./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:03:59,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:03:59,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:03:59,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:03:59,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:03:59,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:03:59,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:03:59,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:03:59,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:03:59,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:03:59,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:03:59,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:03:59,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:03:59,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:03:59,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:03:59,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:03:59,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:03:59,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:03:59,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:03:59,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:03:59,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:03:59,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:03:59,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:03:59,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:03:59,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:03:59,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:03:59,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:03:59,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:03:59,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:03:59,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:03:59,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:03:59,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:03:59,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:03:59,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:03:59,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:03:59,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:03:59,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:03:59,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:03:59,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:03:59,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:03:59,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:03:59,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:03:59,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:03:59,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:03:59,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:03:59,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:03:59,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:03:59,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:03:59,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:03:59,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:03:59,370 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:03:59,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:03:59,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:03:59,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:03:59,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:03:59,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:03:59,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:03:59,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:03:59,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:03:59,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:03:59,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:03:59,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:03:59,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:03:59,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:03:59,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:03:59,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:03:59,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:03:59,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:03:59,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:03:59,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:03:59,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:03:59,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:03:59,387 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:03:59,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:03:59,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:03:59,388 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_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-16 11:03:59,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:03:59,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:03:59,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:03:59,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:03:59,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:03:59,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-16 11:03:59,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/53b671793/593464e64fca440db376ed67d2ef7288/FLAG9333ff8d1 [2022-11-16 11:04:00,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:04:00,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-16 11:04:00,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/53b671793/593464e64fca440db376ed67d2ef7288/FLAG9333ff8d1 [2022-11-16 11:04:00,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/53b671793/593464e64fca440db376ed67d2ef7288 [2022-11-16 11:04:00,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:04:00,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:04:00,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:00,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:04:00,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:04:00,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:00" (1/1) ... [2022-11-16 11:04:00,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e690ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:00, skipping insertion in model container [2022-11-16 11:04:00,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:00" (1/1) ... [2022-11-16 11:04:00,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:04:00,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:04:01,172 WARN L229 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_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-16 11:04:02,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:02,475 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:04:02,488 WARN L229 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_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-16 11:04:02,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:02,969 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:04:02,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02 WrapperNode [2022-11-16 11:04:02,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:02,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:02,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:04:02,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:04:02,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,160 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1018 [2022-11-16 11:04:03,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:03,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:04:03,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:04:03,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:04:03,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:04:03,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:04:03,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:04:03,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:04:03,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (1/1) ... [2022-11-16 11:04:03,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:04:03,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:03,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:03,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:04:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 11:04:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 11:04:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:04:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 11:04:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:04:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:04:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:04:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:04:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:04:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:04:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 11:04:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 11:04:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 11:04:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:04:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:04:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 11:04:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 11:04:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-16 11:04:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-16 11:04:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 11:04:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 11:04:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:04:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:04:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 11:04:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 11:04:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:04:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:04:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:04:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 11:04:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 11:04:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:04:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:04:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 11:04:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 11:04:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:04:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:04:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 11:04:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 11:04:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:04:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 11:04:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 11:04:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 11:04:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 11:04:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 11:04:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 11:04:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 11:04:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 11:04:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 11:04:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 11:04:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 11:04:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 11:04:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:04:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 11:04:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 11:04:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 11:04:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 11:04:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 11:04:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 11:04:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:04:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:04:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:04:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:04:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:04:03,946 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:04:03,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:04:06,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:04:06,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:04:06,686 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:04:06,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:06 BoogieIcfgContainer [2022-11-16 11:04:06,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:04:06,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:04:06,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:04:06,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:04:06,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:04:00" (1/3) ... [2022-11-16 11:04:06,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff754c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:04:06, skipping insertion in model container [2022-11-16 11:04:06,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:02" (2/3) ... [2022-11-16 11:04:06,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff754c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:04:06, skipping insertion in model container [2022-11-16 11:04:06,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:06" (3/3) ... [2022-11-16 11:04:06,706 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-16 11:04:06,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:04:06,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:04:06,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:04:06,842 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@154afcb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:04:06,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:04:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:04:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:04:06,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:06,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:06,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2074857651, now seen corresponding path program 1 times [2022-11-16 11:04:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:06,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911829895] [2022-11-16 11:04:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:04:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:07,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:07,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911829895] [2022-11-16 11:04:07,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911829895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:07,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:07,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:04:07,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74775879] [2022-11-16 11:04:07,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:07,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:04:07,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:07,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:04:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:07,556 INFO L87 Difference]: Start difference. First operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:08,939 INFO L93 Difference]: Finished difference Result 704 states and 1002 transitions. [2022-11-16 11:04:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:04:08,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-11-16 11:04:08,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:08,957 INFO L225 Difference]: With dead ends: 704 [2022-11-16 11:04:08,958 INFO L226 Difference]: Without dead ends: 349 [2022-11-16 11:04:08,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:08,969 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 89 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:08,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 628 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 11:04:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-16 11:04:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 341. [2022-11-16 11:04:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 238 states have (on average 1.3403361344537814) internal successors, (319), 245 states have internal predecessors, (319), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 470 transitions. [2022-11-16 11:04:09,056 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 470 transitions. Word has length 26 [2022-11-16 11:04:09,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:09,057 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 470 transitions. [2022-11-16 11:04:09,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 470 transitions. [2022-11-16 11:04:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:04:09,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:09,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:09,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:04:09,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:09,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:09,061 INFO L85 PathProgramCache]: Analyzing trace with hash -978169305, now seen corresponding path program 1 times [2022-11-16 11:04:09,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:09,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126998169] [2022-11-16 11:04:09,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:09,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:04:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:09,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:09,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126998169] [2022-11-16 11:04:09,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126998169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:09,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:09,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:04:09,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106633383] [2022-11-16 11:04:09,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:09,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:04:09,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:09,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:04:09,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:04:09,387 INFO L87 Difference]: Start difference. First operand 341 states and 470 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:10,593 INFO L93 Difference]: Finished difference Result 688 states and 948 transitions. [2022-11-16 11:04:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:04:10,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-11-16 11:04:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:10,598 INFO L225 Difference]: With dead ends: 688 [2022-11-16 11:04:10,598 INFO L226 Difference]: Without dead ends: 353 [2022-11-16 11:04:10,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:04:10,601 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 91 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:10,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 949 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:04:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-16 11:04:10,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 343. [2022-11-16 11:04:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 240 states have (on average 1.3375) internal successors, (321), 247 states have internal predecessors, (321), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 472 transitions. [2022-11-16 11:04:10,646 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 472 transitions. Word has length 26 [2022-11-16 11:04:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:10,647 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 472 transitions. [2022-11-16 11:04:10,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 472 transitions. [2022-11-16 11:04:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:04:10,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:10,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:10,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:04:10,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1815805277, now seen corresponding path program 1 times [2022-11-16 11:04:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243549483] [2022-11-16 11:04:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:04:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:04:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:11,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243549483] [2022-11-16 11:04:11,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243549483] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:11,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710116024] [2022-11-16 11:04:11,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:11,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:11,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:04:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:11,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:04:11,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:11,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:11,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710116024] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:11,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:04:11,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-16 11:04:11,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061030815] [2022-11-16 11:04:11,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:11,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:04:11,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:11,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:04:11,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:04:11,577 INFO L87 Difference]: Start difference. First operand 343 states and 472 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:12,979 INFO L93 Difference]: Finished difference Result 694 states and 955 transitions. [2022-11-16 11:04:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:04:12,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2022-11-16 11:04:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:12,989 INFO L225 Difference]: With dead ends: 694 [2022-11-16 11:04:12,989 INFO L226 Difference]: Without dead ends: 358 [2022-11-16 11:04:12,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:04:12,994 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 429 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:13,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1116 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 11:04:13,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-16 11:04:13,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 349. [2022-11-16 11:04:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 246 states have (on average 1.329268292682927) internal successors, (327), 253 states have internal predecessors, (327), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 478 transitions. [2022-11-16 11:04:13,040 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 478 transitions. Word has length 30 [2022-11-16 11:04:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:13,041 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 478 transitions. [2022-11-16 11:04:13,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 478 transitions. [2022-11-16 11:04:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 11:04:13,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:13,043 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:13,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:13,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:13,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:13,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:13,252 INFO L85 PathProgramCache]: Analyzing trace with hash -952137859, now seen corresponding path program 2 times [2022-11-16 11:04:13,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:13,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538386290] [2022-11-16 11:04:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:13,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:04:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:04:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:13,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538386290] [2022-11-16 11:04:13,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538386290] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:13,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324493740] [2022-11-16 11:04:13,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:04:13,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:13,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:13,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:13,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:04:15,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:04:15,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:04:15,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:04:15,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:15,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:15,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324493740] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:15,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:04:15,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-16 11:04:15,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966809915] [2022-11-16 11:04:15,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:15,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:04:15,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:15,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:04:15,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:04:15,286 INFO L87 Difference]: Start difference. First operand 349 states and 478 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:16,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:16,845 INFO L93 Difference]: Finished difference Result 706 states and 970 transitions. [2022-11-16 11:04:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:04:16,846 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-11-16 11:04:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:16,849 INFO L225 Difference]: With dead ends: 706 [2022-11-16 11:04:16,849 INFO L226 Difference]: Without dead ends: 370 [2022-11-16 11:04:16,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:04:16,854 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 600 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:16,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1116 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 11:04:16,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-11-16 11:04:16,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2022-11-16 11:04:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 258 states have (on average 1.313953488372093) internal successors, (339), 265 states have internal predecessors, (339), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 490 transitions. [2022-11-16 11:04:16,895 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 490 transitions. Word has length 36 [2022-11-16 11:04:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:16,896 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 490 transitions. [2022-11-16 11:04:16,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 490 transitions. [2022-11-16 11:04:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:04:16,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:16,901 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:16,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 11:04:17,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:17,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:17,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:17,112 INFO L85 PathProgramCache]: Analyzing trace with hash 826117809, now seen corresponding path program 3 times [2022-11-16 11:04:17,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:17,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662040455] [2022-11-16 11:04:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:17,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:17,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:17,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:17,746 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:04:17,747 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:04:17,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:04:17,753 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-16 11:04:17,757 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:04:17,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:04:17 BoogieIcfgContainer [2022-11-16 11:04:17,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:04:17,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:04:17,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:04:17,931 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:04:17,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:06" (3/4) ... [2022-11-16 11:04:17,935 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:04:17,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:04:17,936 INFO L158 Benchmark]: Toolchain (without parser) took 17213.31ms. Allocated memory was 98.6MB in the beginning and 239.1MB in the end (delta: 140.5MB). Free memory was 74.6MB in the beginning and 56.4MB in the end (delta: 18.2MB). Peak memory consumption was 158.9MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,937 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 73.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:17,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2243.05ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 74.3MB in the beginning and 87.4MB in the end (delta: -13.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.05ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 78.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,938 INFO L158 Benchmark]: Boogie Preprocessor took 190.14ms. Allocated memory is still 132.1MB. Free memory was 78.2MB in the beginning and 70.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,939 INFO L158 Benchmark]: RCFGBuilder took 3337.62ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 70.7MB in the beginning and 78.5MB in the end (delta: -7.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,939 INFO L158 Benchmark]: TraceAbstraction took 11238.00ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 77.4MB in the beginning and 57.5MB in the end (delta: 20.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,940 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 239.1MB. Free memory was 57.5MB in the beginning and 56.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:04:17,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 73.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2243.05ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 74.3MB in the beginning and 87.4MB in the end (delta: -13.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.05ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 78.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.14ms. Allocated memory is still 132.1MB. Free memory was 78.2MB in the beginning and 70.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3337.62ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 70.7MB in the beginning and 78.5MB in the end (delta: -7.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11238.00ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 77.4MB in the beginning and 57.5MB in the end (delta: 20.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 239.1MB. Free memory was 57.5MB in the beginning and 56.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that 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: [L2641] struct ddv_timer timer_registered[1]; [L2597] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3433] struct proc_dir_entry *proc_root_driver; [L2635] short number_timer_registered = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2608] struct registered_irq registered_irq[16]; [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, }; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1488] static int action = 0; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2449] short number_fixed_genhd_used = 0; [L3922] int ddv_ioport_request_start; [L1476] char _ddv_module_license[] = "GPL"; [L1497] static unsigned long next_heartbeat = 0; [L2661] spinlock_t kernel_lock; [L1478] static int nowayout = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L3347] request_queue_t fixed_request_queue[10]; [L1492] static unsigned long zf_is_open; [L2461] struct ddv_genhd genhd_registered[10]; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L3349] int number_request_queue_used = 0; [L1496] static struct timer_list zf_timer; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1495] static spinlock_t zf_port_lock; [L3923] int ddv_ioport_request_len; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1900] short number_cdev_registered = 0; [L2448] short number_genhd_registered = 0; [L1491] static int zf_action = 0x0800; [L2460] struct gendisk fixed_gendisk[10]; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L2618] short number_tasklet_registered = 0; [L3743] struct ddv_tty_driver global_tty_driver; [L2651] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1898] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1911] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1897] struct cdev fixed_cdev[1]; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={44:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] int i; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2729] RET init_kernel() [L2731] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4482] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(port)=2, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1470] CALL inw(0x21A) [L3963] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 355 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1313 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1209 mSDsluCounter, 3809 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2226 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1281 IncrementalHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 1583 mSDtfsCounter, 1281 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 6/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:04:18,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:04:20,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:04:20,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:04:20,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:04:20,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:04:20,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:04:20,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:04:20,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:04:20,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:04:20,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:04:20,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:04:20,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:04:20,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:04:20,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:04:20,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:04:20,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:04:20,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:04:20,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:04:20,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:04:20,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:04:20,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:04:20,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:04:20,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:04:20,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:04:20,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:04:20,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:04:20,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:04:20,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:04:20,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:04:20,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:04:20,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:04:20,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:04:20,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:04:20,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:04:20,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:04:20,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:04:20,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:04:20,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:04:20,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:04:20,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:04:20,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:04:20,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:04:20,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:04:20,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:04:20,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:04:20,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:04:20,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:04:20,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:04:20,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:04:20,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:04:20,871 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:04:20,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:04:20,872 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:04:20,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:04:20,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:04:20,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:04:20,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:04:20,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:04:20,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:04:20,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:04:20,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:04:20,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:04:20,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:04:20,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:04:20,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:04:20,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:04:20,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:04:20,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:04:20,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:04:20,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:04:20,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:04:20,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:04:20,876 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:04:20,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:04:20,877 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:04:20,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:04:20,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:04:20,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:04:20,878 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_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-16 11:04:21,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:04:21,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:04:21,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:04:21,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:04:21,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:04:21,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-16 11:04:21,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/4256bb8f8/30fa6522d8444f998cdcc472d1faacf5/FLAGb97f135e5 [2022-11-16 11:04:22,403 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:04:22,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-16 11:04:22,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/4256bb8f8/30fa6522d8444f998cdcc472d1faacf5/FLAGb97f135e5 [2022-11-16 11:04:22,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/data/4256bb8f8/30fa6522d8444f998cdcc472d1faacf5 [2022-11-16 11:04:22,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:04:22,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:04:22,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:22,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:04:22,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:04:22,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:22" (1/1) ... [2022-11-16 11:04:22,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df6210d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:22, skipping insertion in model container [2022-11-16 11:04:22,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:22" (1/1) ... [2022-11-16 11:04:22,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:04:23,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:04:23,314 WARN L229 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_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-16 11:04:24,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:24,757 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 11:04:24,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:04:24,827 WARN L229 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_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-16 11:04:25,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:25,178 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:04:25,194 WARN L229 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_eb680529-6857-4241-a397-66438c360702/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-16 11:04:25,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:25,679 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:04:25,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25 WrapperNode [2022-11-16 11:04:25,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:25,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:25,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:04:25,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:04:25,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,862 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 975 [2022-11-16 11:04:25,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:25,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:04:25,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:04:25,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:04:25,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:04:25,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:04:25,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:04:25,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:04:25,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (1/1) ... [2022-11-16 11:04:25,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:04:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:04:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 11:04:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 11:04:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 11:04:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 11:04:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:04:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 11:04:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:04:26,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:04:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:04:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 11:04:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:04:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 11:04:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:04:26,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:04:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:04:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 11:04:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 11:04:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 11:04:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 11:04:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 11:04:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:04:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 11:04:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 11:04:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:04:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:04:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 11:04:26,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 11:04:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 11:04:26,126 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 11:04:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:04:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:04:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 11:04:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 11:04:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 11:04:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:04:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 11:04:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:04:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:04:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:04:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 11:04:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 11:04:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:04:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:04:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 11:04:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 11:04:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 11:04:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:04:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:04:26,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 11:04:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 11:04:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:04:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:04:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 11:04:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 11:04:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 11:04:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 11:04:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 11:04:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 11:04:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 11:04:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 11:04:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 11:04:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 11:04:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 11:04:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 11:04:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 11:04:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 11:04:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 11:04:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 11:04:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 11:04:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 11:04:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 11:04:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:04:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:04:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 11:04:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 11:04:26,598 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:04:26,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:04:32,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:04:32,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:04:32,230 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:04:32,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:32 BoogieIcfgContainer [2022-11-16 11:04:32,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:04:32,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:04:32,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:04:32,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:04:32,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:04:22" (1/3) ... [2022-11-16 11:04:32,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712b298e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:04:32, skipping insertion in model container [2022-11-16 11:04:32,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:25" (2/3) ... [2022-11-16 11:04:32,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712b298e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:04:32, skipping insertion in model container [2022-11-16 11:04:32,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:32" (3/3) ... [2022-11-16 11:04:32,243 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-16 11:04:32,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:04:32,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:04:32,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:04:32,337 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32a36e5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:04:32,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:04:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:04:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:04:32,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:32,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:32,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:32,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1001062355, now seen corresponding path program 1 times [2022-11-16 11:04:32,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:04:32,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378351340] [2022-11-16 11:04:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:32,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:32,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:04:32,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:04:32,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:04:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:04:33,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:33,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:04:33,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:04:33,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378351340] [2022-11-16 11:04:33,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378351340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:33,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:33,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:04:33,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027660383] [2022-11-16 11:04:33,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:33,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:04:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:04:33,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:04:33,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:33,335 INFO L87 Difference]: Start difference. First operand has 351 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 252 states have internal predecessors, (333), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:33,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:33,573 INFO L93 Difference]: Finished difference Result 700 states and 1000 transitions. [2022-11-16 11:04:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:04:33,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-11-16 11:04:33,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:33,590 INFO L225 Difference]: With dead ends: 700 [2022-11-16 11:04:33,590 INFO L226 Difference]: Without dead ends: 345 [2022-11-16 11:04:33,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:33,605 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 2 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:33,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 953 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:04:33,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-11-16 11:04:33,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2022-11-16 11:04:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 240 states have (on average 1.3375) internal successors, (321), 247 states have internal predecessors, (321), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 472 transitions. [2022-11-16 11:04:33,678 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 472 transitions. Word has length 26 [2022-11-16 11:04:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:33,680 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 472 transitions. [2022-11-16 11:04:33,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:04:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 472 transitions. [2022-11-16 11:04:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:04:33,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:33,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:33,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:33,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:33,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash 88278697, now seen corresponding path program 1 times [2022-11-16 11:04:33,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:04:33,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321063715] [2022-11-16 11:04:33,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:33,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:04:33,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:04:33,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:04:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:04:34,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:34,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:34,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:04:34,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321063715] [2022-11-16 11:04:34,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321063715] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:34,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:04:34,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-16 11:04:34,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325547000] [2022-11-16 11:04:34,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:34,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:04:34,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:04:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:04:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:04:34,645 INFO L87 Difference]: Start difference. First operand 343 states and 472 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:35,015 INFO L93 Difference]: Finished difference Result 685 states and 944 transitions. [2022-11-16 11:04:35,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:04:35,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2022-11-16 11:04:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:35,029 INFO L225 Difference]: With dead ends: 685 [2022-11-16 11:04:35,029 INFO L226 Difference]: Without dead ends: 349 [2022-11-16 11:04:35,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:04:35,036 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 172 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:35,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1433 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:04:35,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-16 11:04:35,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2022-11-16 11:04:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 253 states have internal predecessors, (326), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 477 transitions. [2022-11-16 11:04:35,118 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 477 transitions. Word has length 30 [2022-11-16 11:04:35,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:35,121 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 477 transitions. [2022-11-16 11:04:35,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 477 transitions. [2022-11-16 11:04:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 11:04:35,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:35,126 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:35,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:35,342 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:35,343 INFO L85 PathProgramCache]: Analyzing trace with hash 3927171, now seen corresponding path program 2 times [2022-11-16 11:04:35,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:04:35,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844969675] [2022-11-16 11:04:35,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:04:35,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:35,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:04:35,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:04:36,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:04:36,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:04:36,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:04:36,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:36,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:36,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:04:36,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844969675] [2022-11-16 11:04:36,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844969675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:36,398 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:04:36,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 11:04:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994728385] [2022-11-16 11:04:36,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:36,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:04:36,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:04:36,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:04:36,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:04:36,400 INFO L87 Difference]: Start difference. First operand 349 states and 477 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:37,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:37,243 INFO L93 Difference]: Finished difference Result 697 states and 957 transitions. [2022-11-16 11:04:37,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:04:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-11-16 11:04:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:37,248 INFO L225 Difference]: With dead ends: 697 [2022-11-16 11:04:37,248 INFO L226 Difference]: Without dead ends: 361 [2022-11-16 11:04:37,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:04:37,251 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 509 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:37,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 2461 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 11:04:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-11-16 11:04:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2022-11-16 11:04:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 258 states have (on average 1.310077519379845) internal successors, (338), 265 states have internal predecessors, (338), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-16 11:04:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 489 transitions. [2022-11-16 11:04:37,280 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 489 transitions. Word has length 36 [2022-11-16 11:04:37,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:37,280 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 489 transitions. [2022-11-16 11:04:37,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 11:04:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 489 transitions. [2022-11-16 11:04:37,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:04:37,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:37,283 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:37,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:37,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:37,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:37,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2007004599, now seen corresponding path program 3 times [2022-11-16 11:04:37,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:04:37,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533096374] [2022-11-16 11:04:37,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:04:37,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:37,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:04:37,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:04:37,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:04:39,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 11:04:39,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-16 11:04:39,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:40,003 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 11:04:40,004 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:04:40,005 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:04:40,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:40,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:04:40,235 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 11:04:40,239 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:04:40,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:04:40 BoogieIcfgContainer [2022-11-16 11:04:40,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:04:40,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:04:40,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:04:40,408 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:04:40,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:32" (3/4) ... [2022-11-16 11:04:40,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:04:40,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:04:40,414 INFO L158 Benchmark]: Toolchain (without parser) took 17481.51ms. Allocated memory was 60.8MB in the beginning and 253.8MB in the end (delta: 192.9MB). Free memory was 34.9MB in the beginning and 139.6MB in the end (delta: -104.6MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,414 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:40,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2746.74ms. Allocated memory was 60.8MB in the beginning and 123.7MB in the end (delta: 62.9MB). Free memory was 34.7MB in the beginning and 76.0MB in the end (delta: -41.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.95ms. Allocated memory is still 123.7MB. Free memory was 76.0MB in the beginning and 67.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,415 INFO L158 Benchmark]: Boogie Preprocessor took 113.63ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,416 INFO L158 Benchmark]: RCFGBuilder took 6255.22ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 59.2MB in the beginning and 86.5MB in the end (delta: -27.4MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,416 INFO L158 Benchmark]: TraceAbstraction took 8172.08ms. Allocated memory was 188.7MB in the beginning and 253.8MB in the end (delta: 65.0MB). Free memory was 85.5MB in the beginning and 139.6MB in the end (delta: -54.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-11-16 11:04:40,417 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 253.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:40,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2746.74ms. Allocated memory was 60.8MB in the beginning and 123.7MB in the end (delta: 62.9MB). Free memory was 34.7MB in the beginning and 76.0MB in the end (delta: -41.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.95ms. Allocated memory is still 123.7MB. Free memory was 76.0MB in the beginning and 67.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.63ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6255.22ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 59.2MB in the beginning and 86.5MB in the end (delta: -27.4MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8172.08ms. Allocated memory was 188.7MB in the beginning and 253.8MB in the end (delta: 65.0MB). Free memory was 85.5MB in the beginning and 139.6MB in the end (delta: -54.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 253.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1479. Possible FailurePath: [L2641] struct ddv_timer timer_registered[1]; [L2597] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3433] struct proc_dir_entry *proc_root_driver; [L2635] short number_timer_registered = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2608] struct registered_irq registered_irq[16]; [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, }; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1488] static int action = 0; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2449] short number_fixed_genhd_used = 0; [L3922] int ddv_ioport_request_start; [L1476] char _ddv_module_license[] = "GPL"; [L1497] static unsigned long next_heartbeat = 0; [L2661] spinlock_t kernel_lock; [L1478] static int nowayout = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L3347] request_queue_t fixed_request_queue[10]; [L1492] static unsigned long zf_is_open; [L2461] struct ddv_genhd genhd_registered[10]; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L3349] int number_request_queue_used = 0; [L1496] static struct timer_list zf_timer; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1495] static spinlock_t zf_port_lock; [L3923] int ddv_ioport_request_len; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1900] short number_cdev_registered = 0; [L2448] short number_genhd_registered = 0; [L1491] static int zf_action = 0x0800; [L2460] struct gendisk fixed_gendisk[10]; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L2618] short number_tasklet_registered = 0; [L3743] struct ddv_tty_driver global_tty_driver; [L2651] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1898] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1911] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1897] struct cdev fixed_cdev[1]; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] int i; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2729] RET init_kernel() [L2731] CALL (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4482] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [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={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1780] CALL zf_readw(0x02) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(port)=2, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1470] CALL inw(0x21A) [L3963] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, x={26:0}, x={26:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 355 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 741 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 683 mSDsluCounter, 4847 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3438 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 1409 mSDtfsCounter, 275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1812 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:04:40,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb680529-6857-4241-a397-66438c360702/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample