./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 2329fc70 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:00:16,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:00:16,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:00:16,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:00:16,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:00:16,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:00:16,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:00:16,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:00:16,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:00:16,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:00:16,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:00:16,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:00:16,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:00:16,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:00:16,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:00:16,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:00:16,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:00:16,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:00:16,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:00:16,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:00:16,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:00:16,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:00:16,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:00:16,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:00:16,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:00:16,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:00:16,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:00:16,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:00:16,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:00:16,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:00:16,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:00:16,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:00:16,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:00:16,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:00:16,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:00:16,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:00:16,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:00:16,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:00:16,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:00:16,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:00:16,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:00:16,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:00:16,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:00:16,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:00:16,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:00:16,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:00:16,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:00:16,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:00:16,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:00:16,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:00:16,202 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:00:16,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:00:16,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:00:16,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:00:16,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:00:16,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:16,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:00:16,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:00:16,205 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:00:16,205 INFO L138 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-12-13 12:00:16,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:00:16,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:00:16,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:00:16,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:00:16,411 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:00:16,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 12:00:19,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:00:19,248 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:00:19,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 12:00:19,264 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/0c2a838df/db60c27631674c9894f9cb7c00d8ee74/FLAGf190af7e1 [2022-12-13 12:00:19,274 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/0c2a838df/db60c27631674c9894f9cb7c00d8ee74 [2022-12-13 12:00:19,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:00:19,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:00:19,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:19,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:00:19,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:00:19,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:19" (1/1) ... [2022-12-13 12:00:19,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c01a23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:19, skipping insertion in model container [2022-12-13 12:00:19,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:19" (1/1) ... [2022-12-13 12:00:19,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:00:19,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:00:19,512 WARN L237 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 12:00:19,992 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:00:19,993 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 12:00:19,994 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:19,996 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:19,997 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 12:00:20,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 12:00:20,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:20,246 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:00:20,255 WARN L237 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 12:00:20,299 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:00:20,300 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 12:00:20,301 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:20,302 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:20,302 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 12:00:20,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 12:00:20,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:20,459 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:00:20,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20 WrapperNode [2022-12-13 12:00:20,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:20,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:20,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:00:20,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:00:20,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,554 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1018 [2022-12-13 12:00:20,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:20,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:00:20,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:00:20,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:00:20,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,613 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:00:20,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:00:20,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:00:20,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:00:20,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (1/1) ... [2022-12-13 12:00:20,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:20,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:00:20,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:00:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-12-13 12:00:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:00:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-12-13 12:00:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:00:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:00:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-12-13 12:00:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-12-13 12:00:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-13 12:00:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-13 12:00:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-12-13 12:00:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-12-13 12:00:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:00:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:00:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-12-13 12:00:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:00:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-13 12:00:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:00:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 12:00:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 12:00:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-12-13 12:00:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-12-13 12:00:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 12:00:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 12:00:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:00:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-12-13 12:00:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-13 12:00:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 12:00:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-13 12:00:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-12-13 12:00:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-12-13 12:00:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-12-13 12:00:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-12-13 12:00:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-12-13 12:00:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-13 12:00:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 12:00:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:00:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:00:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:00:20,954 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:00:20,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:00:22,161 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:00:22,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:00:22,170 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 12:00:22,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:22 BoogieIcfgContainer [2022-12-13 12:00:22,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:00:22,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:00:22,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:00:22,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:00:22,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:00:19" (1/3) ... [2022-12-13 12:00:22,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78511d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:22, skipping insertion in model container [2022-12-13 12:00:22,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:20" (2/3) ... [2022-12-13 12:00:22,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78511d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:22, skipping insertion in model container [2022-12-13 12:00:22,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:22" (3/3) ... [2022-12-13 12:00:22,179 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-12-13 12:00:22,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:00:22,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:00:22,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:00:22,244 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;@28710ae9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:00:22,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:00:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 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) [2022-12-13 12:00:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:00:22,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:22,256 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] [2022-12-13 12:00:22,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2074857651, now seen corresponding path program 1 times [2022-12-13 12:00:22,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:22,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788493184] [2022-12-13 12:00:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:22,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:00:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:00:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:00:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:00:22,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:00:22,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788493184] [2022-12-13 12:00:22,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788493184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:00:22,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:00:22,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:00:22,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542812873] [2022-12-13 12:00:22,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:00:22,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:00:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:00:22,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:00:22,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:00:22,679 INFO L87 Difference]: Start difference. First operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 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), 2 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) [2022-12-13 12:00:23,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:23,323 INFO L93 Difference]: Finished difference Result 704 states and 1002 transitions. [2022-12-13 12:00:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:00:23,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (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 [2022-12-13 12:00:23,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:23,338 INFO L225 Difference]: With dead ends: 704 [2022-12-13 12:00:23,338 INFO L226 Difference]: Without dead ends: 349 [2022-12-13 12:00:23,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:00:23,347 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 89 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:23,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 628 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 12:00:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-12-13 12:00:23,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 341. [2022-12-13 12:00:23,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 238 states have (on average 1.3403361344537814) internal successors, (319), 245 states have internal predecessors, (319), 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) [2022-12-13 12:00:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 470 transitions. [2022-12-13 12:00:23,416 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 470 transitions. Word has length 26 [2022-12-13 12:00:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:23,417 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 470 transitions. [2022-12-13 12:00:23,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (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) [2022-12-13 12:00:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 470 transitions. [2022-12-13 12:00:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:00:23,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:23,419 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] [2022-12-13 12:00:23,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:00:23,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:23,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:23,420 INFO L85 PathProgramCache]: Analyzing trace with hash -978169305, now seen corresponding path program 1 times [2022-12-13 12:00:23,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:23,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900376799] [2022-12-13 12:00:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:00:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:00:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:00:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:00:23,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:00:23,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900376799] [2022-12-13 12:00:23,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900376799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:00:23,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:00:23,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:00:23,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436301733] [2022-12-13 12:00:23,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:00:23,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:00:23,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:00:23,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:00:23,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:00:23,609 INFO L87 Difference]: Start difference. First operand 341 states and 470 transitions. 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) [2022-12-13 12:00:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:24,185 INFO L93 Difference]: Finished difference Result 688 states and 948 transitions. [2022-12-13 12:00:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:00:24,185 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 [2022-12-13 12:00:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:24,188 INFO L225 Difference]: With dead ends: 688 [2022-12-13 12:00:24,189 INFO L226 Difference]: Without dead ends: 353 [2022-12-13 12:00:24,190 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 [2022-12-13 12:00:24,191 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 91 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:24,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 949 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 12:00:24,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-12-13 12:00:24,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 343. [2022-12-13 12:00:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 240 states have (on average 1.3375) internal successors, (321), 247 states have internal predecessors, (321), 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) [2022-12-13 12:00:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 472 transitions. [2022-12-13 12:00:24,217 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 472 transitions. Word has length 26 [2022-12-13 12:00:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:24,217 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 472 transitions. [2022-12-13 12:00:24,218 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) [2022-12-13 12:00:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 472 transitions. [2022-12-13 12:00:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 12:00:24,219 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:24,219 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] [2022-12-13 12:00:24,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:00:24,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:24,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1815805277, now seen corresponding path program 1 times [2022-12-13 12:00:24,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:24,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59273283] [2022-12-13 12:00:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:00:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:00:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 12:00:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:24,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:00:24,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59273283] [2022-12-13 12:00:24,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59273283] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:00:24,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119093987] [2022-12-13 12:00:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:00:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:24,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:00:24,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:00:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:24,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:00:24,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:24,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:00:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:24,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119093987] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:00:24,695 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:00:24,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-12-13 12:00:24,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759930898] [2022-12-13 12:00:24,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:00:24,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:00:24,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:00:24,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:00:24,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:00:24,697 INFO L87 Difference]: Start difference. First operand 343 states and 472 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) [2022-12-13 12:00:25,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:25,388 INFO L93 Difference]: Finished difference Result 694 states and 955 transitions. [2022-12-13 12:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:00:25,389 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 [2022-12-13 12:00:25,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:25,391 INFO L225 Difference]: With dead ends: 694 [2022-12-13 12:00:25,391 INFO L226 Difference]: Without dead ends: 358 [2022-12-13 12:00:25,392 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 [2022-12-13 12:00:25,393 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 427 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:25,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1116 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 12:00:25,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-12-13 12:00:25,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 349. [2022-12-13 12:00:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 246 states have (on average 1.329268292682927) internal successors, (327), 253 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) [2022-12-13 12:00:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 478 transitions. [2022-12-13 12:00:25,407 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 478 transitions. Word has length 30 [2022-12-13 12:00:25,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:25,407 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 478 transitions. [2022-12-13 12:00:25,407 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) [2022-12-13 12:00:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 478 transitions. [2022-12-13 12:00:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 12:00:25,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:25,408 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] [2022-12-13 12:00:25,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:00:25,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-13 12:00:25,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:25,610 INFO L85 PathProgramCache]: Analyzing trace with hash -952137859, now seen corresponding path program 2 times [2022-12-13 12:00:25,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:25,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292814834] [2022-12-13 12:00:25,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:25,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:00:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:00:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:00:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:25,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:00:25,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292814834] [2022-12-13 12:00:25,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292814834] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:00:25,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242049996] [2022-12-13 12:00:25,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:00:25,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:00:25,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:25,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:00:25,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:00:26,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 12:00:26,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:00:26,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:00:26,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:26,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:00:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:26,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242049996] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:00:26,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:00:26,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-12-13 12:00:26,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699515221] [2022-12-13 12:00:26,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:00:26,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 12:00:26,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:00:26,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 12:00:26,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:00:26,671 INFO L87 Difference]: Start difference. First operand 349 states and 478 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) [2022-12-13 12:00:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:27,297 INFO L93 Difference]: Finished difference Result 706 states and 970 transitions. [2022-12-13 12:00:27,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 12:00:27,297 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 [2022-12-13 12:00:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:27,299 INFO L225 Difference]: With dead ends: 706 [2022-12-13 12:00:27,299 INFO L226 Difference]: Without dead ends: 370 [2022-12-13 12:00:27,300 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 [2022-12-13 12:00:27,301 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 592 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:27,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1116 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 12:00:27,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-12-13 12:00:27,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2022-12-13 12:00:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 258 states have (on average 1.313953488372093) internal successors, (339), 265 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) [2022-12-13 12:00:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 490 transitions. [2022-12-13 12:00:27,312 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 490 transitions. Word has length 36 [2022-12-13 12:00:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:27,313 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 490 transitions. [2022-12-13 12:00:27,313 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) [2022-12-13 12:00:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 490 transitions. [2022-12-13 12:00:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 12:00:27,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:27,314 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] [2022-12-13 12:00:27,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:00:27,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:00:27,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:27,515 INFO L85 PathProgramCache]: Analyzing trace with hash 826117809, now seen corresponding path program 3 times [2022-12-13 12:00:27,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:27,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060426045] [2022-12-13 12:00:27,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:27,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:00:27,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:00:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:00:27,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:00:27,773 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:00:27,774 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:00:27,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:00:27,778 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-12-13 12:00:27,780 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:00:27,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:00:27 BoogieIcfgContainer [2022-12-13 12:00:27,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:00:27,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:00:27,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:00:27,839 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:00:27,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:22" (3/4) ... [2022-12-13 12:00:27,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:00:27,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:00:27,842 INFO L158 Benchmark]: Toolchain (without parser) took 8564.72ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 118.5MB in the beginning and 137.8MB in the end (delta: -19.3MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-13 12:00:27,842 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:27,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.76ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 51.7MB in the end (delta: 66.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-12-13 12:00:27,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.07ms. Allocated memory is still 165.7MB. Free memory was 51.7MB in the beginning and 128.2MB in the end (delta: -76.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:00:27,843 INFO L158 Benchmark]: Boogie Preprocessor took 72.96ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 120.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:00:27,843 INFO L158 Benchmark]: RCFGBuilder took 1543.70ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.0MB in the beginning and 85.5MB in the end (delta: 34.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2022-12-13 12:00:27,844 INFO L158 Benchmark]: TraceAbstraction took 5664.27ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 137.8MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:27,844 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 239.1MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:27,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.76ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 51.7MB in the end (delta: 66.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.07ms. Allocated memory is still 165.7MB. Free memory was 51.7MB in the beginning and 128.2MB in the end (delta: -76.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.96ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 120.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1543.70ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.0MB in the beginning and 85.5MB in the end (delta: 34.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5664.27ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 137.8MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 239.1MB. Free memory is still 137.8MB. 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 call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1484. 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 [={0:0}, ={0:0}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, \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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \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, 355 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1303 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1199 mSDsluCounter, 3809 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2226 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1281 IncrementalHoareTripleChecker+Invalid, 1693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 1583 mSDtfsCounter, 1281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=4, InterpolantAutomatonStates: 29, 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, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1725 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 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 [2022-12-13 12:00:27,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:00:29,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:00:29,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:00:29,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:00:29,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:00:29,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:00:29,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:00:29,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:00:29,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:00:29,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:00:29,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:00:29,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:00:29,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:00:29,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:00:29,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:00:29,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:00:29,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:00:29,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:00:29,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:00:29,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:00:29,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:00:29,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:00:29,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:00:29,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:00:29,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:00:29,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:00:29,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:00:29,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:00:29,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:00:29,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:00:29,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:00:29,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:00:29,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:00:29,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:00:29,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:00:29,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:00:29,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:00:29,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:00:29,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:00:29,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:00:29,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:00:29,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 12:00:29,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:00:29,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:00:29,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:00:29,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:00:29,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:00:29,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:00:29,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:00:29,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:00:29,525 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:00:29,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:00:29,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:00:29,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:00:29,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:00:29,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:00:29,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:00:29,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:00:29,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:00:29,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:00:29,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:00:29,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:00:29,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:00:29,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:29,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:00:29,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:00:29,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:00:29,529 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:00:29,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:00:29,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:00:29,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:00:29,530 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:00:29,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:00:29,531 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:00:29,531 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:00:29,531 INFO L138 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-12-13 12:00:29,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:00:29,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:00:29,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:00:29,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:00:29,783 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:00:29,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 12:00:32,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:00:32,531 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:00:32,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 12:00:32,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/d4a004dba/aa750411f0e140928a0ddba3076e45e8/FLAGcdf950449 [2022-12-13 12:00:32,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/data/d4a004dba/aa750411f0e140928a0ddba3076e45e8 [2022-12-13 12:00:32,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:00:32,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:00:32,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:32,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:00:32,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:00:32,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:32" (1/1) ... [2022-12-13 12:00:32,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db8f0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:32, skipping insertion in model container [2022-12-13 12:00:32,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:32" (1/1) ... [2022-12-13 12:00:32,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:00:32,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:00:33,065 WARN L237 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 12:00:33,616 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:00:33,617 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 12:00:33,619 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:33,621 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:33,621 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 12:00:33,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 12:00:33,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:33,867 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 12:00:33,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:00:33,893 WARN L237 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 12:00:33,933 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:00:33,934 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 12:00:33,935 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:33,935 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:33,935 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 12:00:33,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 12:00:33,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:34,017 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:00:34,028 WARN L237 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_d6b9e1d8-72a4-4463-988b-93bfbf57adde/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 12:00:34,065 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:00:34,066 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 12:00:34,067 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:34,067 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:00:34,067 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 12:00:34,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 12:00:34,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:34,231 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:00:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34 WrapperNode [2022-12-13 12:00:34,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:34,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:34,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:00:34,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:00:34,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,310 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 975 [2022-12-13 12:00:34,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:34,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:00:34,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:00:34,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:00:34,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:00:34,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:00:34,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:00:34,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:00:34,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (1/1) ... [2022-12-13 12:00:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:34,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:34,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:00:34,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:00:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-12-13 12:00:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-12-13 12:00:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-12-13 12:00:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-12-13 12:00:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 12:00:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:00:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 12:00:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 12:00:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 12:00:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-12-13 12:00:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-13 12:00:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-12-13 12:00:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:00:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:00:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:00:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:00:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-12-13 12:00:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-12-13 12:00:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-12-13 12:00:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-12-13 12:00:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:00:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:00:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-12-13 12:00:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:00:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-13 12:00:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:00:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 12:00:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-12-13 12:00:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:00:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-12-13 12:00:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-13 12:00:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 12:00:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-13 12:00:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-12-13 12:00:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-12-13 12:00:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-12-13 12:00:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-12-13 12:00:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-12-13 12:00:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 12:00:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 12:00:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-12-13 12:00:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-12-13 12:00:34,685 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:00:34,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:00:38,538 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:00:38,547 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:00:38,547 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 12:00:38,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:38 BoogieIcfgContainer [2022-12-13 12:00:38,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:00:38,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:00:38,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:00:38,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:00:38,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:00:32" (1/3) ... [2022-12-13 12:00:38,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b545885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:38, skipping insertion in model container [2022-12-13 12:00:38,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:34" (2/3) ... [2022-12-13 12:00:38,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b545885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:38, skipping insertion in model container [2022-12-13 12:00:38,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:38" (3/3) ... [2022-12-13 12:00:38,559 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-12-13 12:00:38,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:00:38,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:00:38,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:00:38,638 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;@d44c9d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:00:38,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:00:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 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) [2022-12-13 12:00:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:00:38,652 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:38,652 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] [2022-12-13 12:00:38,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:38,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:38,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1001062355, now seen corresponding path program 1 times [2022-12-13 12:00:38,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:38,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305195037] [2022-12-13 12:00:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:38,674 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 [2022-12-13 12:00:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:38,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:00:38,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:39,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:00:39,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:00:39,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:00:39,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:00:39,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305195037] [2022-12-13 12:00:39,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305195037] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:00:39,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:00:39,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:00:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281795739] [2022-12-13 12:00:39,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:00:39,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:00:39,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:00:39,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:00:39,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:00:39,148 INFO L87 Difference]: Start difference. First operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 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) [2022-12-13 12:00:39,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:39,256 INFO L93 Difference]: Finished difference Result 700 states and 1000 transitions. [2022-12-13 12:00:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:00:39,259 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 [2022-12-13 12:00:39,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:39,276 INFO L225 Difference]: With dead ends: 700 [2022-12-13 12:00:39,276 INFO L226 Difference]: Without dead ends: 345 [2022-12-13 12:00:39,282 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 [2022-12-13 12:00:39,284 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 2 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:39,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 953 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:00:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-12-13 12:00:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2022-12-13 12:00:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 240 states have (on average 1.3375) internal successors, (321), 247 states have internal predecessors, (321), 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) [2022-12-13 12:00:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 472 transitions. [2022-12-13 12:00:39,357 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 472 transitions. Word has length 26 [2022-12-13 12:00:39,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:39,358 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 472 transitions. [2022-12-13 12:00:39,359 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) [2022-12-13 12:00:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 472 transitions. [2022-12-13 12:00:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 12:00:39,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:39,360 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] [2022-12-13 12:00:39,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:39,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:39,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:39,563 INFO L85 PathProgramCache]: Analyzing trace with hash 88278697, now seen corresponding path program 1 times [2022-12-13 12:00:39,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:39,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160092978] [2022-12-13 12:00:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:39,567 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 [2022-12-13 12:00:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:39,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:00:39,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:40,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:00:40,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:40,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:00:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:40,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:00:40,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160092978] [2022-12-13 12:00:40,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160092978] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:00:40,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:00:40,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 12:00:40,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668823843] [2022-12-13 12:00:40,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:00:40,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:00:40,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:00:40,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:00:40,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:00:40,099 INFO L87 Difference]: Start difference. First operand 343 states and 472 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) [2022-12-13 12:00:40,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:40,312 INFO L93 Difference]: Finished difference Result 685 states and 944 transitions. [2022-12-13 12:00:40,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:00:40,312 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 [2022-12-13 12:00:40,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:40,317 INFO L225 Difference]: With dead ends: 685 [2022-12-13 12:00:40,317 INFO L226 Difference]: Without dead ends: 349 [2022-12-13 12:00:40,319 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 [2022-12-13 12:00:40,320 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 171 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:40,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1433 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:00:40,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-12-13 12:00:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2022-12-13 12:00:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 253 states have internal predecessors, (326), 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) [2022-12-13 12:00:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 477 transitions. [2022-12-13 12:00:40,340 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 477 transitions. Word has length 30 [2022-12-13 12:00:40,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:40,340 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 477 transitions. [2022-12-13 12:00:40,341 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) [2022-12-13 12:00:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 477 transitions. [2022-12-13 12:00:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 12:00:40,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:40,341 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] [2022-12-13 12:00:40,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 12:00:40,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:40,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:40,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:40,543 INFO L85 PathProgramCache]: Analyzing trace with hash 3927171, now seen corresponding path program 2 times [2022-12-13 12:00:40,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:40,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172633560] [2022-12-13 12:00:40,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:00:40,544 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 [2022-12-13 12:00:40,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:40,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:00:40,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:40,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 12:00:40,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:00:41,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:00:41,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:41,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:00:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:00:41,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:00:41,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172633560] [2022-12-13 12:00:41,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172633560] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:00:41,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:00:41,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 12:00:41,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838584596] [2022-12-13 12:00:41,159 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:00:41,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 12:00:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:00:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 12:00:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:00:41,160 INFO L87 Difference]: Start difference. First operand 349 states and 477 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) [2022-12-13 12:00:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:41,674 INFO L93 Difference]: Finished difference Result 697 states and 957 transitions. [2022-12-13 12:00:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 12:00:41,675 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 [2022-12-13 12:00:41,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:41,678 INFO L225 Difference]: With dead ends: 697 [2022-12-13 12:00:41,678 INFO L226 Difference]: Without dead ends: 361 [2022-12-13 12:00:41,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-12-13 12:00:41,680 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 505 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:41,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 2461 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 12:00:41,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-12-13 12:00:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2022-12-13 12:00:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 258 states have (on average 1.310077519379845) internal successors, (338), 265 states have internal predecessors, (338), 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) [2022-12-13 12:00:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 489 transitions. [2022-12-13 12:00:41,695 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 489 transitions. Word has length 36 [2022-12-13 12:00:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:41,695 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 489 transitions. [2022-12-13 12:00:41,695 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) [2022-12-13 12:00:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 489 transitions. [2022-12-13 12:00:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 12:00:41,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:41,696 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] [2022-12-13 12:00:41,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 12:00:41,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:41,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:00:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2007004599, now seen corresponding path program 3 times [2022-12-13 12:00:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:41,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274234777] [2022-12-13 12:00:41,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 12:00:41,898 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 [2022-12-13 12:00:41,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:41,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:00:41,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:43,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 12:00:43,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-13 12:00:43,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:00:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:00:43,504 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:00:43,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:00:43,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:00:43,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 12:00:43,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:00:43,710 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-13 12:00:43,713 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:00:43,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:00:43 BoogieIcfgContainer [2022-12-13 12:00:43,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:00:43,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:00:43,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:00:43,820 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:00:43,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:38" (3/4) ... [2022-12-13 12:00:43,823 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:00:43,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:00:43,824 INFO L158 Benchmark]: Toolchain (without parser) took 10969.74ms. Allocated memory was 88.1MB in the beginning and 320.9MB in the end (delta: 232.8MB). Free memory was 66.6MB in the beginning and 251.4MB in the end (delta: -184.8MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,824 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:43,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.53ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 30.2MB in the end (delta: 36.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.17ms. Allocated memory is still 88.1MB. Free memory was 30.2MB in the beginning and 47.7MB in the end (delta: -17.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,825 INFO L158 Benchmark]: Boogie Preprocessor took 52.46ms. Allocated memory is still 88.1MB. Free memory was 47.7MB in the beginning and 39.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,826 INFO L158 Benchmark]: RCFGBuilder took 4185.83ms. Allocated memory was 88.1MB in the beginning and 205.5MB in the end (delta: 117.4MB). Free memory was 39.4MB in the beginning and 112.0MB in the end (delta: -72.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,826 INFO L158 Benchmark]: TraceAbstraction took 5267.16ms. Allocated memory was 205.5MB in the beginning and 320.9MB in the end (delta: 115.3MB). Free memory was 112.0MB in the beginning and 252.5MB in the end (delta: -140.4MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2022-12-13 12:00:43,827 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 320.9MB. Free memory is still 251.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:43,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.53ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 30.2MB in the end (delta: 36.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.17ms. Allocated memory is still 88.1MB. Free memory was 30.2MB in the beginning and 47.7MB in the end (delta: -17.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.46ms. Allocated memory is still 88.1MB. Free memory was 47.7MB in the beginning and 39.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4185.83ms. Allocated memory was 88.1MB in the beginning and 205.5MB in the end (delta: 117.4MB). Free memory was 39.4MB in the beginning and 112.0MB in the end (delta: -72.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5267.16ms. Allocated memory was 205.5MB in the beginning and 320.9MB in the end (delta: 115.3MB). Free memory was 112.0MB in the beginning and 252.5MB in the end (delta: -140.4MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 320.9MB. Free memory is still 251.4MB. 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 call to reach_error is unreachable Unable to prove that 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 [={0:0}, ={-1:7}, ={0:0}, ={-1:8}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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}, ={-1:8}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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}, ={-1:8}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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}, ={-1:8}, ={-1:7}, ={-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}, ={-1:8}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, 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 [={-1:8}, ={-1:7}, ={-1:7}, ={-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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \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}, ={-1:8}, ={-1:8}, ={-1:7}, \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, 355 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 736 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 4847 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3438 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 1409 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred 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: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1725 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 [2022-12-13 12:00:43,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b9e1d8-72a4-4463-988b-93bfbf57adde/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample