./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL --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 b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:18:17,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:18:17,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:18:17,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:18:17,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:18:17,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:18:17,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:18:17,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:18:17,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:18:17,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:18:17,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:18:17,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:18:17,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:18:17,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:18:17,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:18:17,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:18:17,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:18:17,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:18:17,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:18:17,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:18:17,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:18:17,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:18:17,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:18:17,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:18:17,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:18:17,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:18:17,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:18:17,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:18:17,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:18:17,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:18:17,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:18:17,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:18:17,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:18:17,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:18:17,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:18:17,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:18:17,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:18:17,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:18:17,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:18:17,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:18:17,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:18:17,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:18:17,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:18:17,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:18:17,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:18:17,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:18:17,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:18:17,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:18:17,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:18:17,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:18:17,227 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:18:17,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:18:17,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:18:17,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:18:17,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:18:17,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:18:17,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:18:17,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:18:17,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:18:17,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:18:17,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:18:17,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:18:17,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:18:17,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:18:17,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:18:17,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:18:17,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:18:17,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:18:17,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:18:17,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:18:17,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:18:17,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:18:17,232 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:18:17,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:18:17,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:18:17,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:18:17,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-11-19 04:18:17,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:18:17,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:18:17,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:18:17,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:18:17,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:18:17,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-19 04:18:17,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/0d4edd60b/219cf7aea83845d0b60d19e29aa4674d/FLAG0ece0f683 [2021-11-19 04:18:18,513 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:18:18,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-19 04:18:18,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/0d4edd60b/219cf7aea83845d0b60d19e29aa4674d/FLAG0ece0f683 [2021-11-19 04:18:18,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/0d4edd60b/219cf7aea83845d0b60d19e29aa4674d [2021-11-19 04:18:18,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:18:18,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:18:18,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:18:18,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:18:18,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:18:18,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:18" (1/1) ... [2021-11-19 04:18:18,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185ba54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:18, skipping insertion in model container [2021-11-19 04:18:18,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:18" (1/1) ... [2021-11-19 04:18:18,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:18:18,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:18:19,035 WARN L230 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_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-19 04:18:20,348 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:18:20,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:18:20,447 WARN L230 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_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-19 04:18:20,716 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:18:20,902 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:18:20,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20 WrapperNode [2021-11-19 04:18:20,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:18:20,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:18:20,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:18:20,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:18:20,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,127 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1004 [2021-11-19 04:18:21,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:18:21,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:18:21,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:18:21,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:18:21,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:18:21,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:18:21,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:18:21,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:18:21,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (1/1) ... [2021-11-19 04:18:21,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:18:21,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:18:21,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:18:21,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:18:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-19 04:18:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-19 04:18:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 04:18:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-19 04:18:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 04:18:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 04:18:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:18:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 04:18:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 04:18:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 04:18:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-19 04:18:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-19 04:18:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-19 04:18:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:18:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:18:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:18:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-19 04:18:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-19 04:18:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:18:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:18:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:18:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:18:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-19 04:18:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-19 04:18:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-19 04:18:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-19 04:18:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-19 04:18:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-19 04:18:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:18:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:18:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-19 04:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-19 04:18:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:18:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 04:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 04:18:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-19 04:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-19 04:18:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:18:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:18:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 04:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 04:18:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-19 04:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-19 04:18:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-19 04:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-19 04:18:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:18:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-19 04:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-19 04:18:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-19 04:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-19 04:18:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 04:18:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 04:18:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-19 04:18:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-19 04:18:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-19 04:18:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-19 04:18:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-19 04:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-19 04:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-19 04:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-19 04:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-19 04:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-19 04:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-19 04:18:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-19 04:18:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 04:18:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 04:18:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 04:18:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 04:18:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:18:21,697 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:18:21,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:18:24,467 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:18:24,487 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:18:24,488 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 04:18:24,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:24 BoogieIcfgContainer [2021-11-19 04:18:24,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:18:24,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:18:24,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:18:24,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:18:24,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:18" (1/3) ... [2021-11-19 04:18:24,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b32720e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:24, skipping insertion in model container [2021-11-19 04:18:24,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20" (2/3) ... [2021-11-19 04:18:24,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b32720e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:24, skipping insertion in model container [2021-11-19 04:18:24,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:24" (3/3) ... [2021-11-19 04:18:24,504 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-11-19 04:18:24,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:18:24,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:18:24,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:18:24,602 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:18:24,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:18:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 353 states, 247 states have (on average 1.360323886639676) internal successors, (336), 253 states have internal predecessors, (336), 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) [2021-11-19 04:18:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:18:24,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:24,659 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:24,660 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:24,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1689417019, now seen corresponding path program 1 times [2021-11-19 04:18:24,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:24,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699837903] [2021-11-19 04:18:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:24,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:18:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:18:25,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:25,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699837903] [2021-11-19 04:18:25,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699837903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:25,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:25,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:18:25,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859248158] [2021-11-19 04:18:25,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:25,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:18:25,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:25,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:18:25,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:18:25,263 INFO L87 Difference]: Start difference. First operand has 353 states, 247 states have (on average 1.360323886639676) internal successors, (336), 253 states have internal predecessors, (336), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 04:18:26,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:26,526 INFO L93 Difference]: Finished difference Result 712 states and 1032 transitions. [2021-11-19 04:18:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:18:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-19 04:18:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:26,566 INFO L225 Difference]: With dead ends: 712 [2021-11-19 04:18:26,566 INFO L226 Difference]: Without dead ends: 355 [2021-11-19 04:18:26,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:18:26,597 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 86 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:26,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1090 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 04:18:26,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-11-19 04:18:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 345. [2021-11-19 04:18:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 242 states have (on average 1.3388429752066116) internal successors, (324), 248 states have internal predecessors, (324), 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) [2021-11-19 04:18:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 475 transitions. [2021-11-19 04:18:26,726 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 475 transitions. Word has length 23 [2021-11-19 04:18:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:26,727 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 475 transitions. [2021-11-19 04:18:26,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 04:18:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 475 transitions. [2021-11-19 04:18:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-19 04:18:26,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:26,731 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:26,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:18:26,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2040210559, now seen corresponding path program 1 times [2021-11-19 04:18:26,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:26,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582085210] [2021-11-19 04:18:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:26,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-19 04:18:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:26,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:26,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582085210] [2021-11-19 04:18:26,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582085210] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 04:18:26,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968396908] [2021-11-19 04:18:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:26,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:18:26,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:18:26,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:18:26,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 04:18:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:27,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:18:27,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:27,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:27,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968396908] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 04:18:27,486 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 04:18:27,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-11-19 04:18:27,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045169196] [2021-11-19 04:18:27,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 04:18:27,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 04:18:27,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:27,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 04:18:27,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:18:27,490 INFO L87 Difference]: Start difference. First operand 345 states and 475 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:28,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:28,763 INFO L93 Difference]: Finished difference Result 698 states and 961 transitions. [2021-11-19 04:18:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:18:28,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2021-11-19 04:18:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:28,768 INFO L225 Difference]: With dead ends: 698 [2021-11-19 04:18:28,768 INFO L226 Difference]: Without dead ends: 360 [2021-11-19 04:18:28,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:18:28,772 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 256 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:28,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 1592 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-19 04:18:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-19 04:18:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 351. [2021-11-19 04:18:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 254 states have internal predecessors, (330), 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) [2021-11-19 04:18:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 481 transitions. [2021-11-19 04:18:28,804 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 481 transitions. Word has length 27 [2021-11-19 04:18:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:28,805 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 481 transitions. [2021-11-19 04:18:28,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 481 transitions. [2021-11-19 04:18:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-19 04:18:28,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:28,807 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:28,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-19 04:18:29,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:18:29,025 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:29,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:29,025 INFO L85 PathProgramCache]: Analyzing trace with hash -792000699, now seen corresponding path program 2 times [2021-11-19 04:18:29,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:29,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345959688] [2021-11-19 04:18:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:29,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-19 04:18:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:29,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:29,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345959688] [2021-11-19 04:18:29,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345959688] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 04:18:29,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405259719] [2021-11-19 04:18:29,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 04:18:29,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:18:29,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:18:29,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:18:29,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 04:18:30,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 04:18:30,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 04:18:30,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 04:18:30,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:30,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:30,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405259719] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 04:18:30,807 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 04:18:30,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-11-19 04:18:30,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850784940] [2021-11-19 04:18:30,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 04:18:30,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 04:18:30,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:30,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 04:18:30,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-19 04:18:30,810 INFO L87 Difference]: Start difference. First operand 351 states and 481 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:31,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:31,969 INFO L93 Difference]: Finished difference Result 710 states and 976 transitions. [2021-11-19 04:18:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 04:18:31,970 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2021-11-19 04:18:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:31,974 INFO L225 Difference]: With dead ends: 710 [2021-11-19 04:18:31,974 INFO L226 Difference]: Without dead ends: 372 [2021-11-19 04:18:31,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-19 04:18:31,978 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 927 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:31,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 1226 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 04:18:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-19 04:18:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 363. [2021-11-19 04:18:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 260 states have (on average 1.3153846153846154) internal successors, (342), 266 states have internal predecessors, (342), 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) [2021-11-19 04:18:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 493 transitions. [2021-11-19 04:18:32,007 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 493 transitions. Word has length 33 [2021-11-19 04:18:32,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:32,008 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 493 transitions. [2021-11-19 04:18:32,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 493 transitions. [2021-11-19 04:18:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-19 04:18:32,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:32,013 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:32,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:18:32,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:18:32,238 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:32,238 INFO L85 PathProgramCache]: Analyzing trace with hash 551495505, now seen corresponding path program 3 times [2021-11-19 04:18:32,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:32,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186419268] [2021-11-19 04:18:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:32,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:18:32,666 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:18:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:18:33,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:18:33,058 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 04:18:33,060 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location outbErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:18:33,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:18:33,066 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2021-11-19 04:18:33,070 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:18:33,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:18:33 BoogieIcfgContainer [2021-11-19 04:18:33,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:18:33,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:18:33,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:18:33,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:18:33,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:24" (3/4) ... [2021-11-19 04:18:33,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:18:33,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:18:33,256 INFO L158 Benchmark]: Toolchain (without parser) took 14632.87ms. Allocated memory was 98.6MB in the beginning and 243.3MB in the end (delta: 144.7MB). Free memory was 52.5MB in the beginning and 143.9MB in the end (delta: -91.4MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,257 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:18:33,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2278.82ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 52.3MB in the beginning and 94.4MB in the end (delta: -42.0MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.48ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 85.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,259 INFO L158 Benchmark]: Boogie Preprocessor took 110.82ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 77.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,264 INFO L158 Benchmark]: RCFGBuilder took 3244.10ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 77.6MB in the beginning and 79.4MB in the end (delta: -1.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,265 INFO L158 Benchmark]: TraceAbstraction took 8755.47ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 78.3MB in the beginning and 145.0MB in the end (delta: -66.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-11-19 04:18:33,265 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 243.3MB. Free memory was 145.0MB in the beginning and 143.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:18:33,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2278.82ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 52.3MB in the beginning and 94.4MB in the end (delta: -42.0MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.48ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 85.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.82ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 77.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3244.10ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 77.6MB in the beginning and 79.4MB in the end (delta: -1.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8755.47ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 78.3MB in the beginning and 145.0MB in the end (delta: -66.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 243.3MB. Free memory was 145.0MB in the beginning and 143.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={-1:8}, ={-1:7}, ={0:0}, ={0:0}, action=0, cdev_registered={55:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, lock={46:0}, lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=0, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=0, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=1, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=1, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=2, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=2, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=3, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=3, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=4, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=4, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=5, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=5, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=6, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=6, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=7, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=7, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=8, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=8, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=9, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=9, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=10, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=10, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=0, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=0, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=1, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, i=1, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L2728] RET init_kernel() [L2730] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, fmt={20:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L4480] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, fmt={20:0}, fmt={20:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L1469] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L3958] 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={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] [L12] reach_error() VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={61:0}, fixed_cdev_used=0, fixed_gendisk={45:0}, fixed_request_queue={50:0}, genhd_registered={52:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={46:0}, 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={49:0}, registered_pci_driver={62:0}, shared_workqueue={41:0}, tasklet_registered={57:0}, timer_registered={60:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={54:0}, zf_info={59:0}, zf_is_open={63:0}, zf_lock={56:0}, zf_miscdev={51:0}, zf_notifier={53:0}, zf_port_lock={65:0}, zf_timer={42:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 357 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1363 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1269 mSDsluCounter, 3908 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2550 mSDsCounter, 399 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 923 IncrementalHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 399 mSolverCounterUnsat, 1358 mSDtfsCounter, 923 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 04:18:33,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL --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 b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:18:35,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:18:35,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:18:35,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:18:35,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:18:35,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:18:35,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:18:35,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:18:35,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:18:35,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:18:35,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:18:35,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:18:35,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:18:35,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:18:35,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:18:35,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:18:35,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:18:35,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:18:35,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:18:35,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:18:35,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:18:35,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:18:35,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:18:35,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:18:35,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:18:35,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:18:35,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:18:35,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:18:35,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:18:35,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:18:35,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:18:35,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:18:35,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:18:35,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:18:35,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:18:35,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:18:35,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:18:35,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:18:35,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:18:35,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:18:35,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:18:35,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-19 04:18:36,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:18:36,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:18:36,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:18:36,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:18:36,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:18:36,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:18:36,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:18:36,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:18:36,015 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:18:36,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:18:36,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:18:36,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:18:36,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:18:36,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:18:36,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:18:36,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:18:36,018 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 04:18:36,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 04:18:36,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:18:36,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:18:36,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:18:36,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:18:36,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:18:36,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:18:36,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:18:36,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:18:36,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:18:36,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:18:36,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:18:36,021 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 04:18:36,021 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 04:18:36,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:18:36,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:18:36,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:18:36,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:18:36,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 04:18:36,023 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-11-19 04:18:36,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:18:36,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:18:36,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:18:36,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:18:36,489 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:18:36,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-19 04:18:36,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/3043074ae/3e0d33bb888545fd8a6f59a0693f272b/FLAGa8e04812a [2021-11-19 04:18:37,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:18:37,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-19 04:18:37,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/3043074ae/3e0d33bb888545fd8a6f59a0693f272b/FLAGa8e04812a [2021-11-19 04:18:37,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/data/3043074ae/3e0d33bb888545fd8a6f59a0693f272b [2021-11-19 04:18:37,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:18:37,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:18:37,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:18:37,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:18:37,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:18:37,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:37" (1/1) ... [2021-11-19 04:18:37,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438f8efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:37, skipping insertion in model container [2021-11-19 04:18:37,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:37" (1/1) ... [2021-11-19 04:18:37,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:18:37,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:18:38,001 WARN L230 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_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-19 04:18:39,383 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:18:39,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:18:39,426 WARN L230 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_411e78bc-044a-4d8b-b652-593572446359/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-19 04:18:39,658 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:18:39,846 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:18:39,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39 WrapperNode [2021-11-19 04:18:39,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:18:39,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:18:39,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:18:39,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:18:39,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:39,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,091 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 961 [2021-11-19 04:18:40,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:18:40,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:18:40,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:18:40,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:18:40,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:18:40,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:18:40,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:18:40,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:18:40,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (1/1) ... [2021-11-19 04:18:40,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:18:40,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:18:40,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:18:40,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:18:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-19 04:18:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-19 04:18:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-19 04:18:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-19 04:18:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 04:18:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-19 04:18:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 04:18:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 04:18:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:18:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 04:18:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 04:18:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 04:18:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 04:18:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 04:18:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 04:18:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-19 04:18:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-19 04:18:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-19 04:18:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 04:18:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 04:18:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:18:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-19 04:18:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-19 04:18:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:18:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:18:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:18:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:18:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-19 04:18:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-19 04:18:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-19 04:18:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-19 04:18:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:18:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:18:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-19 04:18:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-19 04:18:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 04:18:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 04:18:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 04:18:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:18:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 04:18:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 04:18:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-19 04:18:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-19 04:18:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:18:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:18:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 04:18:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 04:18:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 04:18:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-19 04:18:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-19 04:18:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 04:18:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 04:18:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 04:18:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:18:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-19 04:18:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-19 04:18:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-19 04:18:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-19 04:18:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 04:18:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 04:18:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-19 04:18:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-19 04:18:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-19 04:18:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-19 04:18:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-19 04:18:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-19 04:18:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 04:18:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 04:18:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-19 04:18:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-19 04:18:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 04:18:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-19 04:18:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-19 04:18:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 04:18:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 04:18:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-19 04:18:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-19 04:18:40,799 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:18:40,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:18:45,342 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:18:45,351 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:18:45,352 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 04:18:45,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:45 BoogieIcfgContainer [2021-11-19 04:18:45,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:18:45,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:18:45,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:18:45,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:18:45,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:37" (1/3) ... [2021-11-19 04:18:45,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47916e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:45, skipping insertion in model container [2021-11-19 04:18:45,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:39" (2/3) ... [2021-11-19 04:18:45,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47916e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:45, skipping insertion in model container [2021-11-19 04:18:45,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:45" (3/3) ... [2021-11-19 04:18:45,363 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-11-19 04:18:45,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:18:45,368 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:18:45,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:18:45,423 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:18:45,423 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:18:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 353 states, 247 states have (on average 1.360323886639676) internal successors, (336), 253 states have internal predecessors, (336), 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) [2021-11-19 04:18:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:18:45,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:45,454 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:45,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:45,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1780362613, now seen corresponding path program 1 times [2021-11-19 04:18:45,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:18:45,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942513092] [2021-11-19 04:18:45,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:45,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:18:45,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:18:45,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:18:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 04:18:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:45,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 04:18:45,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:18:45,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:18:45,997 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:18:45,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942513092] [2021-11-19 04:18:45,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942513092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:45,998 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:45,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 04:18:46,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374337807] [2021-11-19 04:18:46,001 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:46,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:18:46,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:18:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:18:46,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:18:46,034 INFO L87 Difference]: Start difference. First operand has 353 states, 247 states have (on average 1.360323886639676) internal successors, (336), 253 states have internal predecessors, (336), 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 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:46,113 INFO L93 Difference]: Finished difference Result 700 states and 1014 transitions. [2021-11-19 04:18:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:18:46,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-11-19 04:18:46,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:46,131 INFO L225 Difference]: With dead ends: 700 [2021-11-19 04:18:46,131 INFO L226 Difference]: Without dead ends: 343 [2021-11-19 04:18:46,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:18:46,144 INFO L933 BasicCegarLoop]: 486 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:46,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:18:46,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-11-19 04:18:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2021-11-19 04:18:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 240 states have (on average 1.3416666666666666) internal successors, (322), 246 states have internal predecessors, (322), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2021-11-19 04:18:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 473 transitions. [2021-11-19 04:18:46,220 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 473 transitions. Word has length 23 [2021-11-19 04:18:46,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:46,222 INFO L470 AbstractCegarLoop]: Abstraction has 343 states and 473 transitions. [2021-11-19 04:18:46,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 473 transitions. [2021-11-19 04:18:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:18:46,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:46,224 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:46,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:18:46,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:18:46,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 21226903, now seen corresponding path program 1 times [2021-11-19 04:18:46,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:18:46,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534683539] [2021-11-19 04:18:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:46,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:18:46,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:18:46,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:18:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 04:18:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:46,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 04:18:46,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:18:46,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:18:46,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:18:46,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534683539] [2021-11-19 04:18:46,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534683539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:46,989 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:46,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 04:18:46,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441708282] [2021-11-19 04:18:46,990 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:46,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:18:46,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:18:46,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:18:46,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:18:46,993 INFO L87 Difference]: Start difference. First operand 343 states and 473 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:47,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:47,302 INFO L93 Difference]: Finished difference Result 822 states and 1171 transitions. [2021-11-19 04:18:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:18:47,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-11-19 04:18:47,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:47,309 INFO L225 Difference]: With dead ends: 822 [2021-11-19 04:18:47,309 INFO L226 Difference]: Without dead ends: 485 [2021-11-19 04:18:47,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:18:47,312 INFO L933 BasicCegarLoop]: 499 mSDtfsCounter, 169 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:47,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 1429 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 04:18:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-11-19 04:18:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 347. [2021-11-19 04:18:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 244 states have (on average 1.3360655737704918) internal successors, (326), 250 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) [2021-11-19 04:18:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2021-11-19 04:18:47,361 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 23 [2021-11-19 04:18:47,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:47,361 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2021-11-19 04:18:47,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2021-11-19 04:18:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-19 04:18:47,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:47,363 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:18:47,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:18:47,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:18:47,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1553952099, now seen corresponding path program 1 times [2021-11-19 04:18:47,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:18:47,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203241388] [2021-11-19 04:18:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:47,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:18:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:18:47,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:18:47,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 04:18:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:47,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:18:47,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:48,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:48,194 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:18:48,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203241388] [2021-11-19 04:18:48,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203241388] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 04:18:48,195 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 04:18:48,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-19 04:18:48,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162027391] [2021-11-19 04:18:48,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 04:18:48,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 04:18:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:18:48,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 04:18:48,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:18:48,197 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:48,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:48,696 INFO L93 Difference]: Finished difference Result 693 states and 955 transitions. [2021-11-19 04:18:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:18:48,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-11-19 04:18:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:48,700 INFO L225 Difference]: With dead ends: 693 [2021-11-19 04:18:48,700 INFO L226 Difference]: Without dead ends: 355 [2021-11-19 04:18:48,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:18:48,703 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 502 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:48,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 1880 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 04:18:48,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-11-19 04:18:48,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2021-11-19 04:18:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 252 states have (on average 1.3214285714285714) internal successors, (333), 258 states have internal predecessors, (333), 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) [2021-11-19 04:18:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 484 transitions. [2021-11-19 04:18:48,727 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 484 transitions. Word has length 29 [2021-11-19 04:18:48,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:48,727 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 484 transitions. [2021-11-19 04:18:48,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 484 transitions. [2021-11-19 04:18:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-19 04:18:48,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:48,729 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:18:48,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:18:48,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:18:48,944 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:48,945 INFO L85 PathProgramCache]: Analyzing trace with hash -976417627, now seen corresponding path program 2 times [2021-11-19 04:18:48,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:18:48,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115723519] [2021-11-19 04:18:48,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 04:18:48,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:18:48,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:18:48,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:18:48,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 04:18:51,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 04:18:51,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 04:18:51,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 04:18:51,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:18:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:52,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:18:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:18:52,475 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:18:52,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115723519] [2021-11-19 04:18:52,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115723519] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 04:18:52,475 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 04:18:52,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-19 04:18:52,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261073159] [2021-11-19 04:18:52,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 04:18:52,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 04:18:52,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:18:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 04:18:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-19 04:18:52,477 INFO L87 Difference]: Start difference. First operand 355 states and 484 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:53,463 INFO L93 Difference]: Finished difference Result 701 states and 961 transitions. [2021-11-19 04:18:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 04:18:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2021-11-19 04:18:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:53,469 INFO L225 Difference]: With dead ends: 701 [2021-11-19 04:18:53,469 INFO L226 Difference]: Without dead ends: 363 [2021-11-19 04:18:53,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-19 04:18:53,473 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 348 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:53,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 3349 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 04:18:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-19 04:18:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-19 04:18:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 260 states have (on average 1.3115384615384615) internal successors, (341), 266 states have internal predecessors, (341), 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) [2021-11-19 04:18:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 492 transitions. [2021-11-19 04:18:53,511 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 492 transitions. Word has length 37 [2021-11-19 04:18:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:53,512 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 492 transitions. [2021-11-19 04:18:53,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 04:18:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 492 transitions. [2021-11-19 04:18:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-19 04:18:53,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:53,517 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:18:53,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:18:53,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:18:53,740 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:18:53,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:53,741 INFO L85 PathProgramCache]: Analyzing trace with hash -79495507, now seen corresponding path program 3 times [2021-11-19 04:18:53,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:18:53,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481909073] [2021-11-19 04:18:53,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 04:18:53,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:18:53,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:18:53,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:18:53,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 04:18:57,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-19 04:18:57,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-19 04:18:57,694 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:19:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:19:02,166 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-19 04:19:02,166 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 04:19:02,167 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location outbErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:19:02,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:19:02,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:19:02,392 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-11-19 04:19:02,394 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:19:02,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:19:02 BoogieIcfgContainer [2021-11-19 04:19:02,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:19:02,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:19:02,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:19:02,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:19:02,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:45" (3/4) ... [2021-11-19 04:19:02,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:19:02,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:19:02,634 INFO L158 Benchmark]: Toolchain (without parser) took 25074.03ms. Allocated memory was 54.5MB in the beginning and 144.7MB in the end (delta: 90.2MB). Free memory was 27.7MB in the beginning and 96.2MB in the end (delta: -68.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,634 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:19:02,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2281.81ms. Allocated memory was 54.5MB in the beginning and 90.2MB in the end (delta: 35.7MB). Free memory was 27.5MB in the beginning and 56.5MB in the end (delta: -29.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.00ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 47.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,635 INFO L158 Benchmark]: Boogie Preprocessor took 175.78ms. Allocated memory is still 90.2MB. Free memory was 47.7MB in the beginning and 39.9MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,635 INFO L158 Benchmark]: RCFGBuilder took 5085.82ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 39.9MB in the beginning and 95.2MB in the end (delta: -55.3MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,636 INFO L158 Benchmark]: TraceAbstraction took 17271.21ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 97.3MB in the end (delta: -3.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-19 04:19:02,636 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:19:02,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2281.81ms. Allocated memory was 54.5MB in the beginning and 90.2MB in the end (delta: 35.7MB). Free memory was 27.5MB in the beginning and 56.5MB in the end (delta: -29.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.00ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 47.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.78ms. Allocated memory is still 90.2MB. Free memory was 47.7MB in the beginning and 39.9MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5085.82ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 39.9MB in the beginning and 95.2MB in the end (delta: -55.3MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17271.21ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 97.3MB in the end (delta: -3.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={31:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, lock={-2147483636:0}, lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=0, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=0, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=1, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=1, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=2, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=2, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=3, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=3, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=4, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=4, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=5, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=5, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=6, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=6, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=7, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=7, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=8, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=8, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=9, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=9, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=10, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=10, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=0, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=0, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2672] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=1, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, i=1, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L2728] RET init_kernel() [L2730] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [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={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, fmt={20:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L4480] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, fmt={20:0}, fmt={20:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [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={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L1469] CALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L3958] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={31:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={86:0}, fixed_cdev_used=0, fixed_gendisk={-2147483618:0}, fixed_request_queue={805306398:0}, genhd_registered={214:0}, global_tty_driver={77:0}, jiffies=0, kernel_lock={-2147483636:0}, 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={60:0}, registered_pci_driver={30:0}, shared_workqueue={117:0}, tasklet_registered={28:0}, timer_registered={-2147483602:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={95:0}, zf_info={29:0}, zf_is_open={287:0}, zf_lock={110:0}, zf_miscdev={78:0}, zf_notifier={27:0}, zf_port_lock={-2147483625:0}, zf_timer={91:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 357 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1106 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1019 mSDsluCounter, 7144 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5223 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 483 IncrementalHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 1921 mSDtfsCounter, 483 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 138 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1372 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 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 [2021-11-19 04:19:02,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e78bc-044a-4d8b-b652-593572446359/bin/uautomizer-ZXIjhQolGL/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