./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:10:26,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:10:26,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:10:26,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:10:26,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:10:26,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:10:26,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:10:26,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:10:26,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:10:26,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:10:26,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:10:26,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:10:26,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:10:26,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:10:26,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:10:26,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:10:26,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:10:26,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:10:26,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:10:26,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:10:26,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:10:26,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:10:26,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:10:26,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:10:26,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:10:26,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:10:26,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:10:26,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:10:26,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:26,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:10:26,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:10:26,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:10:26,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:10:26,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:10:26,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:10:26,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:10:26,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:10:26,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:10:26,405 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:10:26,405 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-11-06 23:10:26,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:10:26,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:10:26,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:10:26,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:10:26,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:10:26,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-06 23:10:29,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:10:30,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:10:30,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-06 23:10:30,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/ee02a1163/97dcf361ec5844c397cff9a87755b80a/FLAG121bac462 [2023-11-06 23:10:30,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/ee02a1163/97dcf361ec5844c397cff9a87755b80a [2023-11-06 23:10:30,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:10:30,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:10:30,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:30,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:10:30,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:10:30,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:30" (1/1) ... [2023-11-06 23:10:30,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488f3230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:30, skipping insertion in model container [2023-11-06 23:10:30,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:30" (1/1) ... [2023-11-06 23:10:30,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:10:30,679 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2023-11-06 23:10:32,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:32,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:10:32,128 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2023-11-06 23:10:32,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:32,569 WARN L672 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:10:32,577 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:10:32,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32 WrapperNode [2023-11-06 23:10:32,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:32,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:32,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:10:32,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:10:32,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,801 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1089 [2023-11-06 23:10:32,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:32,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:10:32,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:10:32,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:10:32,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:10:32,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:10:32,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:10:32,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:10:32,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:32,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:33,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:10:33,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:10:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-06 23:10:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-06 23:10:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:10:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-06 23:10:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 23:10:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 23:10:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:10:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:10:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:10:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:10:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-06 23:10:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-06 23:10:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-06 23:10:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:10:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:10:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-06 23:10:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-06 23:10:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-06 23:10:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-06 23:10:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-06 23:10:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-06 23:10:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:10:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:10:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-06 23:10:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-06 23:10:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:10:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:10:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:10:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 23:10:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 23:10:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:10:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:10:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-06 23:10:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-06 23:10:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-06 23:10:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-06 23:10:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-06 23:10:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-06 23:10:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:10:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:10:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:10:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-06 23:10:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-06 23:10:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 23:10:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 23:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-06 23:10:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-06 23:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-06 23:10:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-06 23:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-06 23:10:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-06 23:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:10:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-06 23:10:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-06 23:10:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-06 23:10:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-06 23:10:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:10:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:10:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:10:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:10:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:10:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:10:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:10:33,392 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:10:33,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:10:35,643 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:35,659 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:35,659 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 23:10:35,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:35 BoogieIcfgContainer [2023-11-06 23:10:35,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:35,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:35,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:35,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:35,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:10:30" (1/3) ... [2023-11-06 23:10:35,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9ec9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:35, skipping insertion in model container [2023-11-06 23:10:35,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32" (2/3) ... [2023-11-06 23:10:35,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9ec9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:35, skipping insertion in model container [2023-11-06 23:10:35,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:35" (3/3) ... [2023-11-06 23:10:35,676 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2023-11-06 23:10:35,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:35,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:10:35,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:35,797 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ad2fbde, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:35,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:10:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 272 states have (on average 1.3860294117647058) internal successors, (377), 279 states have internal predecessors, (377), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-06 23:10:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 23:10:35,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:35,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:35,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:35,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:35,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1399557003, now seen corresponding path program 1 times [2023-11-06 23:10:35,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:35,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49712469] [2023-11-06 23:10:35,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:35,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:10:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:10:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:36,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:36,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49712469] [2023-11-06 23:10:36,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49712469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:36,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:36,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:10:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174477373] [2023-11-06 23:10:36,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:36,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:10:36,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:36,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:10:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:10:36,670 INFO L87 Difference]: Start difference. First operand has 378 states, 272 states have (on average 1.3860294117647058) internal successors, (377), 279 states have internal predecessors, (377), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:10:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:37,765 INFO L93 Difference]: Finished difference Result 762 states and 1098 transitions. [2023-11-06 23:10:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:10:37,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2023-11-06 23:10:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:37,785 INFO L225 Difference]: With dead ends: 762 [2023-11-06 23:10:37,786 INFO L226 Difference]: Without dead ends: 380 [2023-11-06 23:10:37,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:10:37,797 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 92 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:37,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1102 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:10:37,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-11-06 23:10:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 370. [2023-11-06 23:10:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 267 states have (on average 1.3595505617977528) internal successors, (363), 274 states have internal predecessors, (363), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:10:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 514 transitions. [2023-11-06 23:10:37,881 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 514 transitions. Word has length 26 [2023-11-06 23:10:37,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:37,882 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 514 transitions. [2023-11-06 23:10:37,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:10:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 514 transitions. [2023-11-06 23:10:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 23:10:37,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:37,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:37,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:10:37,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:37,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash -2002193871, now seen corresponding path program 1 times [2023-11-06 23:10:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:37,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783018200] [2023-11-06 23:10:37,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:37,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:10:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 23:10:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:38,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783018200] [2023-11-06 23:10:38,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783018200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599466169] [2023-11-06 23:10:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:38,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:38,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:38,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:10:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:10:38,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:38,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:38,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599466169] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:10:38,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:10:38,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-11-06 23:10:38,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145455922] [2023-11-06 23:10:38,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:10:38,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:10:38,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:38,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:10:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:38,720 INFO L87 Difference]: Start difference. First operand 370 states and 514 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:39,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:39,947 INFO L93 Difference]: Finished difference Result 748 states and 1039 transitions. [2023-11-06 23:10:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:10:39,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2023-11-06 23:10:39,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:39,953 INFO L225 Difference]: With dead ends: 748 [2023-11-06 23:10:39,953 INFO L226 Difference]: Without dead ends: 385 [2023-11-06 23:10:39,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:39,956 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 97 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:39,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1456 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 23:10:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2023-11-06 23:10:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 376. [2023-11-06 23:10:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 273 states have (on average 1.3516483516483517) internal successors, (369), 280 states have internal predecessors, (369), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:10:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 520 transitions. [2023-11-06 23:10:39,995 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 520 transitions. Word has length 30 [2023-11-06 23:10:39,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:39,996 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 520 transitions. [2023-11-06 23:10:39,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 520 transitions. [2023-11-06 23:10:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 23:10:39,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:39,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:40,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:40,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:40,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:40,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1584202005, now seen corresponding path program 2 times [2023-11-06 23:10:40,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:40,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875032530] [2023-11-06 23:10:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:40,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 23:10:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:40,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:40,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875032530] [2023-11-06 23:10:40,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875032530] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752285632] [2023-11-06 23:10:40,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:10:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:40,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:10:41,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:10:41,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:10:41,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:10:41,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:41,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:41,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752285632] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:10:41,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:10:41,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-11-06 23:10:41,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739183315] [2023-11-06 23:10:41,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:10:41,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:10:41,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:41,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:10:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:10:41,743 INFO L87 Difference]: Start difference. First operand 376 states and 520 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:42,763 INFO L93 Difference]: Finished difference Result 760 states and 1054 transitions. [2023-11-06 23:10:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:10:42,764 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2023-11-06 23:10:42,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:42,768 INFO L225 Difference]: With dead ends: 760 [2023-11-06 23:10:42,768 INFO L226 Difference]: Without dead ends: 397 [2023-11-06 23:10:42,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:10:42,771 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 99 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:42,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1067 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:10:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-06 23:10:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 388. [2023-11-06 23:10:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 285 states have (on average 1.3368421052631578) internal successors, (381), 292 states have internal predecessors, (381), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:10:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 532 transitions. [2023-11-06 23:10:42,801 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 532 transitions. Word has length 36 [2023-11-06 23:10:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:42,802 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 532 transitions. [2023-11-06 23:10:42,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 532 transitions. [2023-11-06 23:10:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 23:10:42,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:42,805 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:42,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:43,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:43,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:43,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:43,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1770660385, now seen corresponding path program 3 times [2023-11-06 23:10:43,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:43,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171549300] [2023-11-06 23:10:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:43,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:10:43,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:10:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:10:43,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:10:43,611 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:10:43,612 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:10:43,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:10:43,618 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 23:10:43,622 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:10:43,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:10:43 BoogieIcfgContainer [2023-11-06 23:10:43,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:10:43,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:10:43,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:10:43,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:10:43,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:35" (3/4) ... [2023-11-06 23:10:43,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:10:43,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:10:43,797 INFO L158 Benchmark]: Toolchain (without parser) took 13463.86ms. Allocated memory was 165.7MB in the beginning and 272.6MB in the end (delta: 107.0MB). Free memory was 130.9MB in the beginning and 180.6MB in the end (delta: -49.7MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-06 23:10:43,797 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:10:43,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2243.72ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 108.8MB in the end (delta: 22.1MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2023-11-06 23:10:43,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.67ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 99.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:10:43,799 INFO L158 Benchmark]: Boogie Preprocessor took 160.60ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 91.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:10:43,799 INFO L158 Benchmark]: RCFGBuilder took 2697.94ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 91.3MB in the beginning and 116.6MB in the end (delta: -25.3MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-06 23:10:43,800 INFO L158 Benchmark]: TraceAbstraction took 8121.48ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 115.5MB in the beginning and 180.6MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:10:43,800 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 272.6MB. Free memory is still 180.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:10:43,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2243.72ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 108.8MB in the end (delta: 22.1MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.67ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 99.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.60ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 91.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2697.94ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 91.3MB in the beginning and 116.6MB in the end (delta: -25.3MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8121.48ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 115.5MB in the beginning and 180.6MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 272.6MB. Free memory is still 180.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: 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 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2729] RET init_kernel() [L2731] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4482] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(port)=2, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1470] CALL inw(0x21A) [L3963] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L12] reach_error() VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 382 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 318 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 3625 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2315 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1047 IncrementalHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 1310 mSDtfsCounter, 1047 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1561 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/57 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 [2023-11-06 23:10:43,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:10:46,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:10:46,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:10:46,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:10:46,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:10:46,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:10:46,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:10:46,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:10:46,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:10:46,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:10:46,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:10:46,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:10:46,575 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:10:46,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:10:46,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:10:46,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:10:46,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:10:46,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:10:46,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:10:46,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:10:46,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:10:46,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:10:46,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:10:46,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:10:46,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:10:46,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:10:46,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:10:46,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:10:46,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:10:46,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:10:46,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:46,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:10:46,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:10:46,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:10:46,587 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:10:46,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:10:46,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:10:46,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:10:46,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:10:46,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:10:46,590 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:10:46,590 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:10:46,591 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-11-06 23:10:46,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:10:47,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:10:47,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:10:47,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:10:47,026 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:10:47,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-06 23:10:50,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:10:50,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:10:50,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-06 23:10:50,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/5bc12f85c/bc9af2172d86471bbd05aaafd18753d1/FLAG34974fa03 [2023-11-06 23:10:50,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/data/5bc12f85c/bc9af2172d86471bbd05aaafd18753d1 [2023-11-06 23:10:50,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:10:50,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:10:50,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:50,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:10:50,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:10:50,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:50" (1/1) ... [2023-11-06 23:10:50,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8b032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:50, skipping insertion in model container [2023-11-06 23:10:50,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:50" (1/1) ... [2023-11-06 23:10:50,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:10:51,074 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2023-11-06 23:10:52,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:52,348 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 23:10:52,375 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:10:52,377 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2023-11-06 23:10:52,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:52,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:10:52,651 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_6b074ac2-7b26-4609-92ae-507c4fd06be3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2023-11-06 23:10:52,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:53,027 WARN L672 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:10:53,035 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:10:53,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53 WrapperNode [2023-11-06 23:10:53,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:53,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:53,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:10:53,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:10:53,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,254 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 994 [2023-11-06 23:10:53,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:53,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:10:53,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:10:53,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:10:53,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:10:53,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:10:53,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:10:53,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:10:53,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (1/1) ... [2023-11-06 23:10:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:53,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:10:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:10:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-06 23:10:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-06 23:10:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-06 23:10:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-06 23:10:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:10:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-06 23:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 23:10:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 23:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 23:10:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:10:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 23:10:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:10:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:10:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:10:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-06 23:10:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-06 23:10:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-06 23:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-06 23:10:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-06 23:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-06 23:10:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-06 23:10:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:10:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:10:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:10:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:10:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-06 23:10:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-06 23:10:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-06 23:10:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-06 23:10:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:10:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:10:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-06 23:10:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-06 23:10:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-06 23:10:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:10:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 23:10:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:10:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:10:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:10:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 23:10:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 23:10:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:10:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:10:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-06 23:10:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-06 23:10:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-06 23:10:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-06 23:10:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-06 23:10:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 23:10:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 23:10:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:10:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:10:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:10:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:10:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-06 23:10:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-06 23:10:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 23:10:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 23:10:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-06 23:10:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-06 23:10:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-06 23:10:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-06 23:10:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-06 23:10:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-06 23:10:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-06 23:10:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-06 23:10:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-06 23:10:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-06 23:10:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-06 23:10:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-06 23:10:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-06 23:10:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:10:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:10:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-11-06 23:10:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-11-06 23:10:53,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:10:53,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:10:59,562 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:59,580 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:59,580 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 23:10:59,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:59 BoogieIcfgContainer [2023-11-06 23:10:59,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:59,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:59,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:59,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:59,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:10:50" (1/3) ... [2023-11-06 23:10:59,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c19e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:59, skipping insertion in model container [2023-11-06 23:10:59,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:53" (2/3) ... [2023-11-06 23:10:59,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c19e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:59, skipping insertion in model container [2023-11-06 23:10:59,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:59" (3/3) ... [2023-11-06 23:10:59,596 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2023-11-06 23:10:59,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:59,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:10:59,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:59,709 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@690cc7f4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:59,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:10:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 352 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-06 23:10:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 23:10:59,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:59,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:59,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:59,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash 480079309, now seen corresponding path program 1 times [2023-11-06 23:10:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:10:59,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025636870] [2023-11-06 23:10:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:59,766 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 [2023-11-06 23:10:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:10:59,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:10:59,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:00,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:11:00,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:00,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:00,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:11:00,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025636870] [2023-11-06 23:11:00,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025636870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:00,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:00,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185611177] [2023-11-06 23:11:00,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:00,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:00,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:11:00,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:00,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:00,529 INFO L87 Difference]: Start difference. First operand has 352 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:00,758 INFO L93 Difference]: Finished difference Result 702 states and 1002 transitions. [2023-11-06 23:11:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:00,761 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2023-11-06 23:11:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:00,782 INFO L225 Difference]: With dead ends: 702 [2023-11-06 23:11:00,782 INFO L226 Difference]: Without dead ends: 346 [2023-11-06 23:11:00,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:00,795 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 2 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:00,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 954 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:00,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-06 23:11:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 344. [2023-11-06 23:11:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 248 states have internal predecessors, (322), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:11:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 473 transitions. [2023-11-06 23:11:00,868 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 473 transitions. Word has length 26 [2023-11-06 23:11:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:00,870 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 473 transitions. [2023-11-06 23:11:00,870 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 473 transitions. [2023-11-06 23:11:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 23:11:00,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:00,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:00,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:01,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:01,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:01,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1194790025, now seen corresponding path program 1 times [2023-11-06 23:11:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:11:01,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784514945] [2023-11-06 23:11:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:01,090 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 [2023-11-06 23:11:01,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:11:01,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:11:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:01,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:01,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:01,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:01,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:11:01,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784514945] [2023-11-06 23:11:01,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784514945] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:01,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:11:01,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-06 23:11:01,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711273786] [2023-11-06 23:11:01,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:01,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:11:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:01,796 INFO L87 Difference]: Start difference. First operand 344 states and 473 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:11:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:01,961 INFO L93 Difference]: Finished difference Result 687 states and 946 transitions. [2023-11-06 23:11:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2023-11-06 23:11:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:01,966 INFO L225 Difference]: With dead ends: 687 [2023-11-06 23:11:01,966 INFO L226 Difference]: Without dead ends: 350 [2023-11-06 23:11:01,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:01,969 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 5 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:01,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2310 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:01,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-11-06 23:11:01,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2023-11-06 23:11:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 247 states have (on average 1.3238866396761133) internal successors, (327), 254 states have internal predecessors, (327), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:11:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 478 transitions. [2023-11-06 23:11:02,004 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 478 transitions. Word has length 30 [2023-11-06 23:11:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:02,005 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 478 transitions. [2023-11-06 23:11:02,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:11:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 478 transitions. [2023-11-06 23:11:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 23:11:02,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:02,007 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:02,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:02,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:02,223 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:02,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1434789181, now seen corresponding path program 2 times [2023-11-06 23:11:02,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:11:02,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471543542] [2023-11-06 23:11:02,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:11:02,226 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 [2023-11-06 23:11:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:11:02,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:11:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:02,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:11:02,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:11:02,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:02,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:03,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:03,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:11:03,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471543542] [2023-11-06 23:11:03,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471543542] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:03,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:11:03,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 23:11:03,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289363122] [2023-11-06 23:11:03,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:03,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:11:03,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:11:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:11:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:11:03,323 INFO L87 Difference]: Start difference. First operand 350 states and 478 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:11:03,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:03,830 INFO L93 Difference]: Finished difference Result 699 states and 959 transitions. [2023-11-06 23:11:03,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:11:03,831 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2023-11-06 23:11:03,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:03,835 INFO L225 Difference]: With dead ends: 699 [2023-11-06 23:11:03,835 INFO L226 Difference]: Without dead ends: 362 [2023-11-06 23:11:03,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:11:03,839 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 16 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:03,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2771 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:11:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-11-06 23:11:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-11-06 23:11:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 259 states have (on average 1.308880308880309) internal successors, (339), 266 states have internal predecessors, (339), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:11:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 490 transitions. [2023-11-06 23:11:03,865 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 490 transitions. Word has length 36 [2023-11-06 23:11:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:03,866 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 490 transitions. [2023-11-06 23:11:03,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:11:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 490 transitions. [2023-11-06 23:11:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 23:11:03,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:03,869 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:03,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:04,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:04,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:04,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1627136841, now seen corresponding path program 3 times [2023-11-06 23:11:04,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:11:04,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590307971] [2023-11-06 23:11:04,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 23:11:04,089 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 [2023-11-06 23:11:04,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:11:04,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:11:04,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:05,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 23:11:05,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-06 23:11:05,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:11:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:11:06,158 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 23:11:06,158 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:11:06,160 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:11:06,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:06,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:11:06,386 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 23:11:06,390 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:06,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:06 BoogieIcfgContainer [2023-11-06 23:11:06,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:06,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:06,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:06,585 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:06,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:59" (3/4) ... [2023-11-06 23:11:06,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:11:06,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:06,590 INFO L158 Benchmark]: Toolchain (without parser) took 15857.09ms. Allocated memory was 73.4MB in the beginning and 209.7MB in the end (delta: 136.3MB). Free memory was 44.8MB in the beginning and 151.0MB in the end (delta: -106.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,590 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:06,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2300.02ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 44.7MB in the beginning and 77.0MB in the end (delta: -32.4MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.83ms. Allocated memory is still 119.5MB. Free memory was 77.0MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,592 INFO L158 Benchmark]: Boogie Preprocessor took 189.96ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 60.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,592 INFO L158 Benchmark]: RCFGBuilder took 6138.05ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 59.4MB in the beginning and 93.5MB in the end (delta: -34.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,593 INFO L158 Benchmark]: TraceAbstraction took 6990.65ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 92.5MB in the beginning and 152.0MB in the end (delta: -59.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,593 INFO L158 Benchmark]: Witness Printer took 10.17ms. Allocated memory is still 209.7MB. Free memory was 152.0MB in the beginning and 151.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:06,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2300.02ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 44.7MB in the beginning and 77.0MB in the end (delta: -32.4MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 217.83ms. Allocated memory is still 119.5MB. Free memory was 77.0MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.96ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 60.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6138.05ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 59.4MB in the beginning and 93.5MB in the end (delta: -34.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6990.65ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 92.5MB in the beginning and 152.0MB in the end (delta: -59.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Witness Printer took 10.17ms. Allocated memory is still 209.7MB. Free memory was 152.0MB in the beginning and 151.0MB 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.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: 12]: 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 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2729] RET init_kernel() [L2731] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4482] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(port)=2, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1470] CALL inw(0x21A) [L3963] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L12] reach_error() VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 356 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 6035 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4623 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1412 mSDtfsCounter, 142 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1536 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/38 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 [2023-11-06 23:11:06,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b074ac2-7b26-4609-92ae-507c4fd06be3/bin/uautomizer-verify-WvqO1wxjHP/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