./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 21:08:22,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:22,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:22,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:22,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:22,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:22,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:22,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:22,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:22,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:22,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:22,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:22,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:22,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:22,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:22,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:22,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:22,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:22,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:22,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:22,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:22,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:22,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:22,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:23,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:23,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:23,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:23,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:23,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:23,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:23,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:23,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:23,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:23,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:23,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:23,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:23,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:23,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:23,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:23,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:23,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:23,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:08:23,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:23,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:23,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:23,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:23,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:23,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:23,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:23,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:23,051 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:23,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:23,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:08:23,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:23,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:08:23,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:23,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:23,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:23,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:23,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:08:23,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:23,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:23,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:23,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:23,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:23,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:23,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:23,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:23,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:23,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:23,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:23,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:23,059 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:23,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:23,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:23,060 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_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-02 21:08:23,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:23,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:23,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:23,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:23,377 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:23,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-02 21:08:23,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/14b0403c1/2ef1ea149a324147bb5580570e90b7ba/FLAG233513631 [2022-11-02 21:08:24,131 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:24,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-02 21:08:24,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/14b0403c1/2ef1ea149a324147bb5580570e90b7ba/FLAG233513631 [2022-11-02 21:08:24,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/14b0403c1/2ef1ea149a324147bb5580570e90b7ba [2022-11-02 21:08:24,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:24,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:24,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:24,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:24,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:24,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:24" (1/1) ... [2022-11-02 21:08:24,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cef8283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:24, skipping insertion in model container [2022-11-02 21:08:24,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:24" (1/1) ... [2022-11-02 21:08:24,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:24,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:24,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-02 21:08:25,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:25,873 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:25,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-02 21:08:26,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:26,300 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:26,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26 WrapperNode [2022-11-02 21:08:26,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:26,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:26,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:26,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:26,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,487 INFO L138 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1027 [2022-11-02 21:08:26,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:26,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:26,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:26,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:26,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:26,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:26,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:26,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:26,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (1/1) ... [2022-11-02 21:08:26,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:26,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:26,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:26,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-02 21:08:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-02 21:08:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:08:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-02 21:08:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:08:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:08:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:08:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:08:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:08:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-02 21:08:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-02 21:08:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-02 21:08:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:08:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 21:08:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 21:08:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-02 21:08:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-02 21:08:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:08:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:08:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-02 21:08:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-02 21:08:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 21:08:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 21:08:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-02 21:08:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-02 21:08:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-02 21:08:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-02 21:08:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:08:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:08:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:08:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 21:08:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 21:08:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 21:08:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 21:08:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-02 21:08:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-02 21:08:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:08:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:08:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-02 21:08:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-02 21:08:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-02 21:08:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-02 21:08:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 21:08:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 21:08:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-02 21:08:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-02 21:08:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-02 21:08:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-02 21:08:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-02 21:08:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-02 21:08:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-02 21:08:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-02 21:08:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-02 21:08:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-02 21:08:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-02 21:08:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-02 21:08:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:08:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:08:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:08:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:08:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:27,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:27,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:29,364 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:29,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:29,373 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 21:08:29,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:29 BoogieIcfgContainer [2022-11-02 21:08:29,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:29,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:29,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:29,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:29,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:24" (1/3) ... [2022-11-02 21:08:29,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6e73ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:29, skipping insertion in model container [2022-11-02 21:08:29,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:26" (2/3) ... [2022-11-02 21:08:29,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6e73ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:29, skipping insertion in model container [2022-11-02 21:08:29,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:29" (3/3) ... [2022-11-02 21:08:29,384 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-02 21:08:29,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:29,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:08:29,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:29,478 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;@65b02dff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:29,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:08:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 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) [2022-11-02 21:08:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:08:29,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:29,493 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] [2022-11-02 21:08:29,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:29,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:29,501 INFO L85 PathProgramCache]: Analyzing trace with hash -597438168, now seen corresponding path program 1 times [2022-11-02 21:08:29,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:29,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440708627] [2022-11-02 21:08:29,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:29,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:30,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:30,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440708627] [2022-11-02 21:08:30,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440708627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:30,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:30,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385835086] [2022-11-02 21:08:30,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:30,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:30,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:30,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:30,150 INFO L87 Difference]: Start difference. First operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 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) [2022-11-02 21:08:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:31,016 INFO L93 Difference]: Finished difference Result 718 states and 1043 transitions. [2022-11-02 21:08:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:31,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 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 [2022-11-02 21:08:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:31,031 INFO L225 Difference]: With dead ends: 718 [2022-11-02 21:08:31,031 INFO L226 Difference]: Without dead ends: 356 [2022-11-02 21:08:31,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:31,040 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 85 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:31,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 692 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 21:08:31,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-11-02 21:08:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2022-11-02 21:08:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 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) [2022-11-02 21:08:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 480 transitions. [2022-11-02 21:08:31,110 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 480 transitions. Word has length 24 [2022-11-02 21:08:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:31,110 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 480 transitions. [2022-11-02 21:08:31,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 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) [2022-11-02 21:08:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 480 transitions. [2022-11-02 21:08:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:08:31,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:31,112 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] [2022-11-02 21:08:31,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:08:31,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:31,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1052814430, now seen corresponding path program 1 times [2022-11-02 21:08:31,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:31,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762914602] [2022-11-02 21:08:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:31,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:31,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762914602] [2022-11-02 21:08:31,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762914602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:31,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:31,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:31,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118773966] [2022-11-02 21:08:31,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:31,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:31,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:31,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:31,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:31,383 INFO L87 Difference]: Start difference. First operand 348 states and 480 transitions. 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) [2022-11-02 21:08:32,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:32,376 INFO L93 Difference]: Finished difference Result 702 states and 968 transitions. [2022-11-02 21:08:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:08:32,376 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 [2022-11-02 21:08:32,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:32,380 INFO L225 Difference]: With dead ends: 702 [2022-11-02 21:08:32,380 INFO L226 Difference]: Without dead ends: 360 [2022-11-02 21:08:32,385 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 [2022-11-02 21:08:32,387 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 87 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:32,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 1016 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 21:08:32,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-11-02 21:08:32,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2022-11-02 21:08:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 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) [2022-11-02 21:08:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 482 transitions. [2022-11-02 21:08:32,424 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 482 transitions. Word has length 24 [2022-11-02 21:08:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:32,429 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 482 transitions. [2022-11-02 21:08:32,430 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) [2022-11-02 21:08:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2022-11-02 21:08:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 21:08:32,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:32,432 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] [2022-11-02 21:08:32,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:08:32,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:32,433 INFO L85 PathProgramCache]: Analyzing trace with hash -440898722, now seen corresponding path program 1 times [2022-11-02 21:08:32,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:32,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382254227] [2022-11-02 21:08:32,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:08:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:32,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:32,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382254227] [2022-11-02 21:08:32,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382254227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:32,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056313015] [2022-11-02 21:08:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:32,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:32,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:32,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:08:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:33,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:33,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:33,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:08:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:33,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056313015] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:08:33,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:08:33,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-02 21:08:33,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821578370] [2022-11-02 21:08:33,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:08:33,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:08:33,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:33,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:08:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:08:33,224 INFO L87 Difference]: Start difference. First operand 350 states and 482 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) [2022-11-02 21:08:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:34,311 INFO L93 Difference]: Finished difference Result 708 states and 975 transitions. [2022-11-02 21:08:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:08:34,312 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 [2022-11-02 21:08:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:34,315 INFO L225 Difference]: With dead ends: 708 [2022-11-02 21:08:34,315 INFO L226 Difference]: Without dead ends: 365 [2022-11-02 21:08:34,316 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 [2022-11-02 21:08:34,318 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 257 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:34,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1350 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 21:08:34,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-02 21:08:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 356. [2022-11-02 21:08:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 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) [2022-11-02 21:08:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 488 transitions. [2022-11-02 21:08:34,343 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 488 transitions. Word has length 28 [2022-11-02 21:08:34,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:34,343 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 488 transitions. [2022-11-02 21:08:34,344 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) [2022-11-02 21:08:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 488 transitions. [2022-11-02 21:08:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 21:08:34,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:34,345 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] [2022-11-02 21:08:34,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:34,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:34,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:34,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:34,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1521182952, now seen corresponding path program 2 times [2022-11-02 21:08:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647318326] [2022-11-02 21:08:34,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:34,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:08:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:34,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647318326] [2022-11-02 21:08:34,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647318326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:34,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70806756] [2022-11-02 21:08:34,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:08:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:34,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:34,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:08:35,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:08:35,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:08:35,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 21:08:35,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:35,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:08:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:35,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70806756] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:08:35,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:08:35,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-02 21:08:35,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177898384] [2022-11-02 21:08:35,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:08:35,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 21:08:35,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:35,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 21:08:35,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:08:35,903 INFO L87 Difference]: Start difference. First operand 356 states and 488 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) [2022-11-02 21:08:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:37,072 INFO L93 Difference]: Finished difference Result 720 states and 990 transitions. [2022-11-02 21:08:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 21:08:37,073 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 [2022-11-02 21:08:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:37,076 INFO L225 Difference]: With dead ends: 720 [2022-11-02 21:08:37,076 INFO L226 Difference]: Without dead ends: 377 [2022-11-02 21:08:37,077 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 [2022-11-02 21:08:37,079 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 434 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:37,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1726 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 21:08:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-11-02 21:08:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2022-11-02 21:08:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 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) [2022-11-02 21:08:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 500 transitions. [2022-11-02 21:08:37,108 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 500 transitions. Word has length 34 [2022-11-02 21:08:37,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:37,109 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 500 transitions. [2022-11-02 21:08:37,109 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) [2022-11-02 21:08:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 500 transitions. [2022-11-02 21:08:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 21:08:37,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:37,114 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] [2022-11-02 21:08:37,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:37,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:37,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:37,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:37,329 INFO L85 PathProgramCache]: Analyzing trace with hash -569248756, now seen corresponding path program 3 times [2022-11-02 21:08:37,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:37,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352597033] [2022-11-02 21:08:37,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:37,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:37,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:37,764 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:08:37,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:08:37,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:08:37,770 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-02 21:08:37,775 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:08:37,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:37 BoogieIcfgContainer [2022-11-02 21:08:37,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:08:37,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:08:37,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:08:37,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:08:37,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:29" (3/4) ... [2022-11-02 21:08:37,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:08:37,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:08:37,938 INFO L158 Benchmark]: Toolchain (without parser) took 13685.87ms. Allocated memory was 111.1MB in the beginning and 226.5MB in the end (delta: 115.3MB). Free memory was 66.9MB in the beginning and 111.3MB in the end (delta: -44.4MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,942 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:37,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2044.77ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 67.7MB in the end (delta: -996.2kB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.65ms. Allocated memory is still 148.9MB. Free memory was 67.7MB in the beginning and 58.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,943 INFO L158 Benchmark]: Boogie Preprocessor took 190.39ms. Allocated memory is still 148.9MB. Free memory was 58.5MB in the beginning and 114.6MB in the end (delta: -56.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,944 INFO L158 Benchmark]: RCFGBuilder took 2691.19ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 114.6MB in the beginning and 79.0MB in the end (delta: 35.6MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,949 INFO L158 Benchmark]: TraceAbstraction took 8555.44ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 111.3MB in the end (delta: -32.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-02 21:08:37,949 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 226.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:37,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2044.77ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 67.7MB in the end (delta: -996.2kB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.65ms. Allocated memory is still 148.9MB. Free memory was 67.7MB in the beginning and 58.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.39ms. Allocated memory is still 148.9MB. Free memory was 58.5MB in the beginning and 114.6MB in the end (delta: -56.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2691.19ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 114.6MB in the beginning and 79.0MB in the end (delta: 35.6MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8555.44ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 111.3MB in the end (delta: -32.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 226.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [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, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={-1:8}, ={0:0}, action=0, cdev_registered={48:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [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={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4525] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_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={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [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={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 979 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 863 mSDsluCounter, 4784 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2957 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1445 IncrementalHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 1827 mSDtfsCounter, 1445 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1813 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 6/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 21:08:38,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 21:08:40,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:40,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:40,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:40,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:40,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:40,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:40,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:40,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:40,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:40,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:40,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:40,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:40,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:40,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:40,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:40,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:40,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:40,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:40,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:40,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:40,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:40,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:40,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:40,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:40,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:40,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:40,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:40,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:40,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:40,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:40,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:40,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:40,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:40,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:40,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:40,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:40,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:40,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:40,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:40,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:40,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 21:08:40,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:40,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:40,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:40,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:40,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:40,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:40,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:40,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:40,472 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:40,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:40,472 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:08:40,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:08:40,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:40,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:40,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:40,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:40,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:08:40,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:08:40,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:08:40,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:08:40,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:40,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:40,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:40,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:40,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:40,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:40,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:40,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:40,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:40,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:40,479 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:08:40,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:08:40,480 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:40,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:40,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:40,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:08:40,482 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_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-11-02 21:08:40,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:40,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:40,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:40,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:40,923 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:40,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-02 21:08:41,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/7ddafff97/6c611f08e8724379aae847e6217a6482/FLAGe46e931eb [2022-11-02 21:08:41,748 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:41,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-11-02 21:08:41,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/7ddafff97/6c611f08e8724379aae847e6217a6482/FLAGe46e931eb [2022-11-02 21:08:41,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/data/7ddafff97/6c611f08e8724379aae847e6217a6482 [2022-11-02 21:08:41,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:41,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:41,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:41,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:41,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:41,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:41" (1/1) ... [2022-11-02 21:08:41,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5bcc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:41, skipping insertion in model container [2022-11-02 21:08:41,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:41" (1/1) ... [2022-11-02 21:08:41,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:42,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:42,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-02 21:08:43,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:43,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 21:08:43,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:43,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-02 21:08:43,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:43,924 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:43,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-11-02 21:08:44,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:44,321 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:44,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44 WrapperNode [2022-11-02 21:08:44,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:44,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:44,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:44,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:44,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,544 INFO L138 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 984 [2022-11-02 21:08:44,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:44,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:44,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:44,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:44,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:44,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:44,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:44,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:44,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (1/1) ... [2022-11-02 21:08:44,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:44,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:44,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:44,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-02 21:08:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-02 21:08:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-02 21:08:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-02 21:08:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:08:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-02 21:08:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:08:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:08:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-02 21:08:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 21:08:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-02 21:08:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:08:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:08:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:08:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-02 21:08:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-02 21:08:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-02 21:08:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 21:08:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 21:08:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-02 21:08:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-02 21:08:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-02 21:08:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-02 21:08:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:08:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:08:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-02 21:08:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-02 21:08:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-02 21:08:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-02 21:08:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-02 21:08:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-02 21:08:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 21:08:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 21:08:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 21:08:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:08:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:08:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:08:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 21:08:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 21:08:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 21:08:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 21:08:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 21:08:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-02 21:08:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-02 21:08:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 21:08:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 21:08:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 21:08:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-02 21:08:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-02 21:08:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-02 21:08:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-02 21:08:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 21:08:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 21:08:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-02 21:08:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-02 21:08:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-02 21:08:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-02 21:08:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-02 21:08:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-02 21:08:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-02 21:08:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-02 21:08:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-02 21:08:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-02 21:08:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-02 21:08:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-02 21:08:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-02 21:08:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:08:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:08:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-02 21:08:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-02 21:08:45,318 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:45,320 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:50,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:50,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:50,330 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 21:08:50,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:50 BoogieIcfgContainer [2022-11-02 21:08:50,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:50,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:50,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:50,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:50,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:41" (1/3) ... [2022-11-02 21:08:50,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d23f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:50, skipping insertion in model container [2022-11-02 21:08:50,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:44" (2/3) ... [2022-11-02 21:08:50,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d23f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:50, skipping insertion in model container [2022-11-02 21:08:50,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:50" (3/3) ... [2022-11-02 21:08:50,347 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-11-02 21:08:50,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:50,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:08:50,447 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:50,455 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;@39fb1e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:50,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:08:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 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) [2022-11-02 21:08:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:08:50,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:50,473 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] [2022-11-02 21:08:50,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:50,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1903060071, now seen corresponding path program 1 times [2022-11-02 21:08:50,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:50,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289402188] [2022-11-02 21:08:50,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:50,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:50,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:50,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:50,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:08:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:51,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:51,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:51,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289402188] [2022-11-02 21:08:51,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289402188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:51,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:51,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350776221] [2022-11-02 21:08:51,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:51,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:51,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:51,197 INFO L87 Difference]: Start difference. First operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 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 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) [2022-11-02 21:08:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:51,331 INFO L93 Difference]: Finished difference Result 714 states and 1041 transitions. [2022-11-02 21:08:51,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:51,342 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 [2022-11-02 21:08:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:51,356 INFO L225 Difference]: With dead ends: 714 [2022-11-02 21:08:51,361 INFO L226 Difference]: Without dead ends: 352 [2022-11-02 21:08:51,371 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 [2022-11-02 21:08:51,377 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 2 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 973 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 [2022-11-02 21:08:51,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 973 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:51,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-11-02 21:08:51,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 350. [2022-11-02 21:08:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 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) [2022-11-02 21:08:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 482 transitions. [2022-11-02 21:08:51,449 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 482 transitions. Word has length 24 [2022-11-02 21:08:51,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:51,451 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 482 transitions. [2022-11-02 21:08:51,451 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) [2022-11-02 21:08:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2022-11-02 21:08:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 21:08:51,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:51,453 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] [2022-11-02 21:08:51,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:51,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:51,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:51,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1301561131, now seen corresponding path program 1 times [2022-11-02 21:08:51,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:51,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762712033] [2022-11-02 21:08:51,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:51,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:51,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:51,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:08:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:52,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:52,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:08:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:52,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:52,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762712033] [2022-11-02 21:08:52,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762712033] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:08:52,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:08:52,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-02 21:08:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513567127] [2022-11-02 21:08:52,330 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:08:52,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:52,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:52,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:52,333 INFO L87 Difference]: Start difference. First operand 350 states and 482 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) [2022-11-02 21:08:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:52,630 INFO L93 Difference]: Finished difference Result 699 states and 964 transitions. [2022-11-02 21:08:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:52,631 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 [2022-11-02 21:08:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:52,637 INFO L225 Difference]: With dead ends: 699 [2022-11-02 21:08:52,637 INFO L226 Difference]: Without dead ends: 356 [2022-11-02 21:08:52,639 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 [2022-11-02 21:08:52,640 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 172 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1473 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 [2022-11-02 21:08:52,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1473 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:08:52,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-11-02 21:08:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-11-02 21:08:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 255 states have internal predecessors, (330), 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) [2022-11-02 21:08:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 487 transitions. [2022-11-02 21:08:52,669 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 487 transitions. Word has length 28 [2022-11-02 21:08:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:52,670 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 487 transitions. [2022-11-02 21:08:52,670 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) [2022-11-02 21:08:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 487 transitions. [2022-11-02 21:08:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 21:08:52,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:52,671 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] [2022-11-02 21:08:52,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:52,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:52,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:52,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:52,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1351243983, now seen corresponding path program 2 times [2022-11-02 21:08:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:52,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166731998] [2022-11-02 21:08:52,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:08:52,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:52,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:08:53,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:08:53,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:08:53,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 21:08:53,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:53,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:08:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:53,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:53,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166731998] [2022-11-02 21:08:53,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166731998] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:08:53,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:08:53,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-02 21:08:53,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669092136] [2022-11-02 21:08:53,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:08:53,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 21:08:53,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 21:08:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:08:53,865 INFO L87 Difference]: Start difference. First operand 356 states and 487 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) [2022-11-02 21:08:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:54,664 INFO L93 Difference]: Finished difference Result 711 states and 977 transitions. [2022-11-02 21:08:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 21:08:54,665 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 [2022-11-02 21:08:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:54,668 INFO L225 Difference]: With dead ends: 711 [2022-11-02 21:08:54,668 INFO L226 Difference]: Without dead ends: 368 [2022-11-02 21:08:54,669 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 [2022-11-02 21:08:54,670 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 345 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 2521 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:54,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 2521 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 21:08:54,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-11-02 21:08:54,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2022-11-02 21:08:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 261 states have (on average 1.3103448275862069) internal successors, (342), 267 states have internal predecessors, (342), 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) [2022-11-02 21:08:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 499 transitions. [2022-11-02 21:08:54,701 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 499 transitions. Word has length 34 [2022-11-02 21:08:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:54,701 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 499 transitions. [2022-11-02 21:08:54,702 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) [2022-11-02 21:08:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 499 transitions. [2022-11-02 21:08:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 21:08:54,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:54,703 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] [2022-11-02 21:08:54,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:54,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:54,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1809448515, now seen corresponding path program 3 times [2022-11-02 21:08:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:54,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301946836] [2022-11-02 21:08:54,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:08:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:54,938 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 21:08:56,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-02 21:08:56,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:08:56,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,202 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-02 21:08:57,202 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:08:57,203 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:08:57,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:57,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:57,431 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-02 21:08:57,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:08:57,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:57 BoogieIcfgContainer [2022-11-02 21:08:57,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:08:57,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:08:57,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:08:57,576 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:08:57,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:50" (3/4) ... [2022-11-02 21:08:57,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:08:57,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:08:57,581 INFO L158 Benchmark]: Toolchain (without parser) took 15663.70ms. Allocated memory was 69.2MB in the beginning and 243.3MB in the end (delta: 174.1MB). Free memory was 45.3MB in the beginning and 111.3MB in the end (delta: -66.0MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,581 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:57,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2401.00ms. Allocated memory was 69.2MB in the beginning and 123.7MB in the end (delta: 54.5MB). Free memory was 45.1MB in the beginning and 82.0MB in the end (delta: -37.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.76ms. Allocated memory is still 123.7MB. Free memory was 81.4MB in the beginning and 73.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,582 INFO L158 Benchmark]: Boogie Preprocessor took 131.28ms. Allocated memory is still 123.7MB. Free memory was 73.1MB in the beginning and 64.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,583 INFO L158 Benchmark]: RCFGBuilder took 5657.61ms. Allocated memory was 123.7MB in the beginning and 201.3MB in the end (delta: 77.6MB). Free memory was 64.1MB in the beginning and 136.1MB in the end (delta: -72.1MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,583 INFO L158 Benchmark]: TraceAbstraction took 7238.04ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 135.1MB in the beginning and 111.3MB in the end (delta: 23.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-11-02 21:08:57,583 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 243.3MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:57,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2401.00ms. Allocated memory was 69.2MB in the beginning and 123.7MB in the end (delta: 54.5MB). Free memory was 45.1MB in the beginning and 82.0MB in the end (delta: -37.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.76ms. Allocated memory is still 123.7MB. Free memory was 81.4MB in the beginning and 73.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.28ms. Allocated memory is still 123.7MB. Free memory was 73.1MB in the beginning and 64.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5657.61ms. Allocated memory was 123.7MB in the beginning and 201.3MB in the end (delta: 77.6MB). Free memory was 64.1MB in the beginning and 136.1MB in the end (delta: -72.1MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7238.04ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 135.1MB in the beginning and 111.3MB in the end (delta: 23.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 243.3MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [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, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [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={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4525] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_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={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 577 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 519 mSDsluCounter, 4967 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3528 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 1439 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1791 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 21:08:57,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc01b4-a0ba-4084-9ad3-33734bafdb8b/bin/uautomizer-Dbtcem3rbc/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