./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:12:13,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:12:13,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:12:13,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:12:13,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:12:13,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:12:13,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:12:13,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:12:13,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:12:13,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:12:13,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:12:13,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:12:13,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:12:13,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:12:13,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:12:13,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:12:13,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:12:13,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:12:13,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:12:13,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:12:13,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:12:13,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:12:13,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:12:13,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:12:13,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:12:13,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:12:13,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:12:13,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:12:13,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:12:13,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:12:13,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:12:13,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:12:13,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:12:13,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:12:13,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:12:13,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:12:13,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:12:13,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:12:13,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:12:13,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:12:13,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:12:13,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:12:13,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:12:13,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:12:13,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:12:13,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:12:13,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:12:13,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:12:13,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:12:13,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:12:13,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:12:13,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:12:13,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:12:13,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:13,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:12:13,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:12:13,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:12:13,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:12:13,395 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-12-06 19:12:13,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:12:13,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:12:13,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:12:13,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:12:13,595 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:12:13,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-12-06 19:12:13,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/94ee36432/ed134ef08ad044118b5de119f8cc626e/FLAGa55cef7dc [2021-12-06 19:12:14,168 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:12:14,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-12-06 19:12:14,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/94ee36432/ed134ef08ad044118b5de119f8cc626e/FLAGa55cef7dc [2021-12-06 19:12:14,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/94ee36432/ed134ef08ad044118b5de119f8cc626e [2021-12-06 19:12:14,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:12:14,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:12:14,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:14,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:12:14,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:12:14,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:14" (1/1) ... [2021-12-06 19:12:14,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1facd8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:14, skipping insertion in model container [2021-12-06 19:12:14,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:14" (1/1) ... [2021-12-06 19:12:14,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:12:14,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:12:14,883 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-12-06 19:12:15,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:15,653 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:12:15,660 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-12-06 19:12:15,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:15,857 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:12:15,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15 WrapperNode [2021-12-06 19:12:15,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:15,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:15,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:12:15,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:12:15,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:15,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:15,974 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1024 [2021-12-06 19:12:15,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:15,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:12:15,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:12:15,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:12:15,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:15,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:15,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:15,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:16,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:16,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:16,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:16,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:12:16,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:12:16,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:12:16,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:12:16,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (1/1) ... [2021-12-06 19:12:16,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:16,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:12:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-06 19:12:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-06 19:12:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 19:12:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-06 19:12:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 19:12:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 19:12:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:12:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:12:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:12:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 19:12:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-06 19:12:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-06 19:12:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-06 19:12:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:12:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:12:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:12:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-06 19:12:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-06 19:12:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-06 19:12:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-06 19:12:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-06 19:12:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-06 19:12:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:12:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:12:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-06 19:12:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 19:12:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-06 19:12:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:12:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 19:12:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 19:12:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-06 19:12:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-06 19:12:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 19:12:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 19:12:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:12:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-06 19:12:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-06 19:12:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-06 19:12:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-06 19:12:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-06 19:12:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-06 19:12:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-06 19:12:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-06 19:12:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-06 19:12:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-06 19:12:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-06 19:12:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-06 19:12:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:12:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-06 19:12:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-06 19:12:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-06 19:12:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-06 19:12:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-06 19:12:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-06 19:12:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:12:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:12:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 19:12:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 19:12:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:12:16,333 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:12:16,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:12:17,732 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:12:17,743 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:12:17,744 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 19:12:17,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:17 BoogieIcfgContainer [2021-12-06 19:12:17,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:12:17,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:12:17,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:12:17,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:12:17,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:12:14" (1/3) ... [2021-12-06 19:12:17,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36264c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:17, skipping insertion in model container [2021-12-06 19:12:17,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:15" (2/3) ... [2021-12-06 19:12:17,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36264c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:17, skipping insertion in model container [2021-12-06 19:12:17,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:17" (3/3) ... [2021-12-06 19:12:17,752 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-12-06 19:12:17,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:12:17,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:12:17,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:12:17,798 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 [2021-12-06 19:12:17,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:12:17,820 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) [2021-12-06 19:12:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 19:12:17,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:17,825 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] [2021-12-06 19:12:17,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1689417019, now seen corresponding path program 1 times [2021-12-06 19:12:17,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:17,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064154533] [2021-12-06 19:12:17,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:17,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:12:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:18,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:18,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064154533] [2021-12-06 19:12:18,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064154533] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:18,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:18,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:12:18,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349618234] [2021-12-06 19:12:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:18,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:12:18,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:18,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:12:18,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:12:18,219 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) [2021-12-06 19:12:19,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:19,060 INFO L93 Difference]: Finished difference Result 712 states and 1032 transitions. [2021-12-06 19:12:19,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:12:19,061 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 [2021-12-06 19:12:19,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:19,072 INFO L225 Difference]: With dead ends: 712 [2021-12-06 19:12:19,072 INFO L226 Difference]: Without dead ends: 355 [2021-12-06 19:12:19,078 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 [2021-12-06 19:12:19,080 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 86 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:19,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1090 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 19:12:19,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-12-06 19:12:19,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 345. [2021-12-06 19:12:19,130 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) [2021-12-06 19:12:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 475 transitions. [2021-12-06 19:12:19,135 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 475 transitions. Word has length 23 [2021-12-06 19:12:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:19,135 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 475 transitions. [2021-12-06 19:12:19,135 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) [2021-12-06 19:12:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 475 transitions. [2021-12-06 19:12:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 19:12:19,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:19,136 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] [2021-12-06 19:12:19,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:12:19,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:19,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2040210559, now seen corresponding path program 1 times [2021-12-06 19:12:19,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:19,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261661160] [2021-12-06 19:12:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:19,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:12:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:19,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:19,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261661160] [2021-12-06 19:12:19,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261661160] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:19,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546508373] [2021-12-06 19:12:19,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:19,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:19,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:19,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:19,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:12:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:19,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 19:12:19,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:19,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:19,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546508373] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:19,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:19,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-12-06 19:12:19,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881598639] [2021-12-06 19:12:19,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:19,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:12:19,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:19,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:12:19,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:19,574 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) [2021-12-06 19:12:20,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:20,483 INFO L93 Difference]: Finished difference Result 698 states and 961 transitions. [2021-12-06 19:12:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:12:20,484 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 [2021-12-06 19:12:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:20,487 INFO L225 Difference]: With dead ends: 698 [2021-12-06 19:12:20,487 INFO L226 Difference]: Without dead ends: 360 [2021-12-06 19:12:20,488 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 [2021-12-06 19:12:20,490 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 256 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:20,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 1592 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 19:12:20,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-12-06 19:12:20,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 351. [2021-12-06 19:12:20,517 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) [2021-12-06 19:12:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 481 transitions. [2021-12-06 19:12:20,519 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 481 transitions. Word has length 27 [2021-12-06 19:12:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:20,520 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 481 transitions. [2021-12-06 19:12:20,520 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) [2021-12-06 19:12:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 481 transitions. [2021-12-06 19:12:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:12:20,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:20,521 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] [2021-12-06 19:12:20,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:20,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:20,723 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:20,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash -792000699, now seen corresponding path program 2 times [2021-12-06 19:12:20,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:20,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827025198] [2021-12-06 19:12:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:12:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:20,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:20,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827025198] [2021-12-06 19:12:20,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827025198] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:20,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878238653] [2021-12-06 19:12:20,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:12:20,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:20,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:20,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:12:21,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:12:21,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:12:21,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:12:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:21,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:21,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878238653] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:21,709 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:21,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-12-06 19:12:21,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738208672] [2021-12-06 19:12:21,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:21,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 19:12:21,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 19:12:21,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:12:21,711 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) [2021-12-06 19:12:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:22,628 INFO L93 Difference]: Finished difference Result 710 states and 976 transitions. [2021-12-06 19:12:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 19:12:22,629 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 [2021-12-06 19:12:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:22,632 INFO L225 Difference]: With dead ends: 710 [2021-12-06 19:12:22,632 INFO L226 Difference]: Without dead ends: 372 [2021-12-06 19:12:22,633 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 [2021-12-06 19:12:22,634 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 927 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:22,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 1226 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 19:12:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-12-06 19:12:22,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 363. [2021-12-06 19:12:22,650 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) [2021-12-06 19:12:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 493 transitions. [2021-12-06 19:12:22,653 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 493 transitions. Word has length 33 [2021-12-06 19:12:22,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:22,653 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 493 transitions. [2021-12-06 19:12:22,653 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) [2021-12-06 19:12:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 493 transitions. [2021-12-06 19:12:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 19:12:22,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:22,655 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] [2021-12-06 19:12:22,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:12:22,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:22,857 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:22,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash 551495505, now seen corresponding path program 3 times [2021-12-06 19:12:22,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:22,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061317265] [2021-12-06 19:12:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:23,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:23,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:23,366 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:12:23,367 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location outbErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:12:23,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:12:23,370 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2021-12-06 19:12:23,372 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:12:23,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:12:23 BoogieIcfgContainer [2021-12-06 19:12:23,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:12:23,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:12:23,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:12:23,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:12:23,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:17" (3/4) ... [2021-12-06 19:12:23,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:12:23,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:12:23,486 INFO L158 Benchmark]: Toolchain (without parser) took 8810.15ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 66.2MB in the beginning and 103.3MB in the end (delta: -37.1MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,487 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 55.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:12:23,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1180.81ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 65.9MB in the beginning and 77.2MB in the end (delta: -11.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.15ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 68.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,487 INFO L158 Benchmark]: Boogie Preprocessor took 72.72ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 60.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,488 INFO L158 Benchmark]: RCFGBuilder took 1697.86ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 102.4MB in the end (delta: -41.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,488 INFO L158 Benchmark]: TraceAbstraction took 5734.65ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.3MB in the beginning and 103.3MB in the end (delta: -1.9MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2021-12-06 19:12:23,489 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 197.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:12:23,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 55.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1180.81ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 65.9MB in the beginning and 77.2MB in the end (delta: -11.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.15ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 68.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.72ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 60.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1697.86ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 102.4MB in the end (delta: -41.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5734.65ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.3MB in the beginning and 103.3MB in the end (delta: -1.9MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 197.1MB. Free memory is still 103.3MB. 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 [={0:0}, ={0:0}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2728] RET init_kernel() [L2730] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4480] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 357 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1363 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1269 mSDsluCounter, 3908 SdHoareTripleChecker+Invalid, 2.3s 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, 0.0s 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1721 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 [2021-12-06 19:12:23,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:12:25,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:12:25,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:12:25,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:12:25,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:12:25,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:12:25,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:12:25,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:12:25,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:12:25,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:12:25,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:12:25,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:12:25,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:12:25,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:12:25,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:12:25,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:12:25,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:12:25,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:12:25,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:12:25,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:12:25,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:12:25,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:12:25,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:12:25,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:12:25,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:12:25,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:12:25,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:12:25,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:12:25,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:12:25,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:12:25,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:12:25,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:12:25,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:12:25,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:12:25,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:12:25,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:12:25,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:12:25,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:12:25,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:12:25,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:12:25,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:12:25,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 19:12:25,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:12:25,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:12:25,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:12:25,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:12:25,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:12:25,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:12:25,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:12:25,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:12:25,149 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:12:25,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 19:12:25,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:12:25,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:12:25,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:25,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 19:12:25,152 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:12:25,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:12:25,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:12:25,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:12:25,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 19:12:25,153 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-12-06 19:12:25,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:12:25,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:12:25,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:12:25,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:12:25,395 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:12:25,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-12-06 19:12:25,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/1904052d3/b57ae5e6ffda4250a853ece30ff192e7/FLAG2d16d9149 [2021-12-06 19:12:25,967 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:12:25,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-12-06 19:12:25,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/1904052d3/b57ae5e6ffda4250a853ece30ff192e7/FLAG2d16d9149 [2021-12-06 19:12:26,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/data/1904052d3/b57ae5e6ffda4250a853ece30ff192e7 [2021-12-06 19:12:26,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:12:26,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:12:26,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:26,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:12:26,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:12:26,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:26" (1/1) ... [2021-12-06 19:12:26,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1474e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:26, skipping insertion in model container [2021-12-06 19:12:26,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:26" (1/1) ... [2021-12-06 19:12:26,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:12:26,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:12:26,623 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-12-06 19:12:27,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:27,500 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 19:12:27,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:12:27,539 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-12-06 19:12:27,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:27,648 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:12:27,656 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_266997f8-fb04-4d1b-8eff-d6f6279a59c0/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-12-06 19:12:27,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:27,892 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:12:27,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27 WrapperNode [2021-12-06 19:12:27,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:27,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:27,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:12:27,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:12:27,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:27,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,005 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 981 [2021-12-06 19:12:28,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:28,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:12:28,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:12:28,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:12:28,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:12:28,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:12:28,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:12:28,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:12:28,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (1/1) ... [2021-12-06 19:12:28,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:12:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-06 19:12:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-06 19:12:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 19:12:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 19:12:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 19:12:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-06 19:12:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 19:12:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 19:12:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:12:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:12:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 19:12:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-06 19:12:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-06 19:12:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 19:12:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-06 19:12:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:12:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:12:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-06 19:12:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-06 19:12:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:12:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-06 19:12:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 19:12:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 19:12:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-06 19:12:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:12:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 19:12:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-06 19:12:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:12:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-06 19:12:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-06 19:12:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-06 19:12:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-06 19:12:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-06 19:12:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-06 19:12:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-06 19:12:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-06 19:12:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-06 19:12:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-06 19:12:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 19:12:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-06 19:12:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-06 19:12:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-06 19:12:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:12:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:12:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 19:12:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 19:12:28,375 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:12:28,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:12:32,195 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:12:32,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:12:32,206 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 19:12:32,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:32 BoogieIcfgContainer [2021-12-06 19:12:32,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:12:32,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:12:32,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:12:32,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:12:32,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:12:26" (1/3) ... [2021-12-06 19:12:32,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a79a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:32, skipping insertion in model container [2021-12-06 19:12:32,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:27" (2/3) ... [2021-12-06 19:12:32,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a79a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:32, skipping insertion in model container [2021-12-06 19:12:32,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:32" (3/3) ... [2021-12-06 19:12:32,217 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-12-06 19:12:32,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:12:32,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:12:32,258 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:12:32,263 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 [2021-12-06 19:12:32,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:12:32,282 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) [2021-12-06 19:12:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 19:12:32,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:32,286 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] [2021-12-06 19:12:32,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1780362613, now seen corresponding path program 1 times [2021-12-06 19:12:32,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:12:32,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18699040] [2021-12-06 19:12:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:12:32,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:12:32,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:12:32,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 19:12:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 19:12:32,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:32,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:12:32,739 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:12:32,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18699040] [2021-12-06 19:12:32,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18699040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:32,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:32,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:12:32,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216925667] [2021-12-06 19:12:32,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:32,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:12:32,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:12:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:12:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:12:32,767 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 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:32,828 INFO L93 Difference]: Finished difference Result 700 states and 1014 transitions. [2021-12-06 19:12:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:12:32,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-12-06 19:12:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:32,841 INFO L225 Difference]: With dead ends: 700 [2021-12-06 19:12:32,841 INFO L226 Difference]: Without dead ends: 343 [2021-12-06 19:12:32,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:12:32,851 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 [2021-12-06 19:12:32,852 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] [2021-12-06 19:12:32,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-12-06 19:12:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2021-12-06 19:12:32,901 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) [2021-12-06 19:12:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 473 transitions. [2021-12-06 19:12:32,909 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 473 transitions. Word has length 23 [2021-12-06 19:12:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:32,910 INFO L470 AbstractCegarLoop]: Abstraction has 343 states and 473 transitions. [2021-12-06 19:12:32,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 473 transitions. [2021-12-06 19:12:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 19:12:32,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:32,911 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] [2021-12-06 19:12:32,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:33,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:12:33,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:33,116 INFO L85 PathProgramCache]: Analyzing trace with hash 21226903, now seen corresponding path program 1 times [2021-12-06 19:12:33,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:12:33,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595241751] [2021-12-06 19:12:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:33,120 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:12:33,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:12:33,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:12:33,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 19:12:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:33,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:12:33,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:33,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:12:33,619 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:12:33,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595241751] [2021-12-06 19:12:33,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595241751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:33,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:33,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:12:33,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364539854] [2021-12-06 19:12:33,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:33,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:12:33,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:12:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:12:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:33,623 INFO L87 Difference]: Start difference. First operand 343 states and 473 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:33,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:33,717 INFO L93 Difference]: Finished difference Result 684 states and 944 transitions. [2021-12-06 19:12:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:12:33,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-12-06 19:12:33,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:33,724 INFO L225 Difference]: With dead ends: 684 [2021-12-06 19:12:33,724 INFO L226 Difference]: Without dead ends: 347 [2021-12-06 19:12:33,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:33,729 INFO L933 BasicCegarLoop]: 469 mSDtfsCounter, 2 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:33,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 933 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:12:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-12-06 19:12:33,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 345. [2021-12-06 19:12:33,759 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) [2021-12-06 19:12:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 475 transitions. [2021-12-06 19:12:33,764 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 475 transitions. Word has length 23 [2021-12-06 19:12:33,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:33,765 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 475 transitions. [2021-12-06 19:12:33,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 475 transitions. [2021-12-06 19:12:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 19:12:33,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:33,766 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] [2021-12-06 19:12:33,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 19:12:33,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:12:33,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:33,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1291780389, now seen corresponding path program 1 times [2021-12-06 19:12:33,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:12:33,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374603308] [2021-12-06 19:12:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:33,969 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:12:33,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:12:33,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:12:33,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 19:12:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:34,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 19:12:34,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:34,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:34,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:12:34,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374603308] [2021-12-06 19:12:34,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374603308] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:34,383 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:12:34,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 19:12:34,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603001476] [2021-12-06 19:12:34,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:34,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:12:34,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:12:34,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:12:34,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:12:34,385 INFO L87 Difference]: Start difference. First operand 345 states and 475 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-12-06 19:12:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:34,570 INFO L93 Difference]: Finished difference Result 689 states and 950 transitions. [2021-12-06 19:12:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:34,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 27 [2021-12-06 19:12:34,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:34,574 INFO L225 Difference]: With dead ends: 689 [2021-12-06 19:12:34,574 INFO L226 Difference]: Without dead ends: 351 [2021-12-06 19:12:34,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:12:34,577 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 502 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:34,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 1174 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-12-06 19:12:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-12-06 19:12:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 248 states have (on average 1.3266129032258065) internal successors, (329), 254 states have internal predecessors, (329), 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) [2021-12-06 19:12:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 480 transitions. [2021-12-06 19:12:34,601 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 480 transitions. Word has length 27 [2021-12-06 19:12:34,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:34,602 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 480 transitions. [2021-12-06 19:12:34,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-12-06 19:12:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 480 transitions. [2021-12-06 19:12:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:12:34,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:34,603 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] [2021-12-06 19:12:34,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 19:12:34,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:12:34,805 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:34,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:34,806 INFO L85 PathProgramCache]: Analyzing trace with hash -986308447, now seen corresponding path program 2 times [2021-12-06 19:12:34,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:12:34,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358742075] [2021-12-06 19:12:34,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:12:34,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:12:34,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:12:34,812 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:12:34,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 19:12:35,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:12:35,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:12:35,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:12:35,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:35,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:35,531 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:12:35,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358742075] [2021-12-06 19:12:35,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358742075] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:35,532 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:12:35,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-12-06 19:12:35,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885642705] [2021-12-06 19:12:35,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:35,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 19:12:35,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:12:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 19:12:35,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:12:35,533 INFO L87 Difference]: Start difference. First operand 351 states and 480 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-06 19:12:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:35,997 INFO L93 Difference]: Finished difference Result 701 states and 963 transitions. [2021-12-06 19:12:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:12:35,998 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 33 [2021-12-06 19:12:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:36,001 INFO L225 Difference]: With dead ends: 701 [2021-12-06 19:12:36,001 INFO L226 Difference]: Without dead ends: 363 [2021-12-06 19:12:36,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-12-06 19:12:36,003 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 1007 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:36,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1036 Valid, 2750 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:12:36,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-12-06 19:12:36,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-12-06 19:12:36,016 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) [2021-12-06 19:12:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 492 transitions. [2021-12-06 19:12:36,019 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 492 transitions. Word has length 33 [2021-12-06 19:12:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:36,019 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 492 transitions. [2021-12-06 19:12:36,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-06 19:12:36,019 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 492 transitions. [2021-12-06 19:12:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 19:12:36,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:36,021 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] [2021-12-06 19:12:36,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:36,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:12:36,223 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash -79495507, now seen corresponding path program 3 times [2021-12-06 19:12:36,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:12:36,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956918254] [2021-12-06 19:12:36,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:12:36,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:12:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:12:36,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 19:12:37,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 19:12:37,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-06 19:12:37,459 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:37,829 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 19:12:37,829 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:12:37,830 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location outbErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:12:37,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 19:12:38,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:12:38,044 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-12-06 19:12:38,055 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:12:38,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:12:38 BoogieIcfgContainer [2021-12-06 19:12:38,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:12:38,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:12:38,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:12:38,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:12:38,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:32" (3/4) ... [2021-12-06 19:12:38,193 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:12:38,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:12:38,194 INFO L158 Benchmark]: Toolchain (without parser) took 11776.03ms. Allocated memory was 56.6MB in the beginning and 232.8MB in the end (delta: 176.2MB). Free memory was 30.3MB in the beginning and 114.0MB in the end (delta: -83.8MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,194 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:12:38,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1473.87ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 30.1MB in the beginning and 46.2MB in the end (delta: -16.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.82ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 37.4MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,195 INFO L158 Benchmark]: Boogie Preprocessor took 75.73ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 50.2MB in the end (delta: -12.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,195 INFO L158 Benchmark]: RCFGBuilder took 4126.55ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 50.2MB in the beginning and 49.6MB in the end (delta: 574.6kB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,195 INFO L158 Benchmark]: TraceAbstraction took 5978.78ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 49.6MB in the beginning and 114.0MB in the end (delta: -64.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-06 19:12:38,195 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 232.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:12:38,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1473.87ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 30.1MB in the beginning and 46.2MB in the end (delta: -16.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.82ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 37.4MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.73ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 50.2MB in the end (delta: -12.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4126.55ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 50.2MB in the beginning and 49.6MB in the end (delta: 574.6kB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5978.78ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 49.6MB in the beginning and 114.0MB in the end (delta: -64.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 232.8MB. Free memory is still 114.0MB. 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 [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4480] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 357 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1569 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1511 mSDsluCounter, 5343 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3452 mSDsCounter, 237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 237 mSolverCounterUnsat, 1891 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 19:12:38,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266997f8-fb04-4d1b-8eff-d6f6279a59c0/bin/uautomizer-DrprNOufMa/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