors, (344), 50 states have call successors, (50), 26 states have call predecessors, (50), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 442 transitions. [2022-07-14 00:53:23,988 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 442 transitions. Word has length 32 [2022-07-14 00:53:23,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:23,989 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 442 transitions. [2022-07-14 00:53:23,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 442 transitions. [2022-07-14 00:53:23,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-14 00:53:23,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:23,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:24,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:24,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:24,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash 983484232, now seen corresponding path program 1 times [2022-07-14 00:53:24,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:24,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438585324] [2022-07-14 00:53:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:24,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:24,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:24,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:24,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:53:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:24,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:53:24,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:53:24,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:24,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:53:24,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438585324] [2022-07-14 00:53:24,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438585324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:24,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:24,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:53:24,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503334514] [2022-07-14 00:53:24,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:24,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:53:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:24,485 INFO L87 Difference]: Start difference. First operand 335 states and 442 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:24,509 INFO L93 Difference]: Finished difference Result 664 states and 890 transitions. [2022-07-14 00:53:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:24,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-14 00:53:24,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:24,515 INFO L225 Difference]: With dead ends: 664 [2022-07-14 00:53:24,515 INFO L226 Difference]: Without dead ends: 327 [2022-07-14 00:53:24,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:24,519 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 203 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:24,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-07-14 00:53:24,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 326. [2022-07-14 00:53:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 251 states have (on average 1.3227091633466135) internal successors, (332), 255 states have internal predecessors, (332), 49 states have call successors, (49), 26 states have call predecessors, (49), 25 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-14 00:53:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 429 transitions. [2022-07-14 00:53:24,562 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 429 transitions. Word has length 32 [2022-07-14 00:53:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:24,563 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 429 transitions. [2022-07-14 00:53:24,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 429 transitions. [2022-07-14 00:53:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-14 00:53:24,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:24,566 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:24,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:24,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:24,778 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:24,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1303166475, now seen corresponding path program 1 times [2022-07-14 00:53:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:24,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803349444] [2022-07-14 00:53:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:24,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:24,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:53:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:25,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:53:25,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-14 00:53:25,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:25,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:53:25,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803349444] [2022-07-14 00:53:25,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803349444] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:25,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:25,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:53:25,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141259757] [2022-07-14 00:53:25,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:25,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:53:25,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:53:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:53:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:25,034 INFO L87 Difference]: Start difference. First operand 326 states and 429 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:25,098 INFO L93 Difference]: Finished difference Result 732 states and 974 transitions. [2022-07-14 00:53:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:53:25,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-07-14 00:53:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:25,101 INFO L225 Difference]: With dead ends: 732 [2022-07-14 00:53:25,102 INFO L226 Difference]: Without dead ends: 409 [2022-07-14 00:53:25,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:53:25,103 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 56 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:25,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 442 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:25,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-07-14 00:53:25,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 407. [2022-07-14 00:53:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 322 states have (on average 1.3385093167701863) internal successors, (431), 326 states have internal predecessors, (431), 57 states have call successors, (57), 28 states have call predecessors, (57), 27 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-14 00:53:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 544 transitions. [2022-07-14 00:53:25,144 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 544 transitions. Word has length 39 [2022-07-14 00:53:25,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:25,144 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 544 transitions. [2022-07-14 00:53:25,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-14 00:53:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 544 transitions. [2022-07-14 00:53:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-14 00:53:25,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:25,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:25,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:25,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:25,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:25,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1902296280, now seen corresponding path program 1 times [2022-07-14 00:53:25,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:25,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008154179] [2022-07-14 00:53:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:25,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:25,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:25,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:53:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:53:25,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:53:25,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:53:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-14 00:53:25,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:53:25,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:53:25,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008154179] [2022-07-14 00:53:25,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008154179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:53:25,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:53:25,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:53:25,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858052923] [2022-07-14 00:53:25,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:53:25,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:53:25,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:53:25,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:53:25,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:53:25,744 INFO L87 Difference]: Start difference. First operand 407 states and 544 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-14 00:53:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:53:25,847 INFO L93 Difference]: Finished difference Result 825 states and 1105 transitions. [2022-07-14 00:53:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:53:25,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2022-07-14 00:53:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:53:25,854 INFO L225 Difference]: With dead ends: 825 [2022-07-14 00:53:25,855 INFO L226 Difference]: Without dead ends: 421 [2022-07-14 00:53:25,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:53:25,858 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 5 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:53:25,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1108 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:53:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-07-14 00:53:25,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 417. [2022-07-14 00:53:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 330 states have (on average 1.3303030303030303) internal successors, (439), 334 states have internal predecessors, (439), 57 states have call successors, (57), 28 states have call predecessors, (57), 29 states have return successors, (60), 58 states have call predecessors, (60), 56 states have call successors, (60) [2022-07-14 00:53:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 556 transitions. [2022-07-14 00:53:25,895 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 556 transitions. Word has length 64 [2022-07-14 00:53:25,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:53:25,896 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 556 transitions. [2022-07-14 00:53:25,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-14 00:53:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 556 transitions. [2022-07-14 00:53:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-14 00:53:25,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:53:25,901 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:53:25,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:26,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:26,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:53:26,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:53:26,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1864691340, now seen corresponding path program 1 times [2022-07-14 00:53:26,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:53:26,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237175090] [2022-07-14 00:53:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:53:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:53:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:53:26,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:53:26,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:53:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 00:53:26,551 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 00:53:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 00:53:26,970 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-14 00:53:26,970 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-14 00:53:26,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 00:53:26,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:53:27,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:53:27,185 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-14 00:53:27,188 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 00:53:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:53:27 BoogieIcfgContainer [2022-07-14 00:53:27,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 00:53:27,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 00:53:27,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 00:53:27,354 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 00:53:27,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:53:22" (3/4) ... [2022-07-14 00:53:27,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 00:53:27,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 00:53:27,358 INFO L158 Benchmark]: Toolchain (without parser) took 6778.72ms. Allocated memory was 56.6MB in the beginning and 151.0MB in the end (delta: 94.4MB). Free memory was 30.8MB in the beginning and 71.4MB in the end (delta: -40.6MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,358 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:53:27,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.26ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 38.5MB in the end (delta: -8.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.21ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 34.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,359 INFO L158 Benchmark]: Boogie Preprocessor took 61.23ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 29.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,359 INFO L158 Benchmark]: RCFGBuilder took 991.40ms. Allocated memory was 73.4MB in the beginning and 123.7MB in the end (delta: 50.3MB). Free memory was 29.5MB in the beginning and 81.5MB in the end (delta: -52.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,359 INFO L158 Benchmark]: TraceAbstraction took 4596.70ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 80.9MB in the beginning and 72.4MB in the end (delta: 8.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,360 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 00:53:27,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.26ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 38.5MB in the end (delta: -8.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.21ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 34.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.23ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 29.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 991.40ms. Allocated memory was 73.4MB in the beginning and 123.7MB in the end (delta: 50.3MB). Free memory was 29.5MB in the beginning and 81.5MB in the end (delta: -52.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4596.70ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 80.9MB in the beginning and 72.4MB in the end (delta: 8.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2900. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; [L3141] FCALL ldv_initialize() [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0, tmp=1] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3168] COND TRUE ldv_state_variable_0 == 1 [L3169] CALL, EXPR iio_interrupt_trigger_driver_init() [L2971] int tmp ; [L2973] CALL, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3297] CALL, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3424] return __VERIFIER_nondet_int(); [L3297] RET, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3300] CALL ldv_platform_driver_init_2() [L3102] void *tmp ; [L3104] CALL, EXPR ldv_init_zalloc(1472UL) [L2726] void *p ; [L2727] void *tmp ; [L2729] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1472, __this_module={0:0}, calloc(1UL, size)={15:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=1472] [L2729] tmp = calloc(1UL, size) [L2730] p = tmp VAL [\old(size)=1472, __this_module={0:0}, calloc(1UL, size)={15:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={15:0}, probed_2=0, ref_cnt=0, size=1472, tmp={15:0}] [L2731] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:0}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2731] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1472, __this_module={0:0}, calloc(1UL, size)={15:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={15:0}, probed_2=0, ref_cnt=0, size=1472, tmp={15:0}] [L2732] return (p); VAL [\old(size)=1472, \result={15:0}, __this_module={0:0}, calloc(1UL, size)={15:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, p={15:0}, probed_2=0, ref_cnt=0, size=1472, tmp={15:0}] [L3104] RET, EXPR ldv_init_zalloc(1472UL) [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp={15:0}] [L3300] RET ldv_platform_driver_init_2() [L3301] return (ldv_func_res); VAL [\result=0, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, ldv_func_arg1={7:0}, ldv_func_arg1={7:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=0] [L2973] RET, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [\result=0, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=0] [L3169] RET, EXPR iio_interrupt_trigger_driver_init() [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=1, tmp___0=1] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1, tmp___1=0] [L3194] COND TRUE ldv_state_variable_2 == 1 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, tmp=2, tmp___0=1, tmp___1=0] [L3195] CALL iio_interrupt_trigger_probe(iio_interrupt_trigger_driver_group1) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2893] CALL, EXPR platform_get_resource(pdev, 1024U, 0U) [L3452] CALL, EXPR ldv_malloc(sizeof(struct resource)) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={17:0}, probed_2=0, ref_cnt=0, size=56, tmp={17:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2688] COND FALSE !(!cond) VAL [\old(cond)=1, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2702] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={17:0}, probed_2=0, ref_cnt=0, size=56, tmp={17:0}, tmp___0=0] [L2703] return (p); VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=56, \result={17:0}, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={17:0}, probed_2=0, ref_cnt=0, size=56, tmp={17:0}, tmp___0=0] [L3452] RET, EXPR ldv_malloc(sizeof(struct resource)) VAL [\old(arg1)=null, \old(arg2)=null, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, arg0={15:0}, arg0={15:0}, arg1=null, arg2=null, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_malloc(sizeof(struct resource))={17:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] RET, EXPR platform_get_resource(pdev, 1024U, 0U) [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-9223372036854775808:0}, irq=0, irq_res={17:0}, irqflags=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={15:0}, pdev={15:0}, probed_2=0, ref_cnt=0, ret=0, trig={-9223372036854775808:0}] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2906] CALL, EXPR kzalloc(4UL, 208U) [L2676] void *tmp ; [L2678] CALL, EXPR kmalloc(size, flags | 32768U) [L2667] void *tmp___2 ; [L2669] CALL, EXPR __kmalloc(size, flags) [L2662] CALL, EXPR ldv_malloc(size) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp___0=2147483648] [L2662] RET, EXPR ldv_malloc(size) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \old(t)=32976, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_malloc(size)={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, t=32976] [L2662] return ldv_malloc(size); [L2669] RET, EXPR __kmalloc(size, flags) [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [\old(flags)=32976, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={0:0}, flags=32976, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp___2={0:0}] [L2678] RET, EXPR kmalloc(size, flags | 32768U) [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [\old(flags)=208, \old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, \old(size)=4, \result={0:0}, __this_module={0:0}, flags=208, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0, size=4, tmp={0:0}] [L2906] RET, EXPR kzalloc(4UL, 208U) [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-9223372036854775808:0}, irq=0, irq_res={17:0}, irqflags=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={15:0}, pdev={15:0}, probed_2=0, ref_cnt=0, ret=0, tmp={0:0}, trig={-9223372036854775808:0}, trig_info={0:0}] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, iio_trigger_alloc("irqtrig%d", irq)={-9223372036854775808:0}, irq=0, irq_res={17:0}, irqflags=128, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pdev={15:0}, pdev={15:0}, probed_2=0, ref_cnt=0, ret=4294967284, tmp={0:0}, trig={-9223372036854775808:0}, trig_info={0:0}] [L2935] CALL iio_trigger_put(trig) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2850] EXPR trig->ops [L2850] EXPR (trig->ops)->owner [L2850] CALL ldv_module_put_5((trig->ops)->owner) [L3247] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={0:-9223372036854775808}, probed_2=0, ref_cnt=0] [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={0:-9223372036854775808}, module={0:-9223372036854775808}, probed_2=0, ref_cnt=0] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, module={0:-9223372036854775808}, module={0:-9223372036854775808}, probed_2=0, ref_cnt=0] [L3389] CALL ldv_error() VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3317] reach_error() VAL [\old(ldv_irq_1_0)=0, \old(ldv_irq_1_1)=0, \old(ldv_irq_1_2)=0, \old(ldv_irq_1_3)=0, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_0)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_1)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_2)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_data_1_3)=null, \old(ldv_irq_line_1_0)=0, \old(ldv_irq_line_1_1)=0, \old(ldv_irq_line_1_2)=0, \old(ldv_irq_line_1_3)=0, \old(ldv_module_refcounter)=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={15:0}, iio_interrupt_trigger_ops={6:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 193 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 723 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 723 mSDsluCounter, 2524 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1326 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1198 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1152 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-14 00:53:27,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample