./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:55:30,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:55:30,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:55:30,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:55:30,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:55:30,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:55:30,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:55:30,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:55:30,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:55:30,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:55:30,533 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:55:30,533 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:55:30,534 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:55:30,534 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:55:30,535 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:55:30,535 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:55:30,536 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:55:30,536 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:55:30,536 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:55:30,537 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:55:30,537 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:55:30,539 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:55:30,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:55:30,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:55:30,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:55:30,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:55:30,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:55:30,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:55:30,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:55:30,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:55:30,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:55:30,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:55:30,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:55:30,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:55:30,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:30,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:55:30,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:55:30,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:55:30,545 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:55:30,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:55:30,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:55:30,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:55:30,546 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:55:30,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:55:30,546 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2023-12-02 14:55:30,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:55:30,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:55:30,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:55:30,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:55:30,806 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:55:30,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/../../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 [2023-12-02 14:55:33,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:55:33,829 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:55:33,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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 [2023-12-02 14:55:33,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/2322c3b12/e3d93e278cc54d43b08b426b3fa7cf99/FLAG1dc5e13e8 [2023-12-02 14:55:33,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/2322c3b12/e3d93e278cc54d43b08b426b3fa7cf99 [2023-12-02 14:55:33,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:55:33,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:55:33,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:33,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:55:33,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:55:33,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:33" (1/1) ... [2023-12-02 14:55:33,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:33, skipping insertion in model container [2023-12-02 14:55:33,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:33" (1/1) ... [2023-12-02 14:55:33,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:55:34,382 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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] [2023-12-02 14:55:34,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:34,423 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:55:34,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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] [2023-12-02 14:55:34,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:34,597 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:55:34,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34 WrapperNode [2023-12-02 14:55:34,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:34,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:34,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:55:34,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:55:34,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,694 INFO L138 Inliner]: procedures = 88, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 581 [2023-12-02 14:55:34,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:34,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:55:34,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:55:34,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:55:34,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:55:34,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:55:34,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:55:34,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:55:34,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (1/1) ... [2023-12-02 14:55:34,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:34,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:34,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:55:34,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:55:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:55:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 14:55:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 14:55:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2023-12-02 14:55:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2023-12-02 14:55:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:55:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 14:55:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 14:55:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 14:55:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 14:55:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:55:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 14:55:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 14:55:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:55:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:55:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:55:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2023-12-02 14:55:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2023-12-02 14:55:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-12-02 14:55:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-12-02 14:55:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:55:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 14:55:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 14:55:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:55:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 14:55:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 14:55:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 14:55:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 14:55:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:55:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 14:55:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 14:55:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-12-02 14:55:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-12-02 14:55:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:55:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:55:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:55:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:55:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2023-12-02 14:55:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2023-12-02 14:55:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:55:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:55:35,072 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:55:35,074 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:55:35,337 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 14:55:35,556 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:55:35,802 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:55:35,802 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:55:35,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:35 BoogieIcfgContainer [2023-12-02 14:55:35,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:55:35,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:55:35,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:55:35,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:55:35,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:33" (1/3) ... [2023-12-02 14:55:35,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30414bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:35, skipping insertion in model container [2023-12-02 14:55:35,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:34" (2/3) ... [2023-12-02 14:55:35,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30414bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:35, skipping insertion in model container [2023-12-02 14:55:35,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:35" (3/3) ... [2023-12-02 14:55:35,812 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2023-12-02 14:55:35,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:55:35,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:55:35,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:55:35,885 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5dc02aab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:55:35,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:55:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 100 states have internal predecessors, (128), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 14:55:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 14:55:35,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:35,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:35,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:35,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:35,902 INFO L85 PathProgramCache]: Analyzing trace with hash -955650313, now seen corresponding path program 1 times [2023-12-02 14:55:35,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:35,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360126547] [2023-12-02 14:55:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:55:36,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:36,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360126547] [2023-12-02 14:55:36,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360126547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:36,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:36,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:36,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651802064] [2023-12-02 14:55:36,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:36,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:36,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:36,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:36,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:36,252 INFO L87 Difference]: Start difference. First operand has 139 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 100 states have internal predecessors, (128), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-12-02 14:55:36,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:36,434 INFO L93 Difference]: Finished difference Result 401 states and 562 transitions. [2023-12-02 14:55:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:36,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2023-12-02 14:55:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:36,449 INFO L225 Difference]: With dead ends: 401 [2023-12-02 14:55:36,449 INFO L226 Difference]: Without dead ends: 249 [2023-12-02 14:55:36,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:36,456 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 169 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:36,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 305 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:36,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-02 14:55:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2023-12-02 14:55:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 168 states have (on average 1.3452380952380953) internal successors, (226), 173 states have internal predecessors, (226), 52 states have call successors, (52), 26 states have call predecessors, (52), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:55:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2023-12-02 14:55:36,523 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 11 [2023-12-02 14:55:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:36,524 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2023-12-02 14:55:36,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-12-02 14:55:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2023-12-02 14:55:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 14:55:36,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:36,527 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] [2023-12-02 14:55:36,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:55:36,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:36,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash -867876533, now seen corresponding path program 1 times [2023-12-02 14:55:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:36,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129635710] [2023-12-02 14:55:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:55:36,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:36,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129635710] [2023-12-02 14:55:36,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129635710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:36,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:36,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:55:36,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202948972] [2023-12-02 14:55:36,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:36,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:36,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:36,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:36,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:36,651 INFO L87 Difference]: Start difference. First operand 246 states and 328 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-12-02 14:55:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:36,734 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2023-12-02 14:55:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:36,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 [2023-12-02 14:55:36,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:36,738 INFO L225 Difference]: With dead ends: 488 [2023-12-02 14:55:36,738 INFO L226 Difference]: Without dead ends: 241 [2023-12-02 14:55:36,741 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 [2023-12-02 14:55:36,742 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:36,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 140 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-02 14:55:36,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 240. [2023-12-02 14:55:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 163 states have (on average 1.3312883435582823) internal successors, (217), 167 states have internal predecessors, (217), 51 states have call successors, (51), 26 states have call predecessors, (51), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:55:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 318 transitions. [2023-12-02 14:55:36,774 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 318 transitions. Word has length 21 [2023-12-02 14:55:36,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:36,775 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 318 transitions. [2023-12-02 14:55:36,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-12-02 14:55:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 318 transitions. [2023-12-02 14:55:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 14:55:36,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:36,778 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 14:55:36,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:55:36,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:36,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:36,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1897497233, now seen corresponding path program 1 times [2023-12-02 14:55:36,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:36,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346056300] [2023-12-02 14:55:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:36,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:55:36,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:36,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346056300] [2023-12-02 14:55:36,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346056300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:36,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:36,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:55:36,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102350972] [2023-12-02 14:55:36,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:36,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:36,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:36,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:36,893 INFO L87 Difference]: Start difference. First operand 240 states and 318 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:55:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:36,984 INFO L93 Difference]: Finished difference Result 445 states and 598 transitions. [2023-12-02 14:55:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 37 [2023-12-02 14:55:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:36,987 INFO L225 Difference]: With dead ends: 445 [2023-12-02 14:55:36,987 INFO L226 Difference]: Without dead ends: 206 [2023-12-02 14:55:36,988 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 [2023-12-02 14:55:36,989 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 52 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:36,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 271 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-02 14:55:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2023-12-02 14:55:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 154 states have (on average 1.3636363636363635) internal successors, (210), 156 states have internal predecessors, (210), 35 states have call successors, (35), 17 states have call predecessors, (35), 16 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-02 14:55:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 279 transitions. [2023-12-02 14:55:37,008 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 279 transitions. Word has length 37 [2023-12-02 14:55:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:37,008 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 279 transitions. [2023-12-02 14:55:37,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:55:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 279 transitions. [2023-12-02 14:55:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 14:55:37,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:37,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:37,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:55:37,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:37,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:37,013 INFO L85 PathProgramCache]: Analyzing trace with hash -93710265, now seen corresponding path program 1 times [2023-12-02 14:55:37,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:37,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174720434] [2023-12-02 14:55:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:37,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:55:37,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:37,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174720434] [2023-12-02 14:55:37,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174720434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:37,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:37,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:55:37,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968146962] [2023-12-02 14:55:37,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:37,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:37,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:37,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:37,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:37,170 INFO L87 Difference]: Start difference. First operand 206 states and 279 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 14:55:37,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:37,275 INFO L93 Difference]: Finished difference Result 450 states and 604 transitions. [2023-12-02 14:55:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:37,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2023-12-02 14:55:37,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:37,279 INFO L225 Difference]: With dead ends: 450 [2023-12-02 14:55:37,279 INFO L226 Difference]: Without dead ends: 284 [2023-12-02 14:55:37,280 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 [2023-12-02 14:55:37,281 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 143 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:37,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 272 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:37,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-12-02 14:55:37,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2023-12-02 14:55:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 211 states have internal predecessors, (284), 46 states have call successors, (46), 25 states have call predecessors, (46), 24 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-02 14:55:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 375 transitions. [2023-12-02 14:55:37,306 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 375 transitions. Word has length 54 [2023-12-02 14:55:37,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:37,306 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 375 transitions. [2023-12-02 14:55:37,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 14:55:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 375 transitions. [2023-12-02 14:55:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 14:55:37,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:37,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:37,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:55:37,310 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:37,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1176128204, now seen corresponding path program 1 times [2023-12-02 14:55:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:37,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651778706] [2023-12-02 14:55:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:37,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:55:37,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651778706] [2023-12-02 14:55:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651778706] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:55:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401999422] [2023-12-02 14:55:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:37,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:37,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:37,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:55:37,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:55:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:37,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:37,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 14:55:37,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401999422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:37,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:55:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-12-02 14:55:37,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653537140] [2023-12-02 14:55:37,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:37,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:37,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:37,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:37,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:37,824 INFO L87 Difference]: Start difference. First operand 280 states and 375 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-12-02 14:55:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:37,943 INFO L93 Difference]: Finished difference Result 629 states and 833 transitions. [2023-12-02 14:55:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:37,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 53 [2023-12-02 14:55:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:37,947 INFO L225 Difference]: With dead ends: 629 [2023-12-02 14:55:37,947 INFO L226 Difference]: Without dead ends: 389 [2023-12-02 14:55:37,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:37,949 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 116 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:37,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 282 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:37,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-12-02 14:55:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 384. [2023-12-02 14:55:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 283 states have (on average 1.3498233215547704) internal successors, (382), 288 states have internal predecessors, (382), 64 states have call successors, (64), 37 states have call predecessors, (64), 36 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-02 14:55:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 509 transitions. [2023-12-02 14:55:37,979 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 509 transitions. Word has length 53 [2023-12-02 14:55:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:37,979 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 509 transitions. [2023-12-02 14:55:37,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-12-02 14:55:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 509 transitions. [2023-12-02 14:55:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 14:55:37,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:37,981 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:37,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:38,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:38,182 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:38,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1078046010, now seen corresponding path program 1 times [2023-12-02 14:55:38,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:38,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828737232] [2023-12-02 14:55:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 14:55:38,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:38,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828737232] [2023-12-02 14:55:38,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828737232] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:55:38,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540479619] [2023-12-02 14:55:38,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:38,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:38,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:38,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:55:38,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:55:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:38,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 14:55:38,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 14:55:38,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:38,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540479619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:38,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:55:38,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-12-02 14:55:38,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371535332] [2023-12-02 14:55:38,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:38,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:55:38,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:38,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:55:38,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:38,783 INFO L87 Difference]: Start difference. First operand 384 states and 509 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:55:38,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:38,917 INFO L93 Difference]: Finished difference Result 680 states and 899 transitions. [2023-12-02 14:55:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:55:38,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-12-02 14:55:38,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:38,923 INFO L225 Difference]: With dead ends: 680 [2023-12-02 14:55:38,923 INFO L226 Difference]: Without dead ends: 396 [2023-12-02 14:55:38,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:38,925 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 2 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:38,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 548 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-02 14:55:38,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2023-12-02 14:55:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 289 states have (on average 1.342560553633218) internal successors, (388), 294 states have internal predecessors, (388), 64 states have call successors, (64), 37 states have call predecessors, (64), 38 states have return successors, (69), 64 states have call predecessors, (69), 63 states have call successors, (69) [2023-12-02 14:55:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 521 transitions. [2023-12-02 14:55:38,960 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 521 transitions. Word has length 55 [2023-12-02 14:55:38,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:38,961 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 521 transitions. [2023-12-02 14:55:38,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:55:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 521 transitions. [2023-12-02 14:55:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 14:55:38,963 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:38,964 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:38,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:55:39,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:39,166 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:39,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:39,167 INFO L85 PathProgramCache]: Analyzing trace with hash -984571373, now seen corresponding path program 1 times [2023-12-02 14:55:39,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:39,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129022889] [2023-12-02 14:55:39,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 14:55:39,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:39,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129022889] [2023-12-02 14:55:39,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129022889] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:55:39,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700342900] [2023-12-02 14:55:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:39,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:39,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:39,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:55:39,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:55:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:39,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 14:55:39,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 14:55:39,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:39,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700342900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:39,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:55:39,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-12-02 14:55:39,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543201231] [2023-12-02 14:55:39,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:39,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:55:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:39,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:55:39,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:39,832 INFO L87 Difference]: Start difference. First operand 392 states and 521 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:55:39,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:39,956 INFO L93 Difference]: Finished difference Result 689 states and 908 transitions. [2023-12-02 14:55:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:55:39,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2023-12-02 14:55:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:39,959 INFO L225 Difference]: With dead ends: 689 [2023-12-02 14:55:39,960 INFO L226 Difference]: Without dead ends: 402 [2023-12-02 14:55:39,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:39,961 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 3 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:39,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 554 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-12-02 14:55:39,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2023-12-02 14:55:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 293 states have (on average 1.3378839590443685) internal successors, (392), 296 states have internal predecessors, (392), 64 states have call successors, (64), 37 states have call predecessors, (64), 38 states have return successors, (69), 66 states have call predecessors, (69), 63 states have call successors, (69) [2023-12-02 14:55:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 525 transitions. [2023-12-02 14:55:39,988 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 525 transitions. Word has length 59 [2023-12-02 14:55:39,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:39,988 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 525 transitions. [2023-12-02 14:55:39,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:55:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 525 transitions. [2023-12-02 14:55:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 14:55:39,990 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:39,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-12-02 14:55:39,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:55:40,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 14:55:40,192 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:40,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash -835370534, now seen corresponding path program 2 times [2023-12-02 14:55:40,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:40,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446015692] [2023-12-02 14:55:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:55:40,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:55:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:55:40,464 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:55:40,465 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:55:40,466 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:55:40,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 14:55:40,470 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:40,473 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:55:40,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-12-02 14:55:40,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-12-02 14:55:40,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-12-02 14:55:40,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch82 could not be translated [2023-12-02 14:55:40,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated [2023-12-02 14:55:40,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:40,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch82 could not be translated [2023-12-02 14:55:40,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret97 [2023-12-02 14:55:40,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret95 [2023-12-02 14:55:40,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret6 [2023-12-02 14:55:40,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:40 BoogieIcfgContainer [2023-12-02 14:55:40,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:55:40,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:55:40,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:55:40,574 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:55:40,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:35" (3/4) ... [2023-12-02 14:55:40,576 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:55:40,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:55:40,578 INFO L158 Benchmark]: Toolchain (without parser) took 6704.94ms. Allocated memory was 161.5MB in the beginning and 289.4MB in the end (delta: 127.9MB). Free memory was 112.1MB in the beginning and 144.4MB in the end (delta: -32.2MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,578 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 130.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:40,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.15ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 117.7MB in the end (delta: -6.1MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.09ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 117.6MB in the beginning and 179.3MB in the end (delta: -61.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,579 INFO L158 Benchmark]: Boogie Preprocessor took 64.59ms. Allocated memory is still 224.4MB. Free memory was 179.3MB in the beginning and 175.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,580 INFO L158 Benchmark]: RCFGBuilder took 1044.13ms. Allocated memory is still 224.4MB. Free memory was 175.1MB in the beginning and 161.0MB in the end (delta: 14.1MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,580 INFO L158 Benchmark]: TraceAbstraction took 4767.05ms. Allocated memory was 224.4MB in the beginning and 289.4MB in the end (delta: 65.0MB). Free memory was 161.0MB in the beginning and 144.4MB in the end (delta: 16.6MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2023-12-02 14:55:40,580 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 289.4MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:40,582 INFO L338 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 161.5MB. Free memory was 131.0MB in the beginning and 130.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.15ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 117.7MB in the end (delta: -6.1MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.09ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 117.6MB in the beginning and 179.3MB in the end (delta: -61.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.59ms. Allocated memory is still 224.4MB. Free memory was 179.3MB in the beginning and 175.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.13ms. Allocated memory is still 224.4MB. Free memory was 175.1MB in the beginning and 161.0MB in the end (delta: 14.1MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4767.05ms. Allocated memory was 224.4MB in the beginning and 289.4MB in the end (delta: 65.0MB). Free memory was 161.0MB in the beginning and 144.4MB in the end (delta: 16.6MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 289.4MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc17 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc17 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc17 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret97 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret95 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret6 - 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 a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 2900, overapproximation of bitwiseOr at line 2678. 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; [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 [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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: [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3155] case 1: [L3167] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3155] case 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 [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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) [L2731] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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); [L3104] RET, EXPR ldv_init_zalloc(1472UL) [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp [L3300] RET ldv_platform_driver_init_2() [L3301] return (ldv_func_res); [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); [L3169] RET, EXPR iio_interrupt_trigger_driver_init() [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3155] case 1: [L3171] ldv_state_variable_0 = 3 VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3155] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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: [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3189] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={-36893488147419103231:0}, probed_2=0, ref_cnt=0, size=56, tmp={-36893488147419103231:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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) [L2702] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={-36893488147419103231:0}, probed_2=0, ref_cnt=0, size=56, tmp={-36893488147419103231:0}, tmp___0=0] [L2703] return (p); VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={-36893488147419103231:0}, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={-36893488147419103231:0}, probed_2=0, ref_cnt=0, size=56, tmp={-36893488147419103231:0}, tmp___0=0] [L3452] RET, EXPR ldv_malloc(sizeof(struct resource)) VAL [LDV_IN_INTERRUPT=1, \old(arg1)=1024, \old(arg2)=0, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, 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}, 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] [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] EXPR (irq_res->flags & 15UL) | 128UL [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] CALL, EXPR iio_trigger_alloc("irqtrig%d", irq) [L3433] CALL, EXPR ldv_malloc(sizeof(struct iio_trigger)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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=1803, tmp={-18446744073709551615:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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) [L2702] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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=1803, tmp={-18446744073709551615:0}, tmp___0=0] [L2703] return (p); VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, \result={-18446744073709551615:0}, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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=1803, tmp={-18446744073709551615:0}, tmp___0=0] [L3433] RET, EXPR ldv_malloc(sizeof(struct iio_trigger)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, arg0={3:0}, arg0={3:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3433] return ldv_malloc(sizeof(struct iio_trigger)); [L2900] RET, EXPR iio_trigger_alloc("irqtrig%d", irq) [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2906] CALL, EXPR kzalloc(4UL, 208U) [L2676] void *tmp ; [L2678] EXPR flags | 32768U [L2678] CALL, EXPR kmalloc(size, flags | 32768U) [L2667] void *tmp___2 ; [L2669] CALL, EXPR __kmalloc(size, flags) [L2662] CALL, EXPR ldv_malloc(size) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=32768, __this_module={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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, t=32768] [L2662] return ldv_malloc(size); [L2669] RET, EXPR __kmalloc(size, flags) [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); [L2678] RET, EXPR kmalloc(size, flags | 32768U) [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); [L2906] RET, EXPR kzalloc(4UL, 208U) [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irq=11, irq_res={-36893488147419103231:0}, irqflags=128, 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={-18446744073709551615:0}, trig_info={0:0}] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, irq=11, irq_res={-36893488147419103231:0}, irqflags=128, 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={-18446744073709551615:0}, trig_info={0:0}] [L2935] CALL iio_trigger_put(trig) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={9:-8}, probed_2=0, ref_cnt=0] [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={9:-8}, module={9:-8}, probed_2=0, ref_cnt=0] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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={9:-8}, module={9:-8}, probed_2=0, ref_cnt=0] [L3389] CALL ldv_error() VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4294967311:4294967308}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={6:0}, 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, 140 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 640 mSDsluCounter, 2372 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1323 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 1049 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=7, InterpolantAutomatonStates: 25, 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, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 447 ConstructedInterpolants, 0 QuantifiedInterpolants, 741 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1820 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 72/81 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 [2023-12-02 14:55:40,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:55:42,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:55:42,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 14:55:42,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:55:42,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:55:42,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:55:42,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:55:42,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:55:42,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:55:42,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:55:42,604 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:55:42,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:55:42,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:55:42,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:55:42,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:55:42,606 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:55:42,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:55:42,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:55:42,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:55:42,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:55:42,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:55:42,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:55:42,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:55:42,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:55:42,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:55:42,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:55:42,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:55:42,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:55:42,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:55:42,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:55:42,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:55:42,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:42,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:55:42,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:55:42,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:55:42,615 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:55:42,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:55:42,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:55:42,616 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:55:42,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:55:42,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:55:42,617 INFO L153 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2023-12-02 14:55:42,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:55:42,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:55:42,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:55:42,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:55:42,932 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:55:42,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/../../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 [2023-12-02 14:55:45,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:55:46,001 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:55:46,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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 [2023-12-02 14:55:46,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/7beaf6099/a303ff6eab4746d09ed5d167e6fb6780/FLAG9b339cd2c [2023-12-02 14:55:46,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/data/7beaf6099/a303ff6eab4746d09ed5d167e6fb6780 [2023-12-02 14:55:46,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:55:46,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:55:46,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:46,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:55:46,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:55:46,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116b5630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46, skipping insertion in model container [2023-12-02 14:55:46,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:55:46,565 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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] [2023-12-02 14:55:46,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:46,605 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 14:55:46,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:55:46,731 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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] [2023-12-02 14:55:46,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:46,746 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:55:46,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/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] [2023-12-02 14:55:46,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:46,859 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:55:46,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46 WrapperNode [2023-12-02 14:55:46,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:46,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:46,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:55:46,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:55:46,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,944 INFO L138 Inliner]: procedures = 93, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 540 [2023-12-02 14:55:46,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:46,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:55:46,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:55:46,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:55:46,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:46,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:47,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:47,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:55:47,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:55:47,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:55:47,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:55:47,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (1/1) ... [2023-12-02 14:55:47,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:47,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:47,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:55:47,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:55:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:55:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 14:55:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 14:55:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2023-12-02 14:55:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2023-12-02 14:55:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:55:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-02 14:55:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 14:55:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 14:55:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 14:55:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 14:55:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 14:55:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 14:55:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 14:55:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:55:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:55:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:55:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2023-12-02 14:55:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2023-12-02 14:55:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-12-02 14:55:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-12-02 14:55:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:55:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 14:55:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 14:55:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 14:55:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:55:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 14:55:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 14:55:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 14:55:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 14:55:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:55:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 14:55:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 14:55:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 14:55:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-12-02 14:55:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-12-02 14:55:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:55:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:55:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:55:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2023-12-02 14:55:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2023-12-02 14:55:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:55:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:55:47,339 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:55:47,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:55:47,712 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 14:55:48,022 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:55:48,133 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:55:48,133 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:55:48,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:48 BoogieIcfgContainer [2023-12-02 14:55:48,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:55:48,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:55:48,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:55:48,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:55:48,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:46" (1/3) ... [2023-12-02 14:55:48,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ca58e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:48, skipping insertion in model container [2023-12-02 14:55:48,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:46" (2/3) ... [2023-12-02 14:55:48,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ca58e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:48, skipping insertion in model container [2023-12-02 14:55:48,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:48" (3/3) ... [2023-12-02 14:55:48,142 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2023-12-02 14:55:48,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:55:48,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:55:48,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:55:48,218 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ee68993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:55:48,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:55:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 110 states have (on average 1.481818181818182) internal successors, (163), 120 states have internal predecessors, (163), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 14:55:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 14:55:48,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:48,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:48,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:48,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:48,239 INFO L85 PathProgramCache]: Analyzing trace with hash 659070431, now seen corresponding path program 1 times [2023-12-02 14:55:48,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:48,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447339731] [2023-12-02 14:55:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:48,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:48,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:55:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:48,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:48,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:55:48,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:48,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:48,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447339731] [2023-12-02 14:55:48,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447339731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:48,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:48,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611962552] [2023-12-02 14:55:48,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:48,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:48,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:48,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:48,543 INFO L87 Difference]: Start difference. First operand has 159 states, 110 states have (on average 1.481818181818182) internal successors, (163), 120 states have internal predecessors, (163), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-12-02 14:55:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:48,874 INFO L93 Difference]: Finished difference Result 461 states and 676 transitions. [2023-12-02 14:55:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:48,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2023-12-02 14:55:48,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:48,886 INFO L225 Difference]: With dead ends: 461 [2023-12-02 14:55:48,886 INFO L226 Difference]: Without dead ends: 289 [2023-12-02 14:55:48,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:48,893 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 204 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:48,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 383 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 14:55:48,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-12-02 14:55:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2023-12-02 14:55:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 208 states have (on average 1.4134615384615385) internal successors, (294), 213 states have internal predecessors, (294), 52 states have call successors, (52), 26 states have call predecessors, (52), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:55:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 396 transitions. [2023-12-02 14:55:48,965 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 396 transitions. Word has length 11 [2023-12-02 14:55:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:48,966 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 396 transitions. [2023-12-02 14:55:48,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-12-02 14:55:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 396 transitions. [2023-12-02 14:55:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 14:55:48,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:48,969 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] [2023-12-02 14:55:48,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:49,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:49,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:49,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1267116966, now seen corresponding path program 1 times [2023-12-02 14:55:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:49,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161085041] [2023-12-02 14:55:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:49,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:49,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:49,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:49,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:55:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:49,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:49,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:55:49,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:49,365 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:49,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161085041] [2023-12-02 14:55:49,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161085041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:49,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:49,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:55:49,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800918404] [2023-12-02 14:55:49,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:49,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:49,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:49,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:49,369 INFO L87 Difference]: Start difference. First operand 286 states and 396 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-12-02 14:55:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:49,588 INFO L93 Difference]: Finished difference Result 296 states and 404 transitions. [2023-12-02 14:55:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:49,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 24 [2023-12-02 14:55:49,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:49,592 INFO L225 Difference]: With dead ends: 296 [2023-12-02 14:55:49,593 INFO L226 Difference]: Without dead ends: 291 [2023-12-02 14:55:49,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:49,594 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 202 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:49,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 192 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:55:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-12-02 14:55:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2023-12-02 14:55:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 208 states have (on average 1.4086538461538463) internal successors, (293), 213 states have internal predecessors, (293), 52 states have call successors, (52), 26 states have call predecessors, (52), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:55:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 395 transitions. [2023-12-02 14:55:49,631 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 395 transitions. Word has length 24 [2023-12-02 14:55:49,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:49,632 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 395 transitions. [2023-12-02 14:55:49,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-12-02 14:55:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 395 transitions. [2023-12-02 14:55:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 14:55:49,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:49,634 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] [2023-12-02 14:55:49,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:55:49,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:49,839 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:49,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:49,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1209858664, now seen corresponding path program 1 times [2023-12-02 14:55:49,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:49,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569824187] [2023-12-02 14:55:49,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:49,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:49,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:49,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:49,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 14:55:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:50,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:50,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:55:50,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:50,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:50,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569824187] [2023-12-02 14:55:50,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569824187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:50,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:50,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:50,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762311247] [2023-12-02 14:55:50,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:50,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:50,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:50,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:50,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:50,073 INFO L87 Difference]: Start difference. First operand 286 states and 395 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-12-02 14:55:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:50,240 INFO L93 Difference]: Finished difference Result 568 states and 798 transitions. [2023-12-02 14:55:50,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 24 [2023-12-02 14:55:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:50,245 INFO L225 Difference]: With dead ends: 568 [2023-12-02 14:55:50,245 INFO L226 Difference]: Without dead ends: 281 [2023-12-02 14:55:50,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:50,248 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 182 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:50,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 180 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:55:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-12-02 14:55:50,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 280. [2023-12-02 14:55:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.3990147783251232) internal successors, (284), 207 states have internal predecessors, (284), 51 states have call successors, (51), 26 states have call predecessors, (51), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:55:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 385 transitions. [2023-12-02 14:55:50,285 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 385 transitions. Word has length 24 [2023-12-02 14:55:50,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:50,285 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 385 transitions. [2023-12-02 14:55:50,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-12-02 14:55:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 385 transitions. [2023-12-02 14:55:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 14:55:50,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:50,289 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 14:55:50,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 14:55:50,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:50,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:50,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:50,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1091813748, now seen corresponding path program 1 times [2023-12-02 14:55:50,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:50,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778337718] [2023-12-02 14:55:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:50,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 14:55:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:50,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:50,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:55:50,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:50,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:50,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778337718] [2023-12-02 14:55:50,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778337718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:50,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:50,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:50,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992233889] [2023-12-02 14:55:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:50,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:50,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:50,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:50,741 INFO L87 Difference]: Start difference. First operand 280 states and 385 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:55:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:50,999 INFO L93 Difference]: Finished difference Result 637 states and 883 transitions. [2023-12-02 14:55:50,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:51,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 40 [2023-12-02 14:55:51,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:51,003 INFO L225 Difference]: With dead ends: 637 [2023-12-02 14:55:51,003 INFO L226 Difference]: Without dead ends: 358 [2023-12-02 14:55:51,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:51,005 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 52 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:51,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 348 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:55:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-12-02 14:55:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 357. [2023-12-02 14:55:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 270 states have (on average 1.4037037037037037) internal successors, (379), 274 states have internal predecessors, (379), 59 states have call successors, (59), 28 states have call predecessors, (59), 27 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 14:55:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 496 transitions. [2023-12-02 14:55:51,047 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 496 transitions. Word has length 40 [2023-12-02 14:55:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:51,048 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 496 transitions. [2023-12-02 14:55:51,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:55:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 496 transitions. [2023-12-02 14:55:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 14:55:51,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:51,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:51,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 14:55:51,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:51,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:51,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1401608331, now seen corresponding path program 1 times [2023-12-02 14:55:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505012784] [2023-12-02 14:55:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:51,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:51,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:51,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:51,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 14:55:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:51,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:55:51,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 14:55:51,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:51,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:51,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505012784] [2023-12-02 14:55:51,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505012784] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:51,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:51,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:51,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151318081] [2023-12-02 14:55:51,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:51,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:55:51,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:51,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:55:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:51,548 INFO L87 Difference]: Start difference. First operand 357 states and 496 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-12-02 14:55:51,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:51,894 INFO L93 Difference]: Finished difference Result 1029 states and 1430 transitions. [2023-12-02 14:55:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:55:51,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 58 [2023-12-02 14:55:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:51,900 INFO L225 Difference]: With dead ends: 1029 [2023-12-02 14:55:51,900 INFO L226 Difference]: Without dead ends: 673 [2023-12-02 14:55:51,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:55:51,902 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 144 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:51,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 369 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 14:55:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2023-12-02 14:55:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 669. [2023-12-02 14:55:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 517 states have (on average 1.4061895551257253) internal successors, (727), 525 states have internal predecessors, (727), 101 states have call successors, (101), 51 states have call predecessors, (101), 50 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-12-02 14:55:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 928 transitions. [2023-12-02 14:55:51,955 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 928 transitions. Word has length 58 [2023-12-02 14:55:51,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:51,955 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 928 transitions. [2023-12-02 14:55:51,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-12-02 14:55:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 928 transitions. [2023-12-02 14:55:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 14:55:51,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:51,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:51,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 14:55:52,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:52,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:52,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:52,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1882975602, now seen corresponding path program 1 times [2023-12-02 14:55:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:52,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666512464] [2023-12-02 14:55:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:52,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:52,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:52,163 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 14:55:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:52,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 14:55:52,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 14:55:52,522 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:52,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:52,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666512464] [2023-12-02 14:55:52,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666512464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:52,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:52,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:55:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780661729] [2023-12-02 14:55:52,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:52,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:55:52,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:52,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:55:52,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:52,525 INFO L87 Difference]: Start difference. First operand 669 states and 928 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:55:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:53,059 INFO L93 Difference]: Finished difference Result 1361 states and 1895 transitions. [2023-12-02 14:55:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:55:53,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2023-12-02 14:55:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:53,066 INFO L225 Difference]: With dead ends: 1361 [2023-12-02 14:55:53,067 INFO L226 Difference]: Without dead ends: 693 [2023-12-02 14:55:53,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:53,070 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 2 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:53,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 707 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:55:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-12-02 14:55:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 685. [2023-12-02 14:55:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 529 states have (on average 1.3969754253308129) internal successors, (739), 537 states have internal predecessors, (739), 101 states have call successors, (101), 51 states have call predecessors, (101), 54 states have return successors, (112), 104 states have call predecessors, (112), 100 states have call successors, (112) [2023-12-02 14:55:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 952 transitions. [2023-12-02 14:55:53,134 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 952 transitions. Word has length 58 [2023-12-02 14:55:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:53,135 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 952 transitions. [2023-12-02 14:55:53,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:55:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 952 transitions. [2023-12-02 14:55:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 14:55:53,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:53,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-02 14:55:53,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:53,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:53,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:53,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1838102686, now seen corresponding path program 1 times [2023-12-02 14:55:53,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:53,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428974495] [2023-12-02 14:55:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:53,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:53,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:53,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 14:55:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:53,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 14:55:53,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:55:53,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:53,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:53,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428974495] [2023-12-02 14:55:53,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428974495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:53,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:53,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:55:53,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696446846] [2023-12-02 14:55:53,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:53,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:55:53,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:53,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:55:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:53,640 INFO L87 Difference]: Start difference. First operand 685 states and 952 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:55:54,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:54,162 INFO L93 Difference]: Finished difference Result 1389 states and 1931 transitions. [2023-12-02 14:55:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:55:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2023-12-02 14:55:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:54,170 INFO L225 Difference]: With dead ends: 1389 [2023-12-02 14:55:54,170 INFO L226 Difference]: Without dead ends: 705 [2023-12-02 14:55:54,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:55:54,180 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 3 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:54,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 712 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:55:54,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-12-02 14:55:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 693. [2023-12-02 14:55:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 537 states have (on average 1.3910614525139664) internal successors, (747), 541 states have internal predecessors, (747), 101 states have call successors, (101), 51 states have call predecessors, (101), 54 states have return successors, (112), 108 states have call predecessors, (112), 100 states have call successors, (112) [2023-12-02 14:55:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 960 transitions. [2023-12-02 14:55:54,216 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 960 transitions. Word has length 64 [2023-12-02 14:55:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:54,217 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 960 transitions. [2023-12-02 14:55:54,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:55:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 960 transitions. [2023-12-02 14:55:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:55:54,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:54,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-12-02 14:55:54,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:54,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:54,424 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:54,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:54,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1411163378, now seen corresponding path program 2 times [2023-12-02 14:55:54,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:54,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198970485] [2023-12-02 14:55:54,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 14:55:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:54,426 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:54,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 14:55:54,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 14:55:54,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-12-02 14:55:54,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:55:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:55:55,201 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 14:55:55,201 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:55:55,202 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:55:55,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 14:55:55,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:55,407 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:55,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:55:55,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-12-02 14:55:55,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-12-02 14:55:55,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-12-02 14:55:55,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated [2023-12-02 14:55:55,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated [2023-12-02 14:55:55,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-12-02 14:55:55,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-12-02 14:55:55,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret95 [2023-12-02 14:55:55,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret93 [2023-12-02 14:55:55,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret6 [2023-12-02 14:55:55,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:55 BoogieIcfgContainer [2023-12-02 14:55:55,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:55:55,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:55:55,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:55:55,563 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:55:55,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:48" (3/4) ... [2023-12-02 14:55:55,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:55:55,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:55:55,567 INFO L158 Benchmark]: Toolchain (without parser) took 9521.70ms. Allocated memory was 71.3MB in the beginning and 146.8MB in the end (delta: 75.5MB). Free memory was 43.6MB in the beginning and 86.8MB in the end (delta: -43.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,567 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:55,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.34ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 36.9MB in the end (delta: 6.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.15ms. Allocated memory is still 94.4MB. Free memory was 36.9MB in the beginning and 53.1MB in the end (delta: -16.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,568 INFO L158 Benchmark]: Boogie Preprocessor took 67.96ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 47.6MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,568 INFO L158 Benchmark]: RCFGBuilder took 1120.09ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 47.6MB in the beginning and 69.5MB in the end (delta: -21.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,569 INFO L158 Benchmark]: TraceAbstraction took 7425.89ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 87.8MB in the end (delta: -19.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-12-02 14:55:55,569 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:55,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.34ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 36.9MB in the end (delta: 6.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.15ms. Allocated memory is still 94.4MB. Free memory was 36.9MB in the beginning and 53.1MB in the end (delta: -16.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.96ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 47.6MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1120.09ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 47.6MB in the beginning and 69.5MB in the end (delta: -21.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7425.89ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 87.8MB in the end (delta: -19.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret95 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret93 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret6 - 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 a call to reach_error is unreachable Unable to prove that a 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; [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 [LDV_IN_INTERRUPT=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_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: [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: VAL [LDV_IN_INTERRUPT=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_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] [L3155] case 1: [L3167] case 1: VAL [LDV_IN_INTERRUPT=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_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] [L3155] case 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 [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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={14:0}, probed_2=0, ref_cnt=0, size=1472, tmp={14:0}] [L2731] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \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_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 [LDV_IN_INTERRUPT=1, \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_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 [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={6:0}, 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={14:0}, probed_2=0, ref_cnt=0, size=1472, tmp={14:0}] [L2732] return (p); [L3104] RET, EXPR ldv_init_zalloc(1472UL) [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp [L3300] RET ldv_platform_driver_init_2() [L3301] return (ldv_func_res); [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); [L3169] RET, EXPR iio_interrupt_trigger_driver_init() [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3155] case 1: [L3171] ldv_state_variable_0 = 3 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3155] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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: [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3189] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={4611686018427387905:0}, probed_2=0, ref_cnt=0, size=56, tmp={4611686018427387905:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={4611686018427387905:0}, probed_2=0, ref_cnt=0, size=56, tmp={4611686018427387905:0}, tmp___0=0] [L2703] return (p); VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={4611686018427387905:0}, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={4611686018427387905:0}, probed_2=0, ref_cnt=0, size=56, tmp={4611686018427387905:0}, tmp___0=0] [L3452] RET, EXPR ldv_malloc(sizeof(struct resource)) VAL [LDV_IN_INTERRUPT=1, \old(arg1)=1024, \old(arg2)=0, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, arg0={14:0}, arg0={14:0}, arg1=1024, arg2=0, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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] [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] CALL, EXPR iio_trigger_alloc("irqtrig%d", irq) [L3433] CALL, EXPR ldv_malloc(sizeof(struct iio_trigger)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={-9223372036854775807:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-9223372036854775807:0}, tmp___0=0] [L2702] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=1, \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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, cond=1, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={-9223372036854775807:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-9223372036854775807:0}, tmp___0=0] [L2703] return (p); VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=1803, \result={-9223372036854775807:0}, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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={-9223372036854775807:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-9223372036854775807:0}, tmp___0=0] [L3433] RET, EXPR ldv_malloc(sizeof(struct iio_trigger)) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, arg0={3:0}, arg0={3:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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] [L3433] return ldv_malloc(sizeof(struct iio_trigger)); [L2900] RET, EXPR iio_trigger_alloc("irqtrig%d", irq) [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) [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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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=2] [L2662] RET, EXPR ldv_malloc(size) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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)=32976, __this_module={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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, t=32976] [L2662] return ldv_malloc(size); [L2669] RET, EXPR __kmalloc(size, flags) [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); [L2678] RET, EXPR kmalloc(size, flags | 32768U) [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); [L2906] RET, EXPR kzalloc(4UL, 208U) [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, irq=0, irq_res={4611686018427387905:0}, irqflags=128, 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={14:0}, pdev={14:0}, probed_2=0, ref_cnt=0, ret=0, tmp={0:0}, trig={-9223372036854775807:0}, trig_info={0:0}] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, irq=0, irq_res={4611686018427387905:0}, irqflags=128, 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={14:0}, pdev={14:0}, probed_2=0, ref_cnt=0, ret=-12, tmp={0:0}, trig={-9223372036854775807:0}, trig_info={0:0}] [L2935] CALL iio_trigger_put(trig) VAL [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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 [LDV_IN_INTERRUPT=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)={0:0}, \old(ldv_irq_data_1_1)={0:0}, \old(ldv_irq_data_1_2)={0:0}, \old(ldv_irq_data_1_3)={0:0}, \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={0:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={14:0}, iio_interrupt_trigger_ops={6:0}, 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, 160 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 789 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 789 mSDsluCounter, 2891 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1590 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 1301 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=693occurred in iteration=7, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 34 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1722 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 41/41 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 [2023-12-02 14:55:55,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7216745-4e69-46f1-8d2c-5e34758f756a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample