./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- 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 11:37:28,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:37:28,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:37:28,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:37:28,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:37:28,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:37:28,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:37:28,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:37:28,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:37:28,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:37:28,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:37:28,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:37:28,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:37:28,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:37:28,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:37:28,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:37:28,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:37:28,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:37:28,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:37:28,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:37:28,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:37:28,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:37:28,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:37:28,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:37:28,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:37:28,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:37:28,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:37:28,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:37:28,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:37:28,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:37:28,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:37:28,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:37:28,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:37:28,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:37:28,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:37:28,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:37:28,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:37:28,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:37:28,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:37:28,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:37:28,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:37:28,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:37:28,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:37:28,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:37:28,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:37:28,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:37:28,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:37:28,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:37:28,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:37:28,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:37:28,415 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:37:28,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:37:28,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:37:28,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:37:28,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:37:28,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:37:28,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:37:28,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:37:28,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:37:28,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:37:28,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:37:28,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:37:28,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:37:28,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:37:28,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:37:28,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:37:28,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:28,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:37:28,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:37:28,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:37:28,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:37:28,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:37:28,434 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:37:28,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:37:28,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:37:28,435 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-16 11:37:28,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:37:28,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:37:28,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:37:28,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:37:28,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:37:28,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-16 11:37:28,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/4a91ec979/1197be9745be46b792b89662fbb02efb/FLAGdf9278642 [2022-11-16 11:37:29,583 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:37:29,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-16 11:37:29,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/4a91ec979/1197be9745be46b792b89662fbb02efb/FLAGdf9278642 [2022-11-16 11:37:29,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/4a91ec979/1197be9745be46b792b89662fbb02efb [2022-11-16 11:37:29,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:37:29,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:37:29,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:29,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:37:29,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:37:29,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:29" (1/1) ... [2022-11-16 11:37:29,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708684df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:29, skipping insertion in model container [2022-11-16 11:37:29,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:29" (1/1) ... [2022-11-16 11:37:29,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:37:29,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:30,085 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-16 11:37:31,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:31,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:31,175 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-16 11:37:31,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:31,651 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:31,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31 WrapperNode [2022-11-16 11:37:31,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:31,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:31,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:31,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:31,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,802 INFO L138 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1023 [2022-11-16 11:37:31,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:31,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:37:31,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:37:31,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:37:31,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:37:31,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:37:31,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:37:31,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:37:31,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (1/1) ... [2022-11-16 11:37:31,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:31,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:31,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:31,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 11:37:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 11:37:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:37:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 11:37:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:37:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:37:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:37:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:37:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:37:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:37:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 11:37:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 11:37:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 11:37:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:37:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:37:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 11:37:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 11:37:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:37:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 11:37:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 11:37:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:37:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:37:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:37:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 11:37:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 11:37:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-16 11:37:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-16 11:37:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 11:37:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 11:37:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 11:37:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 11:37:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:37:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:37:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:37:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 11:37:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 11:37:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:37:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:37:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 11:37:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 11:37:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:37:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:37:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 11:37:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 11:37:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:37:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 11:37:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 11:37:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 11:37:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 11:37:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 11:37:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 11:37:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 11:37:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 11:37:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 11:37:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 11:37:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 11:37:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 11:37:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:37:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 11:37:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 11:37:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 11:37:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 11:37:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 11:37:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 11:37:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:37:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:37:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:37:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:37:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:37:32,455 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:32,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:34,771 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:34,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:34,793 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:37:34,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:34 BoogieIcfgContainer [2022-11-16 11:37:34,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:34,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:34,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:34,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:34,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:29" (1/3) ... [2022-11-16 11:37:34,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262217ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:34, skipping insertion in model container [2022-11-16 11:37:34,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:31" (2/3) ... [2022-11-16 11:37:34,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262217ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:34, skipping insertion in model container [2022-11-16 11:37:34,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:34" (3/3) ... [2022-11-16 11:37:34,810 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-16 11:37:34,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:34,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:37:34,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:37:34,903 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;@4303e0a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:37:34,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:37:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-11-16 11:37:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:37:34,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:34,918 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] [2022-11-16 11:37:34,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:34,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash 31609833, now seen corresponding path program 1 times [2022-11-16 11:37:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:34,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736744147] [2022-11-16 11:37:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:35,693 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 11:37:35,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:35,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736744147] [2022-11-16 11:37:35,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736744147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:35,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:35,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:37:35,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304702399] [2022-11-16 11:37:35,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:35,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:37:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:35,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:37:35,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:35,735 INFO L87 Difference]: Start difference. First operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:36,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:36,977 INFO L93 Difference]: Finished difference Result 718 states and 1045 transitions. [2022-11-16 11:37:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:37:36,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-16 11:37:36,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:36,992 INFO L225 Difference]: With dead ends: 718 [2022-11-16 11:37:36,992 INFO L226 Difference]: Without dead ends: 358 [2022-11-16 11:37:36,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:37,001 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 95 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:37,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 982 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:37:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-16 11:37:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 348. [2022-11-16 11:37:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 248 states have internal predecessors, (322), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2022-11-16 11:37:37,106 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2022-11-16 11:37:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:37,108 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2022-11-16 11:37:37,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2022-11-16 11:37:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:37:37,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:37,111 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] [2022-11-16 11:37:37,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:37:37,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:37,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash 686477797, now seen corresponding path program 1 times [2022-11-16 11:37:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:37,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479414881] [2022-11-16 11:37:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:37:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:37,479 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 11:37:37,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:37,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479414881] [2022-11-16 11:37:37,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479414881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:37,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751270796] [2022-11-16 11:37:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:37,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:37,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:37,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:37,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:37:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:37,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:37:37,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:37,998 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 11:37:37,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:37:38,037 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 11:37:38,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751270796] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:37:38,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:37:38,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-16 11:37:38,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214433741] [2022-11-16 11:37:38,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:37:38,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:37:38,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:38,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:37:38,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:38,041 INFO L87 Difference]: Start difference. First operand 348 states and 479 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:39,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:39,223 INFO L93 Difference]: Finished difference Result 704 states and 969 transitions. [2022-11-16 11:37:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:39,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-11-16 11:37:39,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:39,232 INFO L225 Difference]: With dead ends: 704 [2022-11-16 11:37:39,232 INFO L226 Difference]: Without dead ends: 363 [2022-11-16 11:37:39,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 11:37:39,235 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 435 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:39,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1116 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:37:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-11-16 11:37:39,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 354. [2022-11-16 11:37:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 247 states have (on average 1.3279352226720649) internal successors, (328), 254 states have internal predecessors, (328), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 485 transitions. [2022-11-16 11:37:39,278 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 485 transitions. Word has length 28 [2022-11-16 11:37:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:39,279 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 485 transitions. [2022-11-16 11:37:39,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 485 transitions. [2022-11-16 11:37:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:37:39,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:39,280 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] [2022-11-16 11:37:39,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:39,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:39,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:39,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1877244671, now seen corresponding path program 2 times [2022-11-16 11:37:39,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:39,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124299322] [2022-11-16 11:37:39,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:39,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:37:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:39,940 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 11:37:39,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:39,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124299322] [2022-11-16 11:37:39,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124299322] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:39,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463462596] [2022-11-16 11:37:39,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:37:39,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:39,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:39,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:39,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:37:40,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:37:40,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:37:40,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:37:40,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:41,037 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 11:37:41,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:37:41,136 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 11:37:41,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463462596] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:37:41,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:37:41,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-16 11:37:41,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441411216] [2022-11-16 11:37:41,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:37:41,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:37:41,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:41,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:37:41,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:37:41,139 INFO L87 Difference]: Start difference. First operand 354 states and 485 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:42,356 INFO L93 Difference]: Finished difference Result 716 states and 984 transitions. [2022-11-16 11:37:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:37:42,357 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-11-16 11:37:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:42,360 INFO L225 Difference]: With dead ends: 716 [2022-11-16 11:37:42,360 INFO L226 Difference]: Without dead ends: 375 [2022-11-16 11:37:42,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 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 11:37:42,363 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 438 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:42,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1634 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:37:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-16 11:37:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2022-11-16 11:37:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 259 states have (on average 1.3127413127413128) internal successors, (340), 266 states have internal predecessors, (340), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 497 transitions. [2022-11-16 11:37:42,381 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 497 transitions. Word has length 34 [2022-11-16 11:37:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:42,382 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 497 transitions. [2022-11-16 11:37:42,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 497 transitions. [2022-11-16 11:37:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 11:37:42,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:42,383 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] [2022-11-16 11:37:42,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:42,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:42,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:42,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:42,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2035270989, now seen corresponding path program 3 times [2022-11-16 11:37:42,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:42,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241752188] [2022-11-16 11:37:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:37:42,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:37:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:37:43,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:37:43,068 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:37:43,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:37:43,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:37:43,075 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 11:37:43,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:37:43,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:37:43 BoogieIcfgContainer [2022-11-16 11:37:43,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:37:43,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:37:43,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:37:43,229 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:37:43,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:34" (3/4) ... [2022-11-16 11:37:43,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:37:43,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:37:43,235 INFO L158 Benchmark]: Toolchain (without parser) took 13530.19ms. Allocated memory was 119.5MB in the beginning and 331.4MB in the end (delta: 211.8MB). Free memory was 70.5MB in the beginning and 230.7MB in the end (delta: -160.2MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,236 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:37:43,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1945.35ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 70.3MB in the beginning and 92.2MB in the end (delta: -21.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.83ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 82.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,239 INFO L158 Benchmark]: Boogie Preprocessor took 93.34ms. Allocated memory is still 172.0MB. Free memory was 82.8MB in the beginning and 74.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,242 INFO L158 Benchmark]: RCFGBuilder took 2900.17ms. Allocated memory was 172.0MB in the beginning and 268.4MB in the end (delta: 96.5MB). Free memory was 74.4MB in the beginning and 118.9MB in the end (delta: -44.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,243 INFO L158 Benchmark]: TraceAbstraction took 8428.49ms. Allocated memory was 268.4MB in the beginning and 331.4MB in the end (delta: 62.9MB). Free memory was 117.8MB in the beginning and 231.7MB in the end (delta: -113.9MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,243 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 331.4MB. Free memory was 231.7MB in the beginning and 230.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:43,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1945.35ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 70.3MB in the beginning and 92.2MB in the end (delta: -21.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.83ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 82.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.34ms. Allocated memory is still 172.0MB. Free memory was 82.8MB in the beginning and 74.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2900.17ms. Allocated memory was 172.0MB in the beginning and 268.4MB in the end (delta: 96.5MB). Free memory was 74.4MB in the beginning and 118.9MB in the end (delta: -44.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8428.49ms. Allocated memory was 268.4MB in the beginning and 331.4MB in the end (delta: 62.9MB). Free memory was 117.8MB in the beginning and 231.7MB in the end (delta: -113.9MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 331.4MB. Free memory was 231.7MB in the beginning and 230.7MB 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 1486. Possible FailurePath: [L2657] struct ddv_timer timer_registered[1]; [L2613] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3449] struct proc_dir_entry *proc_root_driver; [L2651] short number_timer_registered = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2624] struct registered_irq registered_irq[16]; [L1745-L1752] 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, }; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1490] static int action = 0; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2451] short number_fixed_genhd_used = 0; [L3938] int ddv_ioport_request_start; [L1478] char _ddv_module_license[] = "GPL"; [L1499] static unsigned long next_heartbeat = 0; [L2677] spinlock_t kernel_lock; [L1480] static int nowayout = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L3363] request_queue_t fixed_request_queue[10]; [L1494] static unsigned long zf_is_open; [L2463] struct ddv_genhd genhd_registered[10]; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L3365] int number_request_queue_used = 0; [L1498] static struct timer_list zf_timer; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1497] static spinlock_t zf_port_lock; [L3939] int ddv_ioport_request_len; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1902] short number_cdev_registered = 0; [L2450] short number_genhd_registered = 0; [L1493] static int zf_action = 0x0800; [L2462] struct gendisk fixed_gendisk[10]; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L2634] short number_tasklet_registered = 0; [L3759] struct ddv_tty_driver global_tty_driver; [L2667] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1900] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1913] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1899] struct cdev fixed_cdev[1]; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={56:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, fmt={21:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L4525] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, fmt={21:0}, fmt={21:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 360 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 968 mSDsluCounter, 3732 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2545 mSDsCounter, 314 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1403 IncrementalHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 314 mSolverCounterUnsat, 1187 mSDtfsCounter, 1403 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1895 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:37:43,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- 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 11:37:45,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:37:45,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:37:45,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:37:45,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:37:45,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:37:45,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:37:45,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:37:45,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:37:45,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:37:45,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:37:45,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:37:45,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:37:45,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:37:45,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:37:45,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:37:45,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:37:45,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:37:45,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:37:45,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:37:45,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:37:45,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:37:45,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:37:45,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:37:45,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:37:45,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:37:45,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:37:45,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:37:45,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:37:45,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:37:45,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:37:45,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:37:45,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:37:45,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:37:45,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:37:45,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:37:45,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:37:45,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:37:45,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:37:45,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:37:45,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:37:45,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:37:45,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:37:45,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:37:45,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:37:45,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:37:45,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:37:45,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:37:45,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:37:45,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:37:45,908 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:37:45,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:37:45,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:37:45,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:37:45,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:37:45,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:37:45,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:37:45,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:37:45,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:37:45,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:37:45,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:37:45,913 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:37:45,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:37:45,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:37:45,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:37:45,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:37:45,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:37:45,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:37:45,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:45,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:37:45,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:37:45,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:37:45,916 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:37:45,916 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:37:45,917 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:37:45,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:37:45,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:37:45,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:37:45,918 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-16 11:37:46,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:37:46,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:37:46,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:37:46,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:37:46,411 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:37:46,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-16 11:37:46,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/bcbbdc5a0/23a1570fc1e945218cdfea7a4e7bfc08/FLAG148e62b97 [2022-11-16 11:37:47,229 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:37:47,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-16 11:37:47,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/bcbbdc5a0/23a1570fc1e945218cdfea7a4e7bfc08/FLAG148e62b97 [2022-11-16 11:37:47,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/data/bcbbdc5a0/23a1570fc1e945218cdfea7a4e7bfc08 [2022-11-16 11:37:47,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:37:47,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:37:47,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:47,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:37:47,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:37:47,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:47" (1/1) ... [2022-11-16 11:37:47,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df7da9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:47, skipping insertion in model container [2022-11-16 11:37:47,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:47" (1/1) ... [2022-11-16 11:37:47,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:37:47,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:47,712 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-16 11:37:48,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:48,962 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 11:37:48,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:48,991 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-16 11:37:49,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:49,238 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:49,249 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_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-16 11:37:49,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:49,623 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:49,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49 WrapperNode [2022-11-16 11:37:49,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:49,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:49,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:49,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:49,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,818 INFO L138 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 980 [2022-11-16 11:37:49,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:49,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:37:49,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:37:49,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:37:49,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:49,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:50,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:37:50,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:37:50,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:37:50,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:37:50,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (1/1) ... [2022-11-16 11:37:50,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:50,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:50,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:50,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 11:37:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 11:37:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 11:37:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 11:37:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:37:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 11:37:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:37:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:37:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:37:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 11:37:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:37:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 11:37:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:37:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:37:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:37:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 11:37:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 11:37:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 11:37:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 11:37:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 11:37:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 11:37:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 11:37:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:37:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 11:37:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 11:37:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:37:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:37:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:37:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 11:37:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 11:37:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 11:37:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 11:37:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 11:37:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 11:37:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 11:37:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:37:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 11:37:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:37:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:37:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:37:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 11:37:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 11:37:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:37:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:37:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 11:37:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 11:37:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 11:37:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:37:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:37:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 11:37:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 11:37:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:37:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:37:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 11:37:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 11:37:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 11:37:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 11:37:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 11:37:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 11:37:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 11:37:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 11:37:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 11:37:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 11:37:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 11:37:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 11:37:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 11:37:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 11:37:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 11:37:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 11:37:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 11:37:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 11:37:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 11:37:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:37:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:37:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 11:37:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 11:37:50,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:50,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:55,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:55,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:55,761 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:37:55,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:55 BoogieIcfgContainer [2022-11-16 11:37:55,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:55,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:55,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:55,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:55,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:47" (1/3) ... [2022-11-16 11:37:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530d63e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:55, skipping insertion in model container [2022-11-16 11:37:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:49" (2/3) ... [2022-11-16 11:37:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530d63e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:55, skipping insertion in model container [2022-11-16 11:37:55,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:55" (3/3) ... [2022-11-16 11:37:55,781 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-16 11:37:55,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:55,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:37:55,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:37:55,896 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;@3c70c843, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:37:55,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:37:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-11-16 11:37:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:37:55,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:55,914 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] [2022-11-16 11:37:55,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:55,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:55,922 INFO L85 PathProgramCache]: Analyzing trace with hash -833329005, now seen corresponding path program 1 times [2022-11-16 11:37:55,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:37:55,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874314934] [2022-11-16 11:37:55,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:55,944 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 11:37:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:37:55,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:56,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:37:56,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:56,556 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 11:37:56,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:37:56,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:37:56,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874314934] [2022-11-16 11:37:56,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874314934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:56,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:56,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:56,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205625442] [2022-11-16 11:37:56,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:56,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:37:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:37:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:37:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:37:56,628 INFO L87 Difference]: Start difference. First operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:56,704 INFO L93 Difference]: Finished difference Result 706 states and 1027 transitions. [2022-11-16 11:37:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:37:56,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-16 11:37:56,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:56,722 INFO L225 Difference]: With dead ends: 706 [2022-11-16 11:37:56,723 INFO L226 Difference]: Without dead ends: 346 [2022-11-16 11:37:56,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:37:56,742 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:56,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-11-16 11:37:56,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2022-11-16 11:37:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 239 states have (on average 1.3389121338912133) internal successors, (320), 246 states have internal predecessors, (320), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2022-11-16 11:37:56,850 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 24 [2022-11-16 11:37:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:56,851 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2022-11-16 11:37:56,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2022-11-16 11:37:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:37:56,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:56,853 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] [2022-11-16 11:37:56,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:57,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:57,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:57,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:57,080 INFO L85 PathProgramCache]: Analyzing trace with hash -818628857, now seen corresponding path program 1 times [2022-11-16 11:37:57,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:37:57,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637837668] [2022-11-16 11:37:57,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:57,081 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 11:37:57,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:37:57,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:57,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:57,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:37:57,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:57,685 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 11:37:57,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:37:57,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:37:57,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637837668] [2022-11-16 11:37:57,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637837668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:57,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:57,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:57,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897621724] [2022-11-16 11:37:57,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:57,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:57,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:37:57,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:57,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:57,690 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:57,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:57,802 INFO L93 Difference]: Finished difference Result 690 states and 952 transitions. [2022-11-16 11:37:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:57,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-16 11:37:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:57,807 INFO L225 Difference]: With dead ends: 690 [2022-11-16 11:37:57,808 INFO L226 Difference]: Without dead ends: 350 [2022-11-16 11:37:57,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 11:37:57,810 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 2 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 941 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 11:37:57,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 941 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:37:57,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-16 11:37:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2022-11-16 11:37:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 248 states have internal predecessors, (322), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2022-11-16 11:37:57,832 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2022-11-16 11:37:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:57,833 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2022-11-16 11:37:57,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:37:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2022-11-16 11:37:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:37:57,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:57,834 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] [2022-11-16 11:37:57,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:58,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:58,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:58,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:58,050 INFO L85 PathProgramCache]: Analyzing trace with hash -174177661, now seen corresponding path program 1 times [2022-11-16 11:37:58,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:37:58,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033644326] [2022-11-16 11:37:58,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:58,052 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 11:37:58,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:37:58,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:58,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:58,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:37:58,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:58,678 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 11:37:58,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:37:58,732 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 11:37:58,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:37:58,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033644326] [2022-11-16 11:37:58,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033644326] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:37:58,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:37:58,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-16 11:37:58,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42415435] [2022-11-16 11:37:58,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:37:58,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:58,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:37:58,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:58,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:58,736 INFO L87 Difference]: Start difference. First operand 348 states and 479 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:59,051 INFO L93 Difference]: Finished difference Result 695 states and 958 transitions. [2022-11-16 11:37:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:37:59,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-11-16 11:37:59,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:59,055 INFO L225 Difference]: With dead ends: 695 [2022-11-16 11:37:59,055 INFO L226 Difference]: Without dead ends: 354 [2022-11-16 11:37:59,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 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 11:37:59,064 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 172 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:59,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1461 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:37:59,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-16 11:37:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2022-11-16 11:37:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 247 states have (on average 1.3238866396761133) internal successors, (327), 254 states have internal predecessors, (327), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:37:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 484 transitions. [2022-11-16 11:37:59,096 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 484 transitions. Word has length 28 [2022-11-16 11:37:59,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 484 transitions. [2022-11-16 11:37:59,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:37:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 484 transitions. [2022-11-16 11:37:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:37:59,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:59,099 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] [2022-11-16 11:37:59,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:59,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:59,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash 454711261, now seen corresponding path program 2 times [2022-11-16 11:37:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:37:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047422324] [2022-11-16 11:37:59,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:37:59,317 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 11:37:59,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:37:59,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:37:59,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:38:00,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:38:00,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:38:00,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:38:00,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:38:00,142 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 11:38:00,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:38:00,367 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 11:38:00,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:38:00,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047422324] [2022-11-16 11:38:00,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047422324] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:38:00,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:38:00,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 11:38:00,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965486899] [2022-11-16 11:38:00,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:38:00,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:38:00,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:38:00,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:38:00,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:38:00,370 INFO L87 Difference]: Start difference. First operand 354 states and 484 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:38:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:01,182 INFO L93 Difference]: Finished difference Result 707 states and 971 transitions. [2022-11-16 11:38:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:38:01,183 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-11-16 11:38:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:01,186 INFO L225 Difference]: With dead ends: 707 [2022-11-16 11:38:01,186 INFO L226 Difference]: Without dead ends: 366 [2022-11-16 11:38:01,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 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 11:38:01,188 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 343 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:01,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 3053 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 11:38:01,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-16 11:38:01,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-11-16 11:38:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 259 states have (on average 1.308880308880309) internal successors, (339), 266 states have internal predecessors, (339), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 11:38:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 496 transitions. [2022-11-16 11:38:01,221 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 496 transitions. Word has length 34 [2022-11-16 11:38:01,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:01,224 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 496 transitions. [2022-11-16 11:38:01,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:38:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 496 transitions. [2022-11-16 11:38:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 11:38:01,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:01,230 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] [2022-11-16 11:38:01,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:38:01,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:38:01,447 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:01,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:01,448 INFO L85 PathProgramCache]: Analyzing trace with hash 343433233, now seen corresponding path program 3 times [2022-11-16 11:38:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:38:01,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671464811] [2022-11-16 11:38:01,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:38:01,449 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 11:38:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:38:01,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:38:01,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 (6)] Waiting until timeout for monitored process [2022-11-16 11:38:03,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 11:38:03,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-16 11:38:03,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:38:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:38:03,677 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 11:38:03,678 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:38:03,679 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:38:03,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:38:03,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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 11:38:03,905 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-16 11:38:03,908 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:38:04,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:38:04 BoogieIcfgContainer [2022-11-16 11:38:04,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:38:04,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:38:04,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:38:04,103 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:38:04,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:55" (3/4) ... [2022-11-16 11:38:04,109 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:38:04,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:38:04,111 INFO L158 Benchmark]: Toolchain (without parser) took 16747.02ms. Allocated memory was 60.8MB in the beginning and 205.5MB in the end (delta: 144.7MB). Free memory was 34.4MB in the beginning and 146.4MB in the end (delta: -112.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,111 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:04,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2257.70ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 34.1MB in the beginning and 59.5MB in the end (delta: -25.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.92ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 51.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,116 INFO L158 Benchmark]: Boogie Preprocessor took 190.22ms. Allocated memory is still 107.0MB. Free memory was 51.2MB in the beginning and 70.0MB in the end (delta: -18.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,116 INFO L158 Benchmark]: RCFGBuilder took 5758.11ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 70.0MB in the beginning and 94.5MB in the end (delta: -24.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,118 INFO L158 Benchmark]: TraceAbstraction took 8329.84ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 147.5MB in the end (delta: -54.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-11-16 11:38:04,119 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 205.5MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:04,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2257.70ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 34.1MB in the beginning and 59.5MB in the end (delta: -25.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.92ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 51.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.22ms. Allocated memory is still 107.0MB. Free memory was 51.2MB in the beginning and 70.0MB in the end (delta: -18.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5758.11ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 70.0MB in the beginning and 94.5MB in the end (delta: -24.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8329.84ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 147.5MB in the end (delta: -54.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 205.5MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1481. Possible FailurePath: [L2657] struct ddv_timer timer_registered[1]; [L2613] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3449] struct proc_dir_entry *proc_root_driver; [L2651] short number_timer_registered = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2624] struct registered_irq registered_irq[16]; [L1745-L1752] 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, }; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1490] static int action = 0; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2451] short number_fixed_genhd_used = 0; [L3938] int ddv_ioport_request_start; [L1478] char _ddv_module_license[] = "GPL"; [L1499] static unsigned long next_heartbeat = 0; [L2677] spinlock_t kernel_lock; [L1480] static int nowayout = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L3363] request_queue_t fixed_request_queue[10]; [L1494] static unsigned long zf_is_open; [L2463] struct ddv_genhd genhd_registered[10]; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L3365] int number_request_queue_used = 0; [L1498] static struct timer_list zf_timer; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1497] static spinlock_t zf_port_lock; [L3939] int ddv_ioport_request_len; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1902] short number_cdev_registered = 0; [L2450] short number_genhd_registered = 0; [L1493] static int zf_action = 0x0800; [L2462] struct gendisk fixed_gendisk[10]; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L2634] short number_tasklet_registered = 0; [L3759] struct ddv_tty_driver global_tty_driver; [L2667] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1900] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1913] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1899] struct cdev fixed_cdev[1]; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={56:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, fmt={21:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L4525] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, fmt={21:0}, fmt={21:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={56:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={52:0}, fixed_request_queue={46:0}, genhd_registered={48:0}, global_tty_driver={54:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={41:0}, registered_pci_driver={40:0}, shared_workqueue={55:0}, tasklet_registered={45:0}, timer_registered={39:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={42:0}, zf_info={50:0}, zf_is_open={47:0}, zf_lock={53:0}, zf_miscdev={43:0}, zf_notifier={58:0}, zf_port_lock={51:0}, zf_timer={49:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 360 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 575 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 517 mSDsluCounter, 5945 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4038 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 1907 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2473 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:38:04,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4affeeb2-9b96-4b2b-94fc-7cd871695d8f/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