./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 30e01a73 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:33:17,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:17,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:33:17,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:17,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:17,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:17,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:17,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:17,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:17,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:17,876 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:17,877 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:17,877 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:17,878 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:17,878 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:17,879 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:17,879 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:17,880 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:17,880 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:17,881 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:17,881 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:17,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:17,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:17,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:17,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:17,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:17,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:17,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:17,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:17,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:17,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:17,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:17,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:17,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:17,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:17,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:17,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:17,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:17,888 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:17,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:17,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:17,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:17,889 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:17,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:17,890 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2023-11-23 20:33:18,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:18,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:18,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:18,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:18,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:18,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 20:33:21,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:21,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:21,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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 [2023-11-23 20:33:21,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/8ce579a91/618fe67afdd1421d81aa03df041cbf19/FLAG1eac6f960 [2023-11-23 20:33:21,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/8ce579a91/618fe67afdd1421d81aa03df041cbf19 [2023-11-23 20:33:21,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:21,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:21,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:21,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:21,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:21,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:21" (1/1) ... [2023-11-23 20:33:21,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1633dd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:21, skipping insertion in model container [2023-11-23 20:33:21,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:21" (1/1) ... [2023-11-23 20:33:22,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:22,866 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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] [2023-11-23 20:33:22,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:22,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:23,167 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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] [2023-11-23 20:33:23,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:23,218 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:23,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23 WrapperNode [2023-11-23 20:33:23,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:23,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:23,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:23,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:23,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,325 INFO L138 Inliner]: procedures = 88, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 577 [2023-11-23 20:33:23,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:23,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:23,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:23,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:23,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:23,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:23,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:23,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:23,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (1/1) ... [2023-11-23 20:33:23,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:23,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:23,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:23,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 20:33:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 20:33:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2023-11-23 20:33:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2023-11-23 20:33:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:33:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 20:33:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 20:33:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:33:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:33:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:33:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:33:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:33:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:33:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:33:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:33:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2023-11-23 20:33:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2023-11-23 20:33:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 20:33:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 20:33:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:33:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-23 20:33:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-23 20:33:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:33:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:33:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:33:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 20:33:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 20:33:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:33:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:33:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:33:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 20:33:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 20:33:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:33:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2023-11-23 20:33:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2023-11-23 20:33:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:23,863 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:23,866 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:24,293 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:33:24,678 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:25,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:25,037 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:33:25,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:25 BoogieIcfgContainer [2023-11-23 20:33:25,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:25,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:25,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:25,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:25,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:21" (1/3) ... [2023-11-23 20:33:25,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6016c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:25, skipping insertion in model container [2023-11-23 20:33:25,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:23" (2/3) ... [2023-11-23 20:33:25,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6016c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:25, skipping insertion in model container [2023-11-23 20:33:25,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:25" (3/3) ... [2023-11-23 20:33:25,053 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 [2023-11-23 20:33:25,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:25,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:25,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:25,160 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;@6773e3fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:25,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:25,166 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) [2023-11-23 20:33:25,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:33:25,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:25,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:25,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:25,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:25,195 INFO L85 PathProgramCache]: Analyzing trace with hash -955650313, now seen corresponding path program 1 times [2023-11-23 20:33:25,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:25,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769640371] [2023-11-23 20:33:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:25,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:25,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:25,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769640371] [2023-11-23 20:33:25,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769640371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:25,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:25,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:25,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368245940] [2023-11-23 20:33:25,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:25,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:25,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:25,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:25,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:25,653 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) [2023-11-23 20:33:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:25,948 INFO L93 Difference]: Finished difference Result 401 states and 562 transitions. [2023-11-23 20:33:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:25,951 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 [2023-11-23 20:33:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:25,970 INFO L225 Difference]: With dead ends: 401 [2023-11-23 20:33:25,971 INFO L226 Difference]: Without dead ends: 249 [2023-11-23 20:33:25,977 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 [2023-11-23 20:33:25,981 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, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:25,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 305 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:26,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-23 20:33:26,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2023-11-23 20:33:26,091 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) [2023-11-23 20:33:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2023-11-23 20:33:26,096 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 11 [2023-11-23 20:33:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:26,096 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2023-11-23 20:33:26,097 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) [2023-11-23 20:33:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2023-11-23 20:33:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:33:26,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:26,100 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] [2023-11-23 20:33:26,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:33:26,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:26,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash -58529907, now seen corresponding path program 1 times [2023-11-23 20:33:26,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:26,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130354362] [2023-11-23 20:33:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:26,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:26,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130354362] [2023-11-23 20:33:26,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130354362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:26,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313060097] [2023-11-23 20:33:26,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:26,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:26,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:26,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:26,249 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) [2023-11-23 20:33:26,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:26,343 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2023-11-23 20:33:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:26,344 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 [2023-11-23 20:33:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:26,348 INFO L225 Difference]: With dead ends: 488 [2023-11-23 20:33:26,348 INFO L226 Difference]: Without dead ends: 241 [2023-11-23 20:33:26,352 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 [2023-11-23 20:33:26,356 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 [2023-11-23 20:33:26,359 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] [2023-11-23 20:33:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-23 20:33:26,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 240. [2023-11-23 20:33:26,406 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) [2023-11-23 20:33:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 318 transitions. [2023-11-23 20:33:26,410 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 318 transitions. Word has length 21 [2023-11-23 20:33:26,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:26,410 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 318 transitions. [2023-11-23 20:33:26,411 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) [2023-11-23 20:33:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 318 transitions. [2023-11-23 20:33:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:33:26,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:26,415 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] [2023-11-23 20:33:26,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:33:26,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:26,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:26,416 INFO L85 PathProgramCache]: Analyzing trace with hash -886818300, now seen corresponding path program 1 times [2023-11-23 20:33:26,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:26,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292976971] [2023-11-23 20:33:26,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:33:26,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:26,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292976971] [2023-11-23 20:33:26,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292976971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:26,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:26,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:26,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512052075] [2023-11-23 20:33:26,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:26,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:26,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:26,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:26,508 INFO L87 Difference]: Start difference. First operand 240 states and 318 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-23 20:33:26,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:26,605 INFO L93 Difference]: Finished difference Result 445 states and 598 transitions. [2023-11-23 20:33:26,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:26,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 38 [2023-11-23 20:33:26,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:26,610 INFO L225 Difference]: With dead ends: 445 [2023-11-23 20:33:26,610 INFO L226 Difference]: Without dead ends: 206 [2023-11-23 20:33:26,611 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 [2023-11-23 20:33:26,616 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 [2023-11-23 20:33:26,618 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] [2023-11-23 20:33:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-23 20:33:26,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2023-11-23 20:33:26,649 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) [2023-11-23 20:33:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 279 transitions. [2023-11-23 20:33:26,652 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 279 transitions. Word has length 38 [2023-11-23 20:33:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:26,653 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 279 transitions. [2023-11-23 20:33:26,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-23 20:33:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 279 transitions. [2023-11-23 20:33:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:33:26,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:26,663 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] [2023-11-23 20:33:26,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:33:26,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:26,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:26,665 INFO L85 PathProgramCache]: Analyzing trace with hash -517356987, now seen corresponding path program 1 times [2023-11-23 20:33:26,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453934608] [2023-11-23 20:33:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:33:26,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453934608] [2023-11-23 20:33:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453934608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:26,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:26,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:26,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190807226] [2023-11-23 20:33:26,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:26,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:26,949 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) [2023-11-23 20:33:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:27,076 INFO L93 Difference]: Finished difference Result 450 states and 604 transitions. [2023-11-23 20:33:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:27,077 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 [2023-11-23 20:33:27,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:27,082 INFO L225 Difference]: With dead ends: 450 [2023-11-23 20:33:27,083 INFO L226 Difference]: Without dead ends: 284 [2023-11-23 20:33:27,084 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 [2023-11-23 20:33:27,086 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 [2023-11-23 20:33:27,087 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] [2023-11-23 20:33:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-11-23 20:33:27,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2023-11-23 20:33:27,113 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) [2023-11-23 20:33:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 375 transitions. [2023-11-23 20:33:27,117 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 375 transitions. Word has length 54 [2023-11-23 20:33:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:27,117 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 375 transitions. [2023-11-23 20:33:27,118 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) [2023-11-23 20:33:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 375 transitions. [2023-11-23 20:33:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:33:27,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:27,121 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] [2023-11-23 20:33:27,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:33:27,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:27,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1747031794, now seen corresponding path program 1 times [2023-11-23 20:33:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:27,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759474128] [2023-11-23 20:33:27,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:27,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:33:27,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759474128] [2023-11-23 20:33:27,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759474128] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364038354] [2023-11-23 20:33:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:27,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:27,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:27,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:27,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:33:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:27,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:27,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:33:27,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:27,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364038354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:27,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:33:27,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 20:33:27,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937505909] [2023-11-23 20:33:27,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:27,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:27,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:27,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:27,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:27,691 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) [2023-11-23 20:33:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:27,809 INFO L93 Difference]: Finished difference Result 629 states and 833 transitions. [2023-11-23 20:33:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:27,809 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 [2023-11-23 20:33:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:27,813 INFO L225 Difference]: With dead ends: 629 [2023-11-23 20:33:27,813 INFO L226 Difference]: Without dead ends: 389 [2023-11-23 20:33:27,814 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 [2023-11-23 20:33:27,815 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 [2023-11-23 20:33:27,815 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] [2023-11-23 20:33:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-11-23 20:33:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 384. [2023-11-23 20:33:27,840 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) [2023-11-23 20:33:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 509 transitions. [2023-11-23 20:33:27,843 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 509 transitions. Word has length 53 [2023-11-23 20:33:27,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:27,844 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 509 transitions. [2023-11-23 20:33:27,844 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) [2023-11-23 20:33:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 509 transitions. [2023-11-23 20:33:27,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:33:27,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:27,846 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] [2023-11-23 20:33:27,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 20:33:28,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:28,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:28,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:28,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1659629446, now seen corresponding path program 1 times [2023-11-23 20:33:28,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:28,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87734991] [2023-11-23 20:33:28,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:33:28,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:28,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87734991] [2023-11-23 20:33:28,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87734991] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:28,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603258337] [2023-11-23 20:33:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:28,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:28,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:28,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 20:33:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:28,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:33:28,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:33:28,852 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:28,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603258337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:33:28,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-11-23 20:33:28,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872383174] [2023-11-23 20:33:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:28,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:33:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:28,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:33:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:28,855 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) [2023-11-23 20:33:28,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:28,986 INFO L93 Difference]: Finished difference Result 680 states and 899 transitions. [2023-11-23 20:33:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:28,987 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 [2023-11-23 20:33:28,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:28,991 INFO L225 Difference]: With dead ends: 680 [2023-11-23 20:33:28,991 INFO L226 Difference]: Without dead ends: 396 [2023-11-23 20:33:28,993 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 [2023-11-23 20:33:28,993 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 [2023-11-23 20:33:28,994 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] [2023-11-23 20:33:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-23 20:33:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2023-11-23 20:33:29,017 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) [2023-11-23 20:33:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 521 transitions. [2023-11-23 20:33:29,021 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 521 transitions. Word has length 55 [2023-11-23 20:33:29,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:29,021 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 521 transitions. [2023-11-23 20:33:29,022 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) [2023-11-23 20:33:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 521 transitions. [2023-11-23 20:33:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:33:29,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:29,036 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] [2023-11-23 20:33:29,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:29,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:29,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:29,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:29,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1801358161, now seen corresponding path program 1 times [2023-11-23 20:33:29,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:29,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26704653] [2023-11-23 20:33:29,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:33:29,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:29,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26704653] [2023-11-23 20:33:29,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26704653] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:29,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119866378] [2023-11-23 20:33:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:29,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:29,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:29,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:29,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 20:33:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:29,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:33:29,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:33:29,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:29,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119866378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:29,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:33:29,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-11-23 20:33:29,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928071371] [2023-11-23 20:33:29,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:29,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:33:29,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:33:29,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:29,944 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) [2023-11-23 20:33:30,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:30,077 INFO L93 Difference]: Finished difference Result 689 states and 908 transitions. [2023-11-23 20:33:30,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:30,078 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 [2023-11-23 20:33:30,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:30,081 INFO L225 Difference]: With dead ends: 689 [2023-11-23 20:33:30,081 INFO L226 Difference]: Without dead ends: 402 [2023-11-23 20:33:30,083 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 [2023-11-23 20:33:30,083 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 [2023-11-23 20:33:30,084 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] [2023-11-23 20:33:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-11-23 20:33:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2023-11-23 20:33:30,108 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) [2023-11-23 20:33:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 525 transitions. [2023-11-23 20:33:30,118 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 525 transitions. Word has length 59 [2023-11-23 20:33:30,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:30,120 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 525 transitions. [2023-11-23 20:33:30,120 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) [2023-11-23 20:33:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 525 transitions. [2023-11-23 20:33:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:33:30,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:30,123 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] [2023-11-23 20:33:30,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:30,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:30,344 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:30,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1870980826, now seen corresponding path program 2 times [2023-11-23 20:33:30,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:30,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570602481] [2023-11-23 20:33:30,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:30,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:30,681 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:30,681 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:30,682 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:30,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:33:30,688 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:30,692 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:30,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-11-23 20:33:30,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-11-23 20:33:30,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc17 [2023-11-23 20:33:30,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated [2023-11-23 20:33:30,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch77 could not be translated [2023-11-23 20:33:30,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:30,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch80 could not be translated [2023-11-23 20:33:30,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret95 [2023-11-23 20:33:30,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret93 [2023-11-23 20:33:30,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret6 [2023-11-23 20:33:30,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:30 BoogieIcfgContainer [2023-11-23 20:33:30,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:30,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:30,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:30,821 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:30,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:25" (3/4) ... [2023-11-23 20:33:30,823 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:33:30,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:30,825 INFO L158 Benchmark]: Toolchain (without parser) took 8848.29ms. Allocated memory was 148.9MB in the beginning and 276.8MB in the end (delta: 127.9MB). Free memory was 105.6MB in the beginning and 178.3MB in the end (delta: -72.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,825 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 100.7MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:30,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.58ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 105.6MB in the beginning and 159.1MB in the end (delta: -53.5MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.34ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 154.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,826 INFO L158 Benchmark]: Boogie Preprocessor took 78.40ms. Allocated memory is still 205.5MB. Free memory was 154.9MB in the beginning and 149.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,826 INFO L158 Benchmark]: RCFGBuilder took 1633.63ms. Allocated memory is still 205.5MB. Free memory was 149.7MB in the beginning and 123.9MB in the end (delta: 25.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,827 INFO L158 Benchmark]: TraceAbstraction took 5774.73ms. Allocated memory was 205.5MB in the beginning and 276.8MB in the end (delta: 71.3MB). Free memory was 122.9MB in the beginning and 179.4MB in the end (delta: -56.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,827 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 276.8MB. Free memory was 179.4MB in the beginning and 178.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:30,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 100.7MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.58ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 105.6MB in the beginning and 159.1MB in the end (delta: -53.5MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.34ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 154.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.40ms. Allocated memory is still 205.5MB. Free memory was 154.9MB in the beginning and 149.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.63ms. Allocated memory is still 205.5MB. Free memory was 149.7MB in the beginning and 123.9MB in the end (delta: 25.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5774.73ms. Allocated memory was 205.5MB in the beginning and 276.8MB in the end (delta: 71.3MB). Free memory was 122.9MB in the beginning and 179.4MB in the end (delta: -56.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 276.8MB. Free memory was 179.4MB in the beginning and 178.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 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~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~switch75 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~switch77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch80 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: IdentifierExpression #t~switch80 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, 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={4294967298:4294967295}, 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: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, 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] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, 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] [L3168] COND TRUE ldv_state_variable_0 == 1 [L3169] CALL, EXPR iio_interrupt_trigger_driver_init() [L2971] int tmp ; [L2973] CALL, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3297] CALL, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3424] return __VERIFIER_nondet_int(); [L3297] RET, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3300] CALL ldv_platform_driver_init_2() [L3102] void *tmp ; [L3104] CALL, EXPR ldv_init_zalloc(1472UL) [L2726] void *p ; [L2727] void *tmp ; [L2729] EXPR, FCALL calloc(1UL, size) VAL [LDV_IN_INTERRUPT=1, \old(size)=1472, __this_module={4294967298:4294967295}, 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={4294967298:4294967295}, 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={-55340232221128654849:0}, probed_2=0, ref_cnt=0, size=1472, tmp={-55340232221128654849:0}] [L2731] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={4294967298:4294967295}, 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={4294967298:4294967295}, 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={-55340232221128654849:0}, probed_2=0, ref_cnt=0, size=1472, tmp={-55340232221128654849:0}] [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() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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] [L3194] COND TRUE ldv_state_variable_2 == 1 VAL [LDV_IN_INTERRUPT=1, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551617:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551617:0}, 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={-18446744073709551617:0}, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-18446744073709551617:0}, probed_2=0, ref_cnt=0, size=56, tmp={-18446744073709551617:0}, 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={4294967298:4294967295}, arg0={-55340232221128654849:0}, arg0={-55340232221128654849:0}, arg1=1024, arg2=0, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-36893488147419103233:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-36893488147419103233:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-36893488147419103233:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-36893488147419103233:0}, 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={-36893488147419103233:0}, __this_module={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={-36893488147419103233:0}, probed_2=0, ref_cnt=0, size=1803, tmp={-36893488147419103233:0}, 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={4294967298:4294967295}, arg0={3:0}, arg0={3:0}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, iio_interrupt_trigger_ops={6:0}, irq=-2, irq_res={-18446744073709551617:0}, 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={-55340232221128654849:0}, pdev={-55340232221128654849:0}, probed_2=0, ref_cnt=0, ret=0, tmp={0:0}, trig={-36893488147419103233:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, iio_interrupt_trigger_ops={6:0}, irq=-2, irq_res={-18446744073709551617:0}, 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={-55340232221128654849:0}, pdev={-55340232221128654849:0}, probed_2=0, ref_cnt=0, ret=-12, tmp={0:0}, trig={-36893488147419103233:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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={4294967298:4294967295}, iio_interrupt_trigger_driver={7:0}, iio_interrupt_trigger_driver_group1={-55340232221128654849:0}, 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: 5.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 0.7s 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 448 ConstructedInterpolants, 0 QuantifiedInterpolants, 742 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1812 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 [2023-11-23 20:33:30,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:33:33,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:33,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:33:33,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:33,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:33,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:33,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:33,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:33,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:33,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:33,797 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:33,797 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:33,798 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:33,799 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:33,800 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:33,800 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:33,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:33,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:33,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:33,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:33,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:33,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:33,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:33:33,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:33:33,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:33:33,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:33,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:33,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:33,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:33:33,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:33,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:33,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:33,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:33,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:33,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:33,812 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:33:33,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:33,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:33,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:33,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:33,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:33,815 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d89254e21d3cff4bd8dad11ae69c000c4021a6b9610439085c76aaeb5514f3 [2023-11-23 20:33:34,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:34,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:34,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:34,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:34,280 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:34,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 20:33:37,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:38,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:38,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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 [2023-11-23 20:33:38,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/412e96c4e/429ba70b952c4b1689b34ed27d7fe4c5/FLAGa934f944e [2023-11-23 20:33:38,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/data/412e96c4e/429ba70b952c4b1689b34ed27d7fe4c5 [2023-11-23 20:33:38,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:38,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:38,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:38,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:38,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:38,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:38" (1/1) ... [2023-11-23 20:33:38,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4d2222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:38, skipping insertion in model container [2023-11-23 20:33:38,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:38" (1/1) ... [2023-11-23 20:33:38,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:39,103 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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] [2023-11-23 20:33:39,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:39,185 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:33:39,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:39,389 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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] [2023-11-23 20:33:39,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:39,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:39,600 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_279dff6c-e21d-4362-8dc9-a486fbf2b80e/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] [2023-11-23 20:33:39,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:39,665 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:39,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39 WrapperNode [2023-11-23 20:33:39,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:39,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:39,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:39,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:39,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,787 INFO L138 Inliner]: procedures = 93, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 536 [2023-11-23 20:33:39,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:39,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:39,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:39,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:39,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:39,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:39,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:39,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:39,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:39,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:40,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 20:33:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 20:33:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2023-11-23 20:33:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2023-11-23 20:33:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:33:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:33:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 20:33:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 20:33:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:33:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:33:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:33:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:33:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:33:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:33:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:33:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:33:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2023-11-23 20:33:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2023-11-23 20:33:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 20:33:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 20:33:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:33:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:33:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-23 20:33:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-23 20:33:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:33:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:33:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:33:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 20:33:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 20:33:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:33:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:33:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:33:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:33:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 20:33:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 20:33:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:33:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2023-11-23 20:33:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2023-11-23 20:33:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:40,446 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:40,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:41,031 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:33:41,502 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:41,631 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:41,632 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:33:41,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:41 BoogieIcfgContainer [2023-11-23 20:33:41,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:41,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:41,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:41,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:41,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:38" (1/3) ... [2023-11-23 20:33:41,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b2eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:41, skipping insertion in model container [2023-11-23 20:33:41,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39" (2/3) ... [2023-11-23 20:33:41,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b2eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:41, skipping insertion in model container [2023-11-23 20:33:41,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:41" (3/3) ... [2023-11-23 20:33:41,642 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 [2023-11-23 20:33:41,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:41,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:41,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:41,742 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;@764c7c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:41,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:41,749 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) [2023-11-23 20:33:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:33:41,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:41,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:41,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:41,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:41,768 INFO L85 PathProgramCache]: Analyzing trace with hash 659070431, now seen corresponding path program 1 times [2023-11-23 20:33:41,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:41,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29622890] [2023-11-23 20:33:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:41,791 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 [2023-11-23 20:33:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:41,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:41,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:42,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:42,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:42,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:42,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:42,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29622890] [2023-11-23 20:33:42,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29622890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:42,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:42,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283396256] [2023-11-23 20:33:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:42,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:42,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:42,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:42,109 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) [2023-11-23 20:33:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:42,495 INFO L93 Difference]: Finished difference Result 461 states and 676 transitions. [2023-11-23 20:33:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:42,503 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 [2023-11-23 20:33:42,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:42,515 INFO L225 Difference]: With dead ends: 461 [2023-11-23 20:33:42,516 INFO L226 Difference]: Without dead ends: 289 [2023-11-23 20:33:42,521 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 [2023-11-23 20:33:42,525 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 [2023-11-23 20:33:42,526 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] [2023-11-23 20:33:42,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-23 20:33:42,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2023-11-23 20:33:42,617 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) [2023-11-23 20:33:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 396 transitions. [2023-11-23 20:33:42,622 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 396 transitions. Word has length 11 [2023-11-23 20:33:42,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:42,623 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 396 transitions. [2023-11-23 20:33:42,624 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) [2023-11-23 20:33:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 396 transitions. [2023-11-23 20:33:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:33:42,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:42,627 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] [2023-11-23 20:33:42,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:33:42,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:42,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:42,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:42,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1267116966, now seen corresponding path program 1 times [2023-11-23 20:33:42,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:42,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397158201] [2023-11-23 20:33:42,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:42,830 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 [2023-11-23 20:33:42,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:42,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:42,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:43,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:43,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:43,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:43,207 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:43,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397158201] [2023-11-23 20:33:43,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397158201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:43,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:43,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:43,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298937411] [2023-11-23 20:33:43,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:43,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:43,212 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) [2023-11-23 20:33:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:43,453 INFO L93 Difference]: Finished difference Result 296 states and 404 transitions. [2023-11-23 20:33:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:43,455 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 [2023-11-23 20:33:43,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:43,458 INFO L225 Difference]: With dead ends: 296 [2023-11-23 20:33:43,459 INFO L226 Difference]: Without dead ends: 291 [2023-11-23 20:33:43,463 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 [2023-11-23 20:33:43,465 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 [2023-11-23 20:33:43,471 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] [2023-11-23 20:33:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-23 20:33:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2023-11-23 20:33:43,546 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) [2023-11-23 20:33:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 395 transitions. [2023-11-23 20:33:43,552 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 395 transitions. Word has length 24 [2023-11-23 20:33:43,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:43,553 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 395 transitions. [2023-11-23 20:33:43,554 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) [2023-11-23 20:33:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 395 transitions. [2023-11-23 20:33:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:33:43,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:43,562 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] [2023-11-23 20:33:43,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:43,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:43,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:43,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1209858664, now seen corresponding path program 1 times [2023-11-23 20:33:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:43,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630653191] [2023-11-23 20:33:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:43,769 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 [2023-11-23 20:33:43,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:43,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:43,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:43,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:43,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:44,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:44,065 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:44,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630653191] [2023-11-23 20:33:44,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630653191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:44,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:44,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:44,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355421257] [2023-11-23 20:33:44,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:44,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:44,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:44,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:44,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:44,068 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) [2023-11-23 20:33:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:44,296 INFO L93 Difference]: Finished difference Result 568 states and 798 transitions. [2023-11-23 20:33:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:44,297 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 [2023-11-23 20:33:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:44,301 INFO L225 Difference]: With dead ends: 568 [2023-11-23 20:33:44,301 INFO L226 Difference]: Without dead ends: 281 [2023-11-23 20:33:44,304 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 [2023-11-23 20:33:44,306 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 182 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:44,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 180 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:44,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-23 20:33:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 280. [2023-11-23 20:33:44,393 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) [2023-11-23 20:33:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 385 transitions. [2023-11-23 20:33:44,402 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 385 transitions. Word has length 24 [2023-11-23 20:33:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:44,403 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 385 transitions. [2023-11-23 20:33:44,403 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) [2023-11-23 20:33:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 385 transitions. [2023-11-23 20:33:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:33:44,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:44,411 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] [2023-11-23 20:33:44,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:44,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:44,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:44,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1091813748, now seen corresponding path program 1 times [2023-11-23 20:33:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:44,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959536860] [2023-11-23 20:33:44,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:44,618 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 [2023-11-23 20:33:44,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:44,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:44,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:44,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:44,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:33:44,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:44,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:44,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959536860] [2023-11-23 20:33:44,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959536860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:44,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:44,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817065124] [2023-11-23 20:33:44,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:44,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:44,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:44,943 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) [2023-11-23 20:33:45,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:45,339 INFO L93 Difference]: Finished difference Result 637 states and 883 transitions. [2023-11-23 20:33:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:45,340 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 [2023-11-23 20:33:45,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:45,343 INFO L225 Difference]: With dead ends: 637 [2023-11-23 20:33:45,344 INFO L226 Difference]: Without dead ends: 358 [2023-11-23 20:33:45,345 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 [2023-11-23 20:33:45,347 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 52 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:45,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 348 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:33:45,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-23 20:33:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 357. [2023-11-23 20:33:45,420 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) [2023-11-23 20:33:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 496 transitions. [2023-11-23 20:33:45,425 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 496 transitions. Word has length 40 [2023-11-23 20:33:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:45,426 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 496 transitions. [2023-11-23 20:33:45,426 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) [2023-11-23 20:33:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 496 transitions. [2023-11-23 20:33:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:33:45,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:45,433 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] [2023-11-23 20:33:45,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:45,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:45,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:45,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:45,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1401608331, now seen corresponding path program 1 times [2023-11-23 20:33:45,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:45,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412617160] [2023-11-23 20:33:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:45,641 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 [2023-11-23 20:33:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:45,645 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:45,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:45,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:45,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:33:46,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:46,088 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412617160] [2023-11-23 20:33:46,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412617160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:46,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528215882] [2023-11-23 20:33:46,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:46,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:46,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:46,091 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) [2023-11-23 20:33:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:46,493 INFO L93 Difference]: Finished difference Result 1029 states and 1430 transitions. [2023-11-23 20:33:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:46,494 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 [2023-11-23 20:33:46,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:46,501 INFO L225 Difference]: With dead ends: 1029 [2023-11-23 20:33:46,501 INFO L226 Difference]: Without dead ends: 673 [2023-11-23 20:33:46,503 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 [2023-11-23 20:33:46,504 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 [2023-11-23 20:33:46,504 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] [2023-11-23 20:33:46,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2023-11-23 20:33:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 669. [2023-11-23 20:33:46,582 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) [2023-11-23 20:33:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 928 transitions. [2023-11-23 20:33:46,588 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 928 transitions. Word has length 58 [2023-11-23 20:33:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:46,589 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 928 transitions. [2023-11-23 20:33:46,589 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) [2023-11-23 20:33:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 928 transitions. [2023-11-23 20:33:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:33:46,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:46,592 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] [2023-11-23 20:33:46,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:46,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:46,801 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:46,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:46,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1882975602, now seen corresponding path program 1 times [2023-11-23 20:33:46,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:46,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839479812] [2023-11-23 20:33:46,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:46,803 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 [2023-11-23 20:33:46,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:46,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:46,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:47,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:33:47,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:33:47,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:47,295 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:47,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839479812] [2023-11-23 20:33:47,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839479812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:47,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:47,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:47,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84563912] [2023-11-23 20:33:47,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:47,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:33:47,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:47,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:33:47,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:47,298 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) [2023-11-23 20:33:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:47,979 INFO L93 Difference]: Finished difference Result 1361 states and 1895 transitions. [2023-11-23 20:33:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:47,980 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 [2023-11-23 20:33:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:47,987 INFO L225 Difference]: With dead ends: 1361 [2023-11-23 20:33:47,987 INFO L226 Difference]: Without dead ends: 693 [2023-11-23 20:33:47,990 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 [2023-11-23 20:33:47,991 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 2 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:47,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 707 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:33:47,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-11-23 20:33:48,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 685. [2023-11-23 20:33:48,056 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) [2023-11-23 20:33:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 952 transitions. [2023-11-23 20:33:48,062 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 952 transitions. Word has length 58 [2023-11-23 20:33:48,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:48,063 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 952 transitions. [2023-11-23 20:33:48,063 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) [2023-11-23 20:33:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 952 transitions. [2023-11-23 20:33:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:33:48,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:48,067 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] [2023-11-23 20:33:48,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:33:48,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:48,274 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:48,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1838102686, now seen corresponding path program 1 times [2023-11-23 20:33:48,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:48,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445198356] [2023-11-23 20:33:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:48,276 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 [2023-11-23 20:33:48,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:48,277 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:48,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:48,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:33:48,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:33:48,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:48,696 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:48,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445198356] [2023-11-23 20:33:48,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445198356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:48,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:48,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:48,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082169521] [2023-11-23 20:33:48,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:48,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:33:48,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:48,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:33:48,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:48,699 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) [2023-11-23 20:33:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:49,217 INFO L93 Difference]: Finished difference Result 1389 states and 1931 transitions. [2023-11-23 20:33:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:49,218 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 [2023-11-23 20:33:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:49,223 INFO L225 Difference]: With dead ends: 1389 [2023-11-23 20:33:49,223 INFO L226 Difference]: Without dead ends: 705 [2023-11-23 20:33:49,226 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 [2023-11-23 20:33:49,227 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 [2023-11-23 20:33:49,227 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] [2023-11-23 20:33:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-11-23 20:33:49,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 693. [2023-11-23 20:33:49,300 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) [2023-11-23 20:33:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 960 transitions. [2023-11-23 20:33:49,306 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 960 transitions. Word has length 64 [2023-11-23 20:33:49,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:49,309 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 960 transitions. [2023-11-23 20:33:49,309 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) [2023-11-23 20:33:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 960 transitions. [2023-11-23 20:33:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:33:49,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:49,313 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] [2023-11-23 20:33:49,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:33:49,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:49,521 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:49,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1411163378, now seen corresponding path program 2 times [2023-11-23 20:33:49,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:49,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890265707] [2023-11-23 20:33:49,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 20:33:49,522 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 [2023-11-23 20:33:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:49,523 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:50,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 20:33:50,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-23 20:33:50,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:50,572 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 20:33:50,573 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:50,574 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:50,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:50,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:50,789 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:50,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:50,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-11-23 20:33:50,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-11-23 20:33:50,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc16 [2023-11-23 20:33:50,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch78 could not be translated [2023-11-23 20:33:50,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch78 could not be translated [2023-11-23 20:33:50,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated [2023-11-23 20:33:50,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated [2023-11-23 20:33:50,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret93 [2023-11-23 20:33:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret91 [2023-11-23 20:33:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret6 [2023-11-23 20:33:50,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:50 BoogieIcfgContainer [2023-11-23 20:33:50,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:50,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:50,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:50,975 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:50,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:41" (3/4) ... [2023-11-23 20:33:50,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:33:50,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:50,980 INFO L158 Benchmark]: Toolchain (without parser) took 12748.15ms. Allocated memory was 69.2MB in the beginning and 167.8MB in the end (delta: 98.6MB). Free memory was 41.1MB in the beginning and 71.8MB in the end (delta: -30.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,981 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 51.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.84ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 41.0MB in the beginning and 41.7MB in the end (delta: -665.2kB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.41ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 37.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,982 INFO L158 Benchmark]: Boogie Preprocessor took 168.52ms. Allocated memory is still 88.1MB. Free memory was 37.0MB in the beginning and 54.7MB in the end (delta: -17.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,983 INFO L158 Benchmark]: RCFGBuilder took 1675.04ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.7MB in the beginning and 61.3MB in the end (delta: -6.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,984 INFO L158 Benchmark]: TraceAbstraction took 9340.00ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 60.9MB in the beginning and 72.9MB in the end (delta: -12.0MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:50,984 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 167.8MB. Free memory was 72.9MB in the beginning and 71.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:50,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 51.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.84ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 41.0MB in the beginning and 41.7MB in the end (delta: -665.2kB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.41ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 37.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.52ms. Allocated memory is still 88.1MB. Free memory was 37.0MB in the beginning and 54.7MB in the end (delta: -17.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1675.04ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.7MB in the beginning and 61.3MB in the end (delta: -6.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9340.00ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 60.9MB in the beginning and 72.9MB in the end (delta: -12.0MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 167.8MB. Free memory was 72.9MB in the beginning and 71.8MB in the end (delta: 1.0MB). 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~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch73 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~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret93 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret91 - 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: 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] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [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] [L3168] COND TRUE ldv_state_variable_0 == 1 [L3169] CALL, EXPR iio_interrupt_trigger_driver_init() [L2971] int tmp ; [L2973] CALL, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3297] CALL, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3424] return __VERIFIER_nondet_int(); [L3297] RET, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3300] CALL ldv_platform_driver_init_2() [L3102] void *tmp ; [L3104] CALL, EXPR ldv_init_zalloc(1472UL) [L2726] void *p ; [L2727] void *tmp ; [L2729] EXPR, FCALL calloc(1UL, size) VAL [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() [L3170] COND TRUE ldv_retval_0 == 0 [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] [L3174] COND FALSE !(ldv_retval_0 != 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=1, tmp___0=1] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [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] [L3190] COND TRUE ldv_state_variable_2 != 0 [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] [L3194] COND TRUE ldv_state_variable_2 == 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=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: 9.1s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 789 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 789 mSDsluCounter, 2891 SdHoareTripleChecker+Invalid, 2.2s 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: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 34 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1718 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 [2023-11-23 20:33:51,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279dff6c-e21d-4362-8dc9-a486fbf2b80e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample