./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 8393723b 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:52:12,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:52:12,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:52:12,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:52:12,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:52:12,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:52:12,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:52:12,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:52:12,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:52:12,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:52:12,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:52:12,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:52:12,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:52:12,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:52:12,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:52:12,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:52:12,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:52:12,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:52:12,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:52:12,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:52:12,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:52:12,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:52:12,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:52:12,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:52:12,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:52:12,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:52:12,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:52:12,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:52:12,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:52:12,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:52:12,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:52:12,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:52:12,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:52:12,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:52:12,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:52:12,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:52:12,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:52:12,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:52:12,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:52:12,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:52:12,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:52:12,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:52:12,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:52:12,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:52:12,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:52:12,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:52:12,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:52:12,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:52:12,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:52:12,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:52:12,448 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:52:12,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:52:12,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:52:12,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:52:12,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:52:12,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:52:12,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:52:12,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:52:12,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:52:12,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:52:12,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:52:12,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:52:12,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:52:12,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:52:12,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:52:12,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:52:12,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:12,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:52:12,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:52:12,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:52:12,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:52:12,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:52:12,455 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:52:12,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:52:12,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:52:12,456 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-18 19:52:12,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:52:12,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:52:12,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:52:12,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:52:12,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:52:12,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-18 19:52:12,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/fc086b3fa/2a335a2d55fe4b538f04ffcf63cd4ab5/FLAGe8bf555ba [2022-11-18 19:52:13,595 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:52:13,595 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-18 19:52:13,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/fc086b3fa/2a335a2d55fe4b538f04ffcf63cd4ab5/FLAGe8bf555ba [2022-11-18 19:52:13,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/fc086b3fa/2a335a2d55fe4b538f04ffcf63cd4ab5 [2022-11-18 19:52:13,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:52:13,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:52:13,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:13,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:52:13,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:52:13,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:13" (1/1) ... [2022-11-18 19:52:13,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708cd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:13, skipping insertion in model container [2022-11-18 19:52:13,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:13" (1/1) ... [2022-11-18 19:52:13,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:52:13,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:14,088 WARN L234 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-18 19:52:15,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:15,299 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:52:15,314 WARN L234 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-18 19:52:15,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:15,689 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:52:15,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15 WrapperNode [2022-11-18 19:52:15,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:15,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:15,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:52:15,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:52:15,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,822 INFO L138 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1023 [2022-11-18 19:52:15,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:15,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:52:15,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:52:15,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:52:15,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:52:15,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:52:15,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:52:15,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:52:15,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (1/1) ... [2022-11-18 19:52:15,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:16,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:16,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:16,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:52:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-18 19:52:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-18 19:52:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:52:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-18 19:52:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:52:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:52:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-18 19:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-18 19:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-18 19:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-18 19:52:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-18 19:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-18 19:52:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-18 19:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-18 19:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-18 19:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 19:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 19:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-18 19:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-18 19:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:52:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-18 19:52:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-18 19:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 19:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 19:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 19:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 19:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 19:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 19:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 19:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 19:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:52:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-18 19:52:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-18 19:52:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 19:52:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 19:52:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 19:52:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 19:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 19:52:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 19:52:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-18 19:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-18 19:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-18 19:52:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-18 19:52:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:52:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-18 19:52:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-18 19:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-18 19:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-18 19:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-18 19:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-18 19:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:52:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:52:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:52:16,514 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:52:16,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:52:18,590 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:18,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:18,600 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:52:18,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:18 BoogieIcfgContainer [2022-11-18 19:52:18,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:18,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:18,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:18,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:18,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:52:13" (1/3) ... [2022-11-18 19:52:18,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5afeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:18, skipping insertion in model container [2022-11-18 19:52:18,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:15" (2/3) ... [2022-11-18 19:52:18,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5afeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:18, skipping insertion in model container [2022-11-18 19:52:18,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:18" (3/3) ... [2022-11-18 19:52:18,612 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-18 19:52:18,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:18,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:52:18,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:18,696 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;@d4494b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:18,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:52:18,702 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) [2022-11-18 19:52:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:52:18,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:18,710 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] [2022-11-18 19:52:18,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:18,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 31609833, now seen corresponding path program 1 times [2022-11-18 19:52:18,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:18,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434816917] [2022-11-18 19:52:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:18,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:19,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:19,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434816917] [2022-11-18 19:52:19,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434816917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:19,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:19,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:52:19,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183288278] [2022-11-18 19:52:19,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:19,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:52:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:19,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:52:19,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:52:19,429 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) [2022-11-18 19:52:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:20,672 INFO L93 Difference]: Finished difference Result 718 states and 1045 transitions. [2022-11-18 19:52:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:52:20,676 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 [2022-11-18 19:52:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:20,701 INFO L225 Difference]: With dead ends: 718 [2022-11-18 19:52:20,702 INFO L226 Difference]: Without dead ends: 358 [2022-11-18 19:52:20,707 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 [2022-11-18 19:52:20,710 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 95 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-11-18 19:52:20,712 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] [2022-11-18 19:52:20,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-18 19:52:20,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 348. [2022-11-18 19:52:20,780 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) [2022-11-18 19:52:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2022-11-18 19:52:20,785 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2022-11-18 19:52:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:20,786 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2022-11-18 19:52:20,786 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) [2022-11-18 19:52:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2022-11-18 19:52:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 19:52:20,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:20,788 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] [2022-11-18 19:52:20,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:52:20,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:20,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash 686477797, now seen corresponding path program 1 times [2022-11-18 19:52:20,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:20,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403586352] [2022-11-18 19:52:20,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:20,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:52:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:21,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:21,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403586352] [2022-11-18 19:52:21,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403586352] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:21,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299393174] [2022-11-18 19:52:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:21,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:21,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:21,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:52:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:52:21,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:21,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:21,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299393174] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:21,792 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:21,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-18 19:52:21,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231261554] [2022-11-18 19:52:21,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:21,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:52:21,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:21,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:52:21,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:52:21,795 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) [2022-11-18 19:52:23,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:23,081 INFO L93 Difference]: Finished difference Result 704 states and 969 transitions. [2022-11-18 19:52:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:52:23,082 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 [2022-11-18 19:52:23,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:23,092 INFO L225 Difference]: With dead ends: 704 [2022-11-18 19:52:23,094 INFO L226 Difference]: Without dead ends: 363 [2022-11-18 19:52:23,095 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 [2022-11-18 19:52:23,100 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 435 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:23,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1116 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:52:23,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-11-18 19:52:23,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 354. [2022-11-18 19:52:23,149 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) [2022-11-18 19:52:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 485 transitions. [2022-11-18 19:52:23,157 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 485 transitions. Word has length 28 [2022-11-18 19:52:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:23,158 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 485 transitions. [2022-11-18 19:52:23,158 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) [2022-11-18 19:52:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 485 transitions. [2022-11-18 19:52:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 19:52:23,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:23,160 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] [2022-11-18 19:52:23,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:23,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-18 19:52:23,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:23,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1877244671, now seen corresponding path program 2 times [2022-11-18 19:52:23,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:23,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176083555] [2022-11-18 19:52:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:52:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:23,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:23,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176083555] [2022-11-18 19:52:23,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176083555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844034918] [2022-11-18 19:52:23,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:52:23,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:23,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:23,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:23,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:52:24,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:52:24,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:52:24,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:52:24,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:24,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:24,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844034918] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:24,969 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:24,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-18 19:52:24,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770520266] [2022-11-18 19:52:24,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:24,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:52:24,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:24,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:52:24,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:52:24,976 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) [2022-11-18 19:52:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:26,274 INFO L93 Difference]: Finished difference Result 716 states and 984 transitions. [2022-11-18 19:52:26,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:52:26,274 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 [2022-11-18 19:52:26,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:26,277 INFO L225 Difference]: With dead ends: 716 [2022-11-18 19:52:26,277 INFO L226 Difference]: Without dead ends: 375 [2022-11-18 19:52:26,279 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 [2022-11-18 19:52:26,280 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 438 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:26,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1634 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:52:26,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-18 19:52:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2022-11-18 19:52:26,318 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) [2022-11-18 19:52:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 497 transitions. [2022-11-18 19:52:26,320 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 497 transitions. Word has length 34 [2022-11-18 19:52:26,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:26,321 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 497 transitions. [2022-11-18 19:52:26,321 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) [2022-11-18 19:52:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 497 transitions. [2022-11-18 19:52:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 19:52:26,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:26,322 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] [2022-11-18 19:52:26,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:26,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:26,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:26,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2035270989, now seen corresponding path program 3 times [2022-11-18 19:52:26,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:26,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21211365] [2022-11-18 19:52:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:26,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:26,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:26,999 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:52:27,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:52:27,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:52:27,007 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-18 19:52:27,011 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:52:27,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:52:27 BoogieIcfgContainer [2022-11-18 19:52:27,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:52:27,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:52:27,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:52:27,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:52:27,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:18" (3/4) ... [2022-11-18 19:52:27,154 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:52:27,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:52:27,155 INFO L158 Benchmark]: Toolchain (without parser) took 13394.66ms. Allocated memory was 127.9MB in the beginning and 291.5MB in the end (delta: 163.6MB). Free memory was 89.7MB in the beginning and 203.2MB in the end (delta: -113.5MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,156 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:27,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1926.01ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 66.2MB in the end (delta: 23.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.20ms. Allocated memory is still 127.9MB. Free memory was 66.2MB in the beginning and 56.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,157 INFO L158 Benchmark]: Boogie Preprocessor took 150.36ms. Allocated memory is still 127.9MB. Free memory was 56.7MB in the beginning and 85.3MB in the end (delta: -28.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,162 INFO L158 Benchmark]: RCFGBuilder took 2628.94ms. Allocated memory was 127.9MB in the beginning and 213.9MB in the end (delta: 86.0MB). Free memory was 85.3MB in the beginning and 121.9MB in the end (delta: -36.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,163 INFO L158 Benchmark]: TraceAbstraction took 8544.37ms. Allocated memory was 213.9MB in the beginning and 291.5MB in the end (delta: 77.6MB). Free memory was 121.9MB in the beginning and 203.2MB in the end (delta: -81.2MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:27,163 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 291.5MB. Free memory is still 203.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:27,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1926.01ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 66.2MB in the end (delta: 23.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.20ms. Allocated memory is still 127.9MB. Free memory was 66.2MB in the beginning and 56.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.36ms. Allocated memory is still 127.9MB. Free memory was 56.7MB in the beginning and 85.3MB in the end (delta: -28.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2628.94ms. Allocated memory was 127.9MB in the beginning and 213.9MB in the end (delta: 86.0MB). Free memory was 85.3MB in the beginning and 121.9MB in the end (delta: -36.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8544.37ms. Allocated memory was 213.9MB in the beginning and 291.5MB in the end (delta: 77.6MB). Free memory was 121.9MB in the beginning and 203.2MB in the end (delta: -81.2MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 291.5MB. Free memory is still 203.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 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 [={-1:8}, ={0:0}, ={0:0}, ={-1:7}, 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 [={-1:8}, ={-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}] [L2683] CALL spin_lock_init(&kernel_lock) 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}, 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}, ={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:8}, ={-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=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}, ={-1:7}, ={-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 [={-1:7}, ={-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] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) 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=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}, ={-1:7}, ={-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] 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=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}, ={-1:7}, ={-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] 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=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}, ={-1:7}, ={-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] 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=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 [={-1:7}, ={-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] 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=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 [={-1:7}, ={-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=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}, ={-1:7}, ={-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=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}, ={-1:7}, ={-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] 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=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 [={-1:8}, ={-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}] [L2689] i = 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] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 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=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}, ={-1:8}, ={-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=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}, ={-1:8}, ={-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}, 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}, ={-1:7}, ={-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, 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 [={-1:7}, ={-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}] [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}, ={-1:7}, ={-1:8}, ={-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, 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 [={-1:7}, ={-1:7}, ={-1:8}, ={-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}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 360 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 968 mSDsluCounter, 3732 SdHoareTripleChecker+Invalid, 3.1s 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: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.2s 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 [2022-11-18 19:52:27,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:52:29,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:52:29,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:52:29,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:52:29,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:52:29,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:52:29,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:52:29,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:52:29,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:52:29,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:52:29,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:52:29,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:52:29,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:52:29,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:52:29,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:52:29,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:52:29,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:52:29,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:52:29,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:52:29,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:52:29,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:52:29,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:52:29,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:52:29,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:52:29,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:52:29,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:52:29,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:52:29,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:52:29,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:52:29,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:52:29,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:52:29,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:52:29,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:52:29,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:52:29,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:52:29,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:52:29,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:52:29,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:52:29,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:52:29,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:52:29,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:52:29,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 19:52:29,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:52:29,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:52:29,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:52:29,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:52:29,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:52:29,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:52:29,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:52:29,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:52:29,808 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:52:29,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:52:29,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:52:29,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:52:29,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:52:29,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:52:29,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:52:29,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:52:29,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:52:29,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:52:29,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:52:29,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:52:29,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:52:29,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:52:29,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:52:29,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:52:29,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:52:29,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:52:29,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:29,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:52:29,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:52:29,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:52:29,816 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:52:29,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:52:29,817 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:52:29,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:52:29,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:52:29,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:52:29,818 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-18 19:52:30,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:52:30,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:52:30,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:52:30,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:52:30,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:52:30,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-18 19:52:30,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/b27c797c2/9afd642875474cd3bfa12809a2a4ad09/FLAG53e8ad92f [2022-11-18 19:52:31,039 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:52:31,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-18 19:52:31,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/b27c797c2/9afd642875474cd3bfa12809a2a4ad09/FLAG53e8ad92f [2022-11-18 19:52:31,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/data/b27c797c2/9afd642875474cd3bfa12809a2a4ad09 [2022-11-18 19:52:31,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:52:31,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:52:31,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:31,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:52:31,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:52:31,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:31" (1/1) ... [2022-11-18 19:52:31,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231f6578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:31, skipping insertion in model container [2022-11-18 19:52:31,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:31" (1/1) ... [2022-11-18 19:52:31,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:52:31,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:31,653 WARN L234 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-18 19:52:32,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:32,987 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 19:52:33,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:33,027 WARN L234 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-18 19:52:33,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:33,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:52:33,310 WARN L234 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_c3e80c53-5c08-4768-bfcc-9968bd462c3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-18 19:52:33,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:33,729 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:52:33,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33 WrapperNode [2022-11-18 19:52:33,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:33,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:33,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:52:33,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:52:33,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:33,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:33,920 INFO L138 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 980 [2022-11-18 19:52:33,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:33,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:52:33,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:52:33,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:52:33,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:33,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:33,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:33,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:52:34,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:52:34,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:52:34,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:52:34,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (1/1) ... [2022-11-18 19:52:34,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:34,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:34,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:52:34,187 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-18 19:52:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-18 19:52:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 19:52:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 19:52:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:52:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-18 19:52:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:52:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:52:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:52:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 19:52:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 19:52:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 19:52:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:52:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:52:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:52:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-18 19:52:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-18 19:52:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-18 19:52:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-18 19:52:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-18 19:52:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 19:52:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 19:52:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:52:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-18 19:52:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-18 19:52:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:52:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:52:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-18 19:52:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-18 19:52:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-18 19:52:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-18 19:52:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:52:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:52:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-18 19:52:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-18 19:52:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 19:52:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 19:52:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 19:52:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:52:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:52:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:52:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 19:52:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 19:52:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:52:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:52:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 19:52:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 19:52:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 19:52:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 19:52:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 19:52:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 19:52:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 19:52:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 19:52:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:52:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-18 19:52:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-18 19:52:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 19:52:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 19:52:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 19:52:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 19:52:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 19:52:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 19:52:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-18 19:52:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-18 19:52:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-18 19:52:34,202 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-18 19:52:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 19:52:34,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 19:52:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-18 19:52:34,203 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-18 19:52:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 19:52:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-18 19:52:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-18 19:52:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:52:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:52:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 19:52:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 19:52:34,686 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:52:34,689 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:52:39,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:39,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:39,813 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:52:39,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:39 BoogieIcfgContainer [2022-11-18 19:52:39,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:39,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:39,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:39,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:39,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:52:31" (1/3) ... [2022-11-18 19:52:39,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2ed03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:39, skipping insertion in model container [2022-11-18 19:52:39,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:33" (2/3) ... [2022-11-18 19:52:39,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2ed03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:39, skipping insertion in model container [2022-11-18 19:52:39,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:39" (3/3) ... [2022-11-18 19:52:39,824 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-18 19:52:39,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:39,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:52:39,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:39,910 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;@605b45f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:39,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:52:39,915 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) [2022-11-18 19:52:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:52:39,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:39,924 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] [2022-11-18 19:52:39,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:39,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:39,930 INFO L85 PathProgramCache]: Analyzing trace with hash -833329005, now seen corresponding path program 1 times [2022-11-18 19:52:39,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:52:39,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552504059] [2022-11-18 19:52:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:39,952 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 [2022-11-18 19:52:39,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:52:39,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:52:39,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:40,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 19:52:40,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:40,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:52:40,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:52:40,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552504059] [2022-11-18 19:52:40,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552504059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:40,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:40,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:52:40,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428671480] [2022-11-18 19:52:40,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:40,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:52:40,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:52:40,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:52:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:52:40,704 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) [2022-11-18 19:52:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:40,778 INFO L93 Difference]: Finished difference Result 706 states and 1027 transitions. [2022-11-18 19:52:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:52:40,781 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 [2022-11-18 19:52:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:40,793 INFO L225 Difference]: With dead ends: 706 [2022-11-18 19:52:40,793 INFO L226 Difference]: Without dead ends: 346 [2022-11-18 19:52:40,800 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 [2022-11-18 19:52:40,803 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 [2022-11-18 19:52:40,804 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] [2022-11-18 19:52:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-11-18 19:52:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2022-11-18 19:52:40,866 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) [2022-11-18 19:52:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2022-11-18 19:52:40,873 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 24 [2022-11-18 19:52:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:40,875 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2022-11-18 19:52:40,875 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) [2022-11-18 19:52:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2022-11-18 19:52:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:52:40,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:40,877 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] [2022-11-18 19:52:40,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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)] Ended with exit code 0 [2022-11-18 19:52:41,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:41,092 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:41,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:41,093 INFO L85 PathProgramCache]: Analyzing trace with hash -818628857, now seen corresponding path program 1 times [2022-11-18 19:52:41,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:52:41,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235599526] [2022-11-18 19:52:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:41,094 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 [2022-11-18 19:52:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:52:41,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:52:41,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:41,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:52:41,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:41,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:52:41,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:52:41,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235599526] [2022-11-18 19:52:41,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235599526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:41,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:41,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:52:41,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320769654] [2022-11-18 19:52:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:41,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:52:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:52:41,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:52:41,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:52:41,729 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) [2022-11-18 19:52:41,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:41,857 INFO L93 Difference]: Finished difference Result 690 states and 952 transitions. [2022-11-18 19:52:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:52:41,862 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 [2022-11-18 19:52:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:41,865 INFO L225 Difference]: With dead ends: 690 [2022-11-18 19:52:41,865 INFO L226 Difference]: Without dead ends: 350 [2022-11-18 19:52:41,867 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 [2022-11-18 19:52:41,868 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 2 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:41,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 941 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:52:41,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-18 19:52:41,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2022-11-18 19:52:41,899 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) [2022-11-18 19:52:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2022-11-18 19:52:41,902 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2022-11-18 19:52:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:41,903 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2022-11-18 19:52:41,903 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) [2022-11-18 19:52:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2022-11-18 19:52:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 19:52:41,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:41,904 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] [2022-11-18 19:52:41,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:42,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:42,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:42,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:42,119 INFO L85 PathProgramCache]: Analyzing trace with hash -174177661, now seen corresponding path program 1 times [2022-11-18 19:52:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:52:42,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008217309] [2022-11-18 19:52:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:42,121 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 [2022-11-18 19:52:42,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:52:42,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:52:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:42,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:52:42,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:42,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:42,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:52:42,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008217309] [2022-11-18 19:52:42,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008217309] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:42,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:52:42,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-18 19:52:42,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742957208] [2022-11-18 19:52:42,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:42,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:52:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:42,814 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) [2022-11-18 19:52:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:43,110 INFO L93 Difference]: Finished difference Result 695 states and 958 transitions. [2022-11-18 19:52:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:52:43,111 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 [2022-11-18 19:52:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:43,114 INFO L225 Difference]: With dead ends: 695 [2022-11-18 19:52:43,114 INFO L226 Difference]: Without dead ends: 354 [2022-11-18 19:52:43,115 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 [2022-11-18 19:52:43,116 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 [2022-11-18 19:52:43,117 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] [2022-11-18 19:52:43,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-18 19:52:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2022-11-18 19:52:43,138 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) [2022-11-18 19:52:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 484 transitions. [2022-11-18 19:52:43,141 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 484 transitions. Word has length 28 [2022-11-18 19:52:43,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:43,141 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 484 transitions. [2022-11-18 19:52:43,141 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) [2022-11-18 19:52:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 484 transitions. [2022-11-18 19:52:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 19:52:43,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:43,143 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] [2022-11-18 19:52:43,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:43,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:43,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:43,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:43,360 INFO L85 PathProgramCache]: Analyzing trace with hash 454711261, now seen corresponding path program 2 times [2022-11-18 19:52:43,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:52:43,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729118225] [2022-11-18 19:52:43,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:52:43,363 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 [2022-11-18 19:52:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:52:43,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:52:43,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:44,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:52:44,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:52:44,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:52:44,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:44,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:52:44,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:52:44,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729118225] [2022-11-18 19:52:44,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729118225] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:44,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:52:44,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-18 19:52:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859966475] [2022-11-18 19:52:44,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:44,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:52:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:52:44,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:52:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:52:44,388 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) [2022-11-18 19:52:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:45,157 INFO L93 Difference]: Finished difference Result 707 states and 971 transitions. [2022-11-18 19:52:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 19:52:45,157 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 [2022-11-18 19:52:45,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:45,160 INFO L225 Difference]: With dead ends: 707 [2022-11-18 19:52:45,160 INFO L226 Difference]: Without dead ends: 366 [2022-11-18 19:52:45,162 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 [2022-11-18 19:52:45,162 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 [2022-11-18 19:52:45,163 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] [2022-11-18 19:52:45,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-18 19:52:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-11-18 19:52:45,181 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) [2022-11-18 19:52:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 496 transitions. [2022-11-18 19:52:45,183 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 496 transitions. Word has length 34 [2022-11-18 19:52:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:45,184 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 496 transitions. [2022-11-18 19:52:45,184 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) [2022-11-18 19:52:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 496 transitions. [2022-11-18 19:52:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 19:52:45,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:45,185 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] [2022-11-18 19:52:45,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:45,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:45,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:45,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash 343433233, now seen corresponding path program 3 times [2022-11-18 19:52:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:52:45,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278648172] [2022-11-18 19:52:45,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 19:52:45,405 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 [2022-11-18 19:52:45,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:52:45,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:52:45,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:47,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-18 19:52:47,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-18 19:52:47,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:47,633 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 19:52:47,633 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:52:47,634 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:52:47,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:47,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:52:47,859 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-18 19:52:47,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:52:48,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:52:48 BoogieIcfgContainer [2022-11-18 19:52:48,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:52:48,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:52:48,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:52:48,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:52:48,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:39" (3/4) ... [2022-11-18 19:52:48,022 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:52:48,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:52:48,023 INFO L158 Benchmark]: Toolchain (without parser) took 16825.23ms. Allocated memory was 71.3MB in the beginning and 213.9MB in the end (delta: 142.6MB). Free memory was 48.9MB in the beginning and 118.6MB in the end (delta: -69.8MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-11-18 19:52:48,023 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:48,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2529.23ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 48.7MB in the beginning and 88.8MB in the end (delta: -40.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:48,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.05ms. Allocated memory is still 130.0MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:48,025 INFO L158 Benchmark]: Boogie Preprocessor took 175.72ms. Allocated memory is still 130.0MB. Free memory was 80.0MB in the beginning and 71.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:48,025 INFO L158 Benchmark]: RCFGBuilder took 5714.99ms. Allocated memory was 130.0MB in the beginning and 213.9MB in the end (delta: 83.9MB). Free memory was 71.5MB in the beginning and 90.1MB in the end (delta: -18.6MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-11-18 19:52:48,025 INFO L158 Benchmark]: TraceAbstraction took 8198.98ms. Allocated memory is still 213.9MB. Free memory was 90.1MB in the beginning and 118.6MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:48,026 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 213.9MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:48,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2529.23ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 48.7MB in the beginning and 88.8MB in the end (delta: -40.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.05ms. Allocated memory is still 130.0MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.72ms. Allocated memory is still 130.0MB. Free memory was 80.0MB in the beginning and 71.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5714.99ms. Allocated memory was 130.0MB in the beginning and 213.9MB in the end (delta: 83.9MB). Free memory was 71.5MB in the beginning and 90.1MB in the end (delta: -18.6MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8198.98ms. Allocated memory is still 213.9MB. Free memory was 90.1MB in the beginning and 118.6MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 213.9MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 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}, ={0:0}, ={-1:7}, ={-1:8}, 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 [={-1:8}, ={-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, 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 [={-1:8}, ={-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}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, 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}, ={-1:8}, ={-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}, 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 [={-1:8}, ={-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] 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 [={-1:8}, ={-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] 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=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}, ={-1:7}, ={-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=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}, ={-1:8}, ={-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] 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 [={-1:8}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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] 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=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 [={-1:8}, ={-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] 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=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}, ={-1:7}, ={-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=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}, ={-1:7}, ={-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=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}, ={-1:8}, ={-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}] [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}, ={-1:7}, ={-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=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 [={-1:7}, ={-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] 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}] [L2689] COND FALSE !(i < 1) 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}] [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 [={-1:8}, ={-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}, 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}, ={-1:7}, ={-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}, ={-1:7}, ={-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, 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 [={-1:7}, ={-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}] [L1471] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \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}, ={-1:7}, ={-1:8}, ={-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, 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 [={-1:8}, ={-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}] [L12] reach_error() 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}] - 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, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 517 mSDsluCounter, 5945 SdHoareTripleChecker+Invalid, 0.6s 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, 0.1s 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.9s 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 [2022-11-18 19:52:48,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e80c53-5c08-4768-bfcc-9968bd462c3a/bin/uautomizer-TMbwUNV5ro/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