./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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 64bit --witnessprinter.graph.data.programhash 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- 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 21:08:13,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:13,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:13,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:13,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:13,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:13,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:13,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:13,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:13,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:13,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:13,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:13,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:13,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:13,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:13,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:13,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:14,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:14,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:14,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:14,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:14,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:14,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:14,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:14,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:14,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:14,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:14,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:14,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:14,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:14,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:14,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:14,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:14,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:14,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:14,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:14,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:14,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:14,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:14,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:14,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:14,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:08:14,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:14,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:14,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:14,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:14,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:14,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:14,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:14,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:14,079 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:14,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:14,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:14,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:14,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:14,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:14,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:14,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:14,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:14,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:14,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:14,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:14,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:14,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:14,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:14,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:14,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:14,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:14,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:14,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:14,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:14,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:14,087 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_beb19a14-f11d-40e0-802d-e79be5a9e159/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-02 21:08:14,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:14,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:14,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:14,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:14,451 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:14,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:14,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/760a9a4bf/569669c1fef04e69ade4e7530d7158be/FLAG33bb5759b [2022-11-02 21:08:15,327 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:15,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:15,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/760a9a4bf/569669c1fef04e69ade4e7530d7158be/FLAG33bb5759b [2022-11-02 21:08:15,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/760a9a4bf/569669c1fef04e69ade4e7530d7158be [2022-11-02 21:08:15,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:15,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:15,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:15,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:15,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:15,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:15" (1/1) ... [2022-11-02 21:08:15,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194db3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:15, skipping insertion in model container [2022-11-02 21:08:15,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:15" (1/1) ... [2022-11-02 21:08:15,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:16,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:17,437 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_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-02 21:08:17,623 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:08:17,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:17,676 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:18,029 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_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-02 21:08:18,057 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:08:18,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:18,149 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:18,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18 WrapperNode [2022-11-02 21:08:18,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:18,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:18,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:18,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:18,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,356 INFO L138 Inliner]: procedures = 259, calls = 1650, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1369 [2022-11-02 21:08:18,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:18,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:18,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:18,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:18,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:18,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:18,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:18,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:18,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (1/1) ... [2022-11-02 21:08:18,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:18,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:18,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:18,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-02 21:08:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-02 21:08:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:08:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:08:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-02 21:08:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-02 21:08:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:08:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:08:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-02 21:08:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-02 21:08:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:08:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:08:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:08:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:08:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 21:08:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 21:08:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:08:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:08:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:08:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:08:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-02 21:08:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-02 21:08:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 21:08:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 21:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 21:08:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 21:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-02 21:08:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-02 21:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:08:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-02 21:08:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-02 21:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-02 21:08:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-02 21:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:08:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:08:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 21:08:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 21:08:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-02 21:08:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-02 21:08:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:08:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:08:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-02 21:08:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-02 21:08:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:08:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:08:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:08:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:08:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 21:08:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 21:08:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:18,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:18,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:20,680 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:20,689 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:20,689 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:08:20,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:20 BoogieIcfgContainer [2022-11-02 21:08:20,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:20,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:20,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:20,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:20,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:15" (1/3) ... [2022-11-02 21:08:20,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc0f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:20, skipping insertion in model container [2022-11-02 21:08:20,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:18" (2/3) ... [2022-11-02 21:08:20,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc0f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:20, skipping insertion in model container [2022-11-02 21:08:20,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:20" (3/3) ... [2022-11-02 21:08:20,701 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:20,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:20,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:08:20,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:20,819 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;@1906afd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:20,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:08:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-02 21:08:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 21:08:20,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:20,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:20,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:20,848 INFO L85 PathProgramCache]: Analyzing trace with hash 273593741, now seen corresponding path program 1 times [2022-11-02 21:08:20,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:20,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648240927] [2022-11-02 21:08:20,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:20,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:21,419 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 21:08:21,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:21,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648240927] [2022-11-02 21:08:21,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648240927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:21,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:21,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:21,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147693306] [2022-11-02 21:08:21,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:21,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:21,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:21,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:21,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:21,470 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:21,678 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-02 21:08:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:21,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-02 21:08:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:21,701 INFO L225 Difference]: With dead ends: 736 [2022-11-02 21:08:21,705 INFO L226 Difference]: Without dead ends: 414 [2022-11-02 21:08:21,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:21,720 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:21,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 857 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-02 21:08:21,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-02 21:08:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-02 21:08:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-02 21:08:21,829 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-02 21:08:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:21,839 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-02 21:08:21,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-02 21:08:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:08:21,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:21,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:21,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:08:21,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:21,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1660204033, now seen corresponding path program 1 times [2022-11-02 21:08:21,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:21,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072067795] [2022-11-02 21:08:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:22,121 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 21:08:22,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:22,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072067795] [2022-11-02 21:08:22,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072067795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:22,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:22,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:22,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920092747] [2022-11-02 21:08:22,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:22,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:22,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:22,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:22,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:22,129 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:22,209 INFO L93 Difference]: Finished difference Result 401 states and 552 transitions. [2022-11-02 21:08:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:22,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 21:08:22,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:22,219 INFO L225 Difference]: With dead ends: 401 [2022-11-02 21:08:22,219 INFO L226 Difference]: Without dead ends: 398 [2022-11-02 21:08:22,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:22,223 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:22,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-02 21:08:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-11-02 21:08:22,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 306 states have (on average 1.4215686274509804) internal successors, (435), 315 states have internal predecessors, (435), 61 states have call successors, (61), 31 states have call predecessors, (61), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-02 21:08:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 549 transitions. [2022-11-02 21:08:22,286 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 549 transitions. Word has length 19 [2022-11-02 21:08:22,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:22,287 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 549 transitions. [2022-11-02 21:08:22,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 549 transitions. [2022-11-02 21:08:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 21:08:22,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:22,290 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] [2022-11-02 21:08:22,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:08:22,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:22,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash 73096171, now seen corresponding path program 1 times [2022-11-02 21:08:22,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:22,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776590617] [2022-11-02 21:08:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:22,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:22,520 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 21:08:22,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:22,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776590617] [2022-11-02 21:08:22,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776590617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:22,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:22,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:22,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028373656] [2022-11-02 21:08:22,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:22,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:22,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:22,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:22,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:22,527 INFO L87 Difference]: Start difference. First operand 398 states and 549 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:22,602 INFO L93 Difference]: Finished difference Result 405 states and 553 transitions. [2022-11-02 21:08:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:22,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 21:08:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:22,605 INFO L225 Difference]: With dead ends: 405 [2022-11-02 21:08:22,605 INFO L226 Difference]: Without dead ends: 401 [2022-11-02 21:08:22,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:22,607 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:22,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:22,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-02 21:08:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 399. [2022-11-02 21:08:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 308 states have (on average 1.4123376623376624) internal successors, (435), 315 states have internal predecessors, (435), 59 states have call successors, (59), 32 states have call predecessors, (59), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-02 21:08:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 547 transitions. [2022-11-02 21:08:22,639 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 547 transitions. Word has length 20 [2022-11-02 21:08:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:22,640 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 547 transitions. [2022-11-02 21:08:22,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 547 transitions. [2022-11-02 21:08:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 21:08:22,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:22,645 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] [2022-11-02 21:08:22,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:08:22,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2029167486, now seen corresponding path program 1 times [2022-11-02 21:08:22,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:22,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689693692] [2022-11-02 21:08:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:22,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:22,789 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 21:08:22,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:22,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689693692] [2022-11-02 21:08:22,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689693692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:22,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:22,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:22,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57754777] [2022-11-02 21:08:22,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:22,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:22,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:22,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:22,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:22,792 INFO L87 Difference]: Start difference. First operand 399 states and 547 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:22,856 INFO L93 Difference]: Finished difference Result 401 states and 548 transitions. [2022-11-02 21:08:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:22,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-02 21:08:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:22,864 INFO L225 Difference]: With dead ends: 401 [2022-11-02 21:08:22,864 INFO L226 Difference]: Without dead ends: 398 [2022-11-02 21:08:22,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:22,871 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:22,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-02 21:08:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-11-02 21:08:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 314 states have internal predecessors, (434), 58 states have call successors, (58), 32 states have call predecessors, (58), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-02 21:08:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 545 transitions. [2022-11-02 21:08:22,908 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 545 transitions. Word has length 21 [2022-11-02 21:08:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:22,911 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 545 transitions. [2022-11-02 21:08:22,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 545 transitions. [2022-11-02 21:08:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-02 21:08:22,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:22,913 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] [2022-11-02 21:08:22,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:08:22,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:22,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1520140750, now seen corresponding path program 1 times [2022-11-02 21:08:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:22,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749419532] [2022-11-02 21:08:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,106 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 21:08:23,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:23,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749419532] [2022-11-02 21:08:23,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749419532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:23,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:23,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:23,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322979087] [2022-11-02 21:08:23,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:23,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:23,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:23,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:23,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:23,109 INFO L87 Difference]: Start difference. First operand 398 states and 545 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:23,221 INFO L93 Difference]: Finished difference Result 604 states and 834 transitions. [2022-11-02 21:08:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:23,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-02 21:08:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:23,225 INFO L225 Difference]: With dead ends: 604 [2022-11-02 21:08:23,225 INFO L226 Difference]: Without dead ends: 600 [2022-11-02 21:08:23,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:23,226 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:23,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-11-02 21:08:23,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 598. [2022-11-02 21:08:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 471 states have (on average 1.4288747346072186) internal successors, (673), 479 states have internal predecessors, (673), 80 states have call successors, (80), 48 states have call predecessors, (80), 46 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-02 21:08:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 828 transitions. [2022-11-02 21:08:23,267 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 828 transitions. Word has length 22 [2022-11-02 21:08:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:23,268 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 828 transitions. [2022-11-02 21:08:23,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 828 transitions. [2022-11-02 21:08:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 21:08:23,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:23,269 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] [2022-11-02 21:08:23,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:08:23,270 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:23,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:23,270 INFO L85 PathProgramCache]: Analyzing trace with hash -120448763, now seen corresponding path program 1 times [2022-11-02 21:08:23,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:23,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907063888] [2022-11-02 21:08:23,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:23,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,415 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 21:08:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:23,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907063888] [2022-11-02 21:08:23,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907063888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:23,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:23,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670613667] [2022-11-02 21:08:23,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:23,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:23,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:23,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:23,418 INFO L87 Difference]: Start difference. First operand 598 states and 828 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:23,487 INFO L93 Difference]: Finished difference Result 600 states and 829 transitions. [2022-11-02 21:08:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:23,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-02 21:08:23,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:23,492 INFO L225 Difference]: With dead ends: 600 [2022-11-02 21:08:23,492 INFO L226 Difference]: Without dead ends: 575 [2022-11-02 21:08:23,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:08:23,493 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:23,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2022-11-02 21:08:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2022-11-02 21:08:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 457 states have (on average 1.4310722100656454) internal successors, (654), 463 states have internal predecessors, (654), 73 states have call successors, (73), 46 states have call predecessors, (73), 44 states have return successors, (69), 66 states have call predecessors, (69), 69 states have call successors, (69) [2022-11-02 21:08:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 796 transitions. [2022-11-02 21:08:23,533 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 796 transitions. Word has length 23 [2022-11-02 21:08:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:23,533 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 796 transitions. [2022-11-02 21:08:23,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 796 transitions. [2022-11-02 21:08:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 21:08:23,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:23,535 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:23,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:08:23,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:23,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:23,536 INFO L85 PathProgramCache]: Analyzing trace with hash 590221083, now seen corresponding path program 1 times [2022-11-02 21:08:23,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:23,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442685050] [2022-11-02 21:08:23,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:23,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 21:08:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 21:08:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:08:23,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:23,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442685050] [2022-11-02 21:08:23,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442685050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:23,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:23,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:23,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280479787] [2022-11-02 21:08:23,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:23,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:23,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:23,835 INFO L87 Difference]: Start difference. First operand 575 states and 796 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:08:24,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:24,229 INFO L93 Difference]: Finished difference Result 1146 states and 1588 transitions. [2022-11-02 21:08:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:24,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-02 21:08:24,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:24,235 INFO L225 Difference]: With dead ends: 1146 [2022-11-02 21:08:24,235 INFO L226 Difference]: Without dead ends: 574 [2022-11-02 21:08:24,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:24,241 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 457 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:24,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 902 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:08:24,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-11-02 21:08:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2022-11-02 21:08:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 457 states have (on average 1.4266958424507659) internal successors, (652), 462 states have internal predecessors, (652), 72 states have call successors, (72), 46 states have call predecessors, (72), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-02 21:08:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 791 transitions. [2022-11-02 21:08:24,288 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 791 transitions. Word has length 45 [2022-11-02 21:08:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:24,289 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 791 transitions. [2022-11-02 21:08:24,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:08:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 791 transitions. [2022-11-02 21:08:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 21:08:24,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:24,292 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:24,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:08:24,292 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:24,293 INFO L85 PathProgramCache]: Analyzing trace with hash 741731796, now seen corresponding path program 1 times [2022-11-02 21:08:24,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:24,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825641796] [2022-11-02 21:08:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:24,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:08:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 21:08:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:08:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 21:08:24,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:24,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825641796] [2022-11-02 21:08:24,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825641796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:24,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:24,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:24,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489416474] [2022-11-02 21:08:24,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:24,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:08:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:24,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:08:24,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:24,627 INFO L87 Difference]: Start difference. First operand 574 states and 791 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:08:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:25,231 INFO L93 Difference]: Finished difference Result 576 states and 792 transitions. [2022-11-02 21:08:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:08:25,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 21:08:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:25,234 INFO L225 Difference]: With dead ends: 576 [2022-11-02 21:08:25,234 INFO L226 Difference]: Without dead ends: 573 [2022-11-02 21:08:25,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:08:25,235 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 238 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:25,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1025 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 21:08:25,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-11-02 21:08:25,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-11-02 21:08:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 457 states have (on average 1.424507658643326) internal successors, (651), 461 states have internal predecessors, (651), 71 states have call successors, (71), 46 states have call predecessors, (71), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-02 21:08:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 789 transitions. [2022-11-02 21:08:25,281 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 789 transitions. Word has length 54 [2022-11-02 21:08:25,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:25,282 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 789 transitions. [2022-11-02 21:08:25,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:08:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 789 transitions. [2022-11-02 21:08:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-02 21:08:25,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:25,284 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:25,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:08:25,284 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:25,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:25,285 INFO L85 PathProgramCache]: Analyzing trace with hash 360678227, now seen corresponding path program 1 times [2022-11-02 21:08:25,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:25,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591915384] [2022-11-02 21:08:25,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:25,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:08:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 21:08:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:08:25,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:25,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591915384] [2022-11-02 21:08:25,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591915384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:25,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:25,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268089395] [2022-11-02 21:08:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:25,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:08:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:08:25,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:25,796 INFO L87 Difference]: Start difference. First operand 573 states and 789 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:08:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:26,537 INFO L93 Difference]: Finished difference Result 1171 states and 1609 transitions. [2022-11-02 21:08:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:08:26,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 53 [2022-11-02 21:08:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:26,540 INFO L225 Difference]: With dead ends: 1171 [2022-11-02 21:08:26,541 INFO L226 Difference]: Without dead ends: 593 [2022-11-02 21:08:26,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:08:26,542 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 140 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:26,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1086 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 21:08:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-11-02 21:08:26,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 525. [2022-11-02 21:08:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-02 21:08:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-02 21:08:26,585 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 53 [2022-11-02 21:08:26,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:26,585 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-02 21:08:26,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:08:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-02 21:08:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 21:08:26,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:26,588 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:26,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:08:26,588 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:26,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 763976356, now seen corresponding path program 1 times [2022-11-02 21:08:26,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:26,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971271112] [2022-11-02 21:08:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:26,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:26,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:27,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:27,029 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:08:27,030 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:08:27,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:08:27,036 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:27,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:08:27,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:27 BoogieIcfgContainer [2022-11-02 21:08:27,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:08:27,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:08:27,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:08:27,255 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:08:27,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:20" (3/4) ... [2022-11-02 21:08:27,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:08:27,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:08:27,260 INFO L158 Benchmark]: Toolchain (without parser) took 11362.78ms. Allocated memory was 130.0MB in the beginning and 306.2MB in the end (delta: 176.2MB). Free memory was 92.1MB in the beginning and 224.1MB in the end (delta: -132.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,260 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:27,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2247.56ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 51.0MB in the end (delta: 41.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.50ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 51.0MB in the beginning and 119.6MB in the end (delta: -68.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,261 INFO L158 Benchmark]: Boogie Preprocessor took 144.01ms. Allocated memory is still 174.1MB. Free memory was 119.6MB in the beginning and 111.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,262 INFO L158 Benchmark]: RCFGBuilder took 2190.15ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 60.5MB in the end (delta: 50.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,262 INFO L158 Benchmark]: TraceAbstraction took 6560.96ms. Allocated memory was 174.1MB in the beginning and 306.2MB in the end (delta: 132.1MB). Free memory was 60.5MB in the beginning and 224.1MB in the end (delta: -163.6MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2022-11-02 21:08:27,263 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 306.2MB. Free memory is still 224.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:27,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2247.56ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 51.0MB in the end (delta: 41.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.50ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 51.0MB in the beginning and 119.6MB in the end (delta: -68.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.01ms. Allocated memory is still 174.1MB. Free memory was 119.6MB in the beginning and 111.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2190.15ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 60.5MB in the end (delta: 50.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6560.96ms. Allocated memory was 174.1MB in the beginning and 306.2MB in the end (delta: 132.1MB). Free memory was 60.5MB in the beginning and 224.1MB in the end (delta: -163.6MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 306.2MB. Free memory is still 224.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 6023]: 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 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->driver_type=4294967297, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->raw={0:0}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=18446744073709551613, __mptr={0:-1227}, available_protocols=0, count=0, data={210:0}, data={0:-2}, descriptor={202:0}, descriptor___0={208:0}, descriptor___1={206:0}, descriptor___2={207:0}, descriptor___3={209:0}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, len=18446744073709551613, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={205:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2760 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2724 mSDsluCounter, 6381 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2538 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 817 IncrementalHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 3843 mSDtfsCounter, 817 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 87 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 24/24 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 21:08:27,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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 64bit --witnessprinter.graph.data.programhash 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- 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 21:08:29,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:29,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:29,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:29,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:29,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:29,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:29,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:29,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:29,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:29,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:29,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:29,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:29,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:29,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:29,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:29,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:29,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:29,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:29,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:29,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:29,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:29,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:29,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:29,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:29,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:29,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:29,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:29,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:29,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:29,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:29,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:29,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:29,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:29,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:29,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:29,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:29,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:29,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:29,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:29,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:29,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 21:08:29,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:29,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:29,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:29,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:29,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:29,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:29,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:29,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:29,865 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:29,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:29,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:29,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:29,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:29,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:29,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:08:29,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:08:29,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:08:29,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:29,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:29,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:29,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:29,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:29,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:29,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:29,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:29,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:29,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:29,871 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:08:29,871 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:08:29,871 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:29,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:29,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:29,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:08:29,872 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_beb19a14-f11d-40e0-802d-e79be5a9e159/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-02 21:08:30,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:30,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:30,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:30,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:30,317 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:30,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:30,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/c9766c01f/b8daa317be1a45418cfebcaf1b40d2c4/FLAGaef17893c [2022-11-02 21:08:31,191 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:31,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:31,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/c9766c01f/b8daa317be1a45418cfebcaf1b40d2c4/FLAGaef17893c [2022-11-02 21:08:31,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/data/c9766c01f/b8daa317be1a45418cfebcaf1b40d2c4 [2022-11-02 21:08:31,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:31,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:31,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:31,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:31,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:31,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40909e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31, skipping insertion in model container [2022-11-02 21:08:31,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:31,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:33,345 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_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-02 21:08:33,428 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:08:33,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:33,458 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 21:08:33,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:33,824 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_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-02 21:08:33,845 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:08:33,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:33,878 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:34,186 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_beb19a14-f11d-40e0-802d-e79be5a9e159/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-02 21:08:34,200 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:08:34,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:34,353 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:34,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34 WrapperNode [2022-11-02 21:08:34,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:34,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:34,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:34,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:34,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,638 INFO L138 Inliner]: procedures = 274, calls = 1650, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1331 [2022-11-02 21:08:34,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:34,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:34,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:34,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:34,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:34,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:34,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:34,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:34,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (1/1) ... [2022-11-02 21:08:34,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:34,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:34,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-02 21:08:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-02 21:08:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 21:08:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 21:08:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 21:08:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:08:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 21:08:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:08:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-02 21:08:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-02 21:08:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:08:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:08:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-02 21:08:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-02 21:08:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:08:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:08:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:08:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:08:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 21:08:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 21:08:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:08:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:08:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:08:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:08:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 21:08:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 21:08:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 21:08:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 21:08:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-02 21:08:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-02 21:08:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-02 21:08:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 21:08:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-02 21:08:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-02 21:08:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 21:08:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 21:08:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 21:08:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 21:08:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-02 21:08:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-02 21:08:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:08:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:08:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-02 21:08:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-02 21:08:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-02 21:08:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-02 21:08:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:08:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:08:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 21:08:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 21:08:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-02 21:08:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-02 21:08:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-02 21:08:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-02 21:08:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-02 21:08:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-02 21:08:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-02 21:08:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-02 21:08:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:08:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:08:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-02 21:08:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-02 21:08:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-02 21:08:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-02 21:08:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-02 21:08:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:08:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:08:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 21:08:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 21:08:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-02 21:08:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:35,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:35,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:42,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:42,908 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:42,911 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:08:42,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:42 BoogieIcfgContainer [2022-11-02 21:08:42,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:42,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:42,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:42,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:42,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:31" (1/3) ... [2022-11-02 21:08:42,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e3d6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:42, skipping insertion in model container [2022-11-02 21:08:42,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:34" (2/3) ... [2022-11-02 21:08:42,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e3d6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:42, skipping insertion in model container [2022-11-02 21:08:42,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:42" (3/3) ... [2022-11-02 21:08:42,926 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-02 21:08:42,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:42,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:08:43,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:43,040 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;@634390bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:43,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:08:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-02 21:08:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 21:08:43,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:43,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:43,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2022-11-02 21:08:43,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:43,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072390633] [2022-11-02 21:08:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:43,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:43,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:08:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:44,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:44,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:44,224 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 21:08:44,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:44,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:44,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072390633] [2022-11-02 21:08:44,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072390633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:44,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:44,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512040508] [2022-11-02 21:08:44,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:44,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:44,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:44,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:44,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:44,265 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:44,683 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-02 21:08:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:44,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-02 21:08:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:44,698 INFO L225 Difference]: With dead ends: 736 [2022-11-02 21:08:44,698 INFO L226 Difference]: Without dead ends: 414 [2022-11-02 21:08:44,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 21:08:44,718 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:44,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 879 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:08:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-02 21:08:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-02 21:08:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-02 21:08:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-02 21:08:44,795 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-02 21:08:44,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:44,796 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-02 21:08:44,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-02 21:08:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:08:44,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:44,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:44,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:45,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:45,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:45,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1255176370, now seen corresponding path program 1 times [2022-11-02 21:08:45,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:45,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062244156] [2022-11-02 21:08:45,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:45,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:45,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:08:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:45,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:08:45,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:45,898 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 21:08:45,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:45,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:45,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062244156] [2022-11-02 21:08:45,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062244156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:45,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:45,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:45,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223753869] [2022-11-02 21:08:45,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:45,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:45,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:45,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:45,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:45,902 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:46,133 INFO L93 Difference]: Finished difference Result 826 states and 1142 transitions. [2022-11-02 21:08:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:46,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 21:08:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:46,143 INFO L225 Difference]: With dead ends: 826 [2022-11-02 21:08:46,143 INFO L226 Difference]: Without dead ends: 430 [2022-11-02 21:08:46,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:46,146 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 41 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:46,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1275 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:08:46,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-02 21:08:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 373. [2022-11-02 21:08:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 290 states have (on average 1.4379310344827587) internal successors, (417), 299 states have internal predecessors, (417), 56 states have call successors, (56), 27 states have call predecessors, (56), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-02 21:08:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 520 transitions. [2022-11-02 21:08:46,189 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 520 transitions. Word has length 19 [2022-11-02 21:08:46,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:46,189 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 520 transitions. [2022-11-02 21:08:46,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2022-11-02 21:08:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:08:46,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:46,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:46,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:46,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:46,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1312434672, now seen corresponding path program 1 times [2022-11-02 21:08:46,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:46,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231705727] [2022-11-02 21:08:46,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:46,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:46,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:46,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:46,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:08:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:47,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:47,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:47,378 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 21:08:47,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:47,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231705727] [2022-11-02 21:08:47,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231705727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:47,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:47,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:47,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992414217] [2022-11-02 21:08:47,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:47,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:47,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:47,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:47,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:47,381 INFO L87 Difference]: Start difference. First operand 373 states and 520 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:47,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:47,536 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2022-11-02 21:08:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:47,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 21:08:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:47,539 INFO L225 Difference]: With dead ends: 375 [2022-11-02 21:08:47,539 INFO L226 Difference]: Without dead ends: 372 [2022-11-02 21:08:47,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 21:08:47,541 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:47,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:47,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-02 21:08:47,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-02 21:08:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.4344827586206896) internal successors, (416), 298 states have internal predecessors, (416), 55 states have call successors, (55), 27 states have call predecessors, (55), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-02 21:08:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 518 transitions. [2022-11-02 21:08:47,567 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 518 transitions. Word has length 19 [2022-11-02 21:08:47,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:47,568 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 518 transitions. [2022-11-02 21:08:47,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2022-11-02 21:08:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 21:08:47,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:47,570 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] [2022-11-02 21:08:47,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:47,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:47,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:47,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:47,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2030613114, now seen corresponding path program 1 times [2022-11-02 21:08:47,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:47,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204160582] [2022-11-02 21:08:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:47,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:47,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:47,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:47,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 21:08:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:48,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:48,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:48,631 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 21:08:48,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:48,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:48,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204160582] [2022-11-02 21:08:48,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204160582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:48,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:48,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959270446] [2022-11-02 21:08:48,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:48,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:48,634 INFO L87 Difference]: Start difference. First operand 372 states and 518 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:48,799 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2022-11-02 21:08:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:48,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 21:08:48,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:48,802 INFO L225 Difference]: With dead ends: 379 [2022-11-02 21:08:48,802 INFO L226 Difference]: Without dead ends: 375 [2022-11-02 21:08:48,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 21:08:48,804 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:48,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:48,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-02 21:08:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2022-11-02 21:08:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.4246575342465753) internal successors, (416), 298 states have internal predecessors, (416), 53 states have call successors, (53), 28 states have call predecessors, (53), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-02 21:08:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 516 transitions. [2022-11-02 21:08:48,860 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 516 transitions. Word has length 20 [2022-11-02 21:08:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:48,861 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 516 transitions. [2022-11-02 21:08:48,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 516 transitions. [2022-11-02 21:08:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 21:08:48,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:48,866 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] [2022-11-02 21:08:48,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:49,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:49,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:49,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1475654093, now seen corresponding path program 1 times [2022-11-02 21:08:49,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:49,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621290509] [2022-11-02 21:08:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:49,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:49,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:49,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:49,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 21:08:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:50,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:50,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:50,077 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 21:08:50,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:50,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:50,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621290509] [2022-11-02 21:08:50,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621290509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:50,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:50,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:50,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667076372] [2022-11-02 21:08:50,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:50,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:50,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:50,080 INFO L87 Difference]: Start difference. First operand 373 states and 516 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:50,219 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2022-11-02 21:08:50,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:50,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-02 21:08:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:50,222 INFO L225 Difference]: With dead ends: 375 [2022-11-02 21:08:50,222 INFO L226 Difference]: Without dead ends: 372 [2022-11-02 21:08:50,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 21:08:50,224 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:50,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-02 21:08:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-02 21:08:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 292 states have (on average 1.4212328767123288) internal successors, (415), 297 states have internal predecessors, (415), 52 states have call successors, (52), 28 states have call predecessors, (52), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-02 21:08:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 514 transitions. [2022-11-02 21:08:50,256 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 514 transitions. Word has length 21 [2022-11-02 21:08:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:50,256 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 514 transitions. [2022-11-02 21:08:50,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 514 transitions. [2022-11-02 21:08:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-02 21:08:50,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:50,258 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] [2022-11-02 21:08:50,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:50,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:50,481 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1499217053, now seen corresponding path program 1 times [2022-11-02 21:08:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:50,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695250037] [2022-11-02 21:08:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:50,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:50,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:50,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:50,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 21:08:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:51,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:51,290 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 21:08:51,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:51,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:51,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695250037] [2022-11-02 21:08:51,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695250037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:51,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:51,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996066064] [2022-11-02 21:08:51,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:51,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:51,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:51,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:51,293 INFO L87 Difference]: Start difference. First operand 372 states and 514 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:51,500 INFO L93 Difference]: Finished difference Result 552 states and 772 transitions. [2022-11-02 21:08:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:51,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-02 21:08:51,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:51,504 INFO L225 Difference]: With dead ends: 552 [2022-11-02 21:08:51,504 INFO L226 Difference]: Without dead ends: 548 [2022-11-02 21:08:51,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 21:08:51,505 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:51,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:08:51,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-11-02 21:08:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2022-11-02 21:08:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 445 states have internal predecessors, (635), 68 states have call successors, (68), 40 states have call predecessors, (68), 38 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-02 21:08:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 766 transitions. [2022-11-02 21:08:51,549 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 766 transitions. Word has length 22 [2022-11-02 21:08:51,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:51,550 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 766 transitions. [2022-11-02 21:08:51,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 766 transitions. [2022-11-02 21:08:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 21:08:51,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:51,551 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] [2022-11-02 21:08:51,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:51,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:51,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:51,766 INFO L85 PathProgramCache]: Analyzing trace with hash -769053066, now seen corresponding path program 1 times [2022-11-02 21:08:51,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:51,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860706650] [2022-11-02 21:08:51,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:51,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:51,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:51,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:51,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 21:08:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:52,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:52,624 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 21:08:52,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:52,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:52,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860706650] [2022-11-02 21:08:52,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860706650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:52,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:52,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:52,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835309120] [2022-11-02 21:08:52,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:52,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:52,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:52,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:52,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:52,626 INFO L87 Difference]: Start difference. First operand 546 states and 766 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:52,747 INFO L93 Difference]: Finished difference Result 548 states and 767 transitions. [2022-11-02 21:08:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:52,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-02 21:08:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:52,764 INFO L225 Difference]: With dead ends: 548 [2022-11-02 21:08:52,764 INFO L226 Difference]: Without dead ends: 527 [2022-11-02 21:08:52,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:52,765 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:52,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-11-02 21:08:52,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-11-02 21:08:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 425 states have (on average 1.4470588235294117) internal successors, (615), 430 states have internal predecessors, (615), 64 states have call successors, (64), 39 states have call predecessors, (64), 37 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2022-11-02 21:08:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 739 transitions. [2022-11-02 21:08:52,829 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 739 transitions. Word has length 23 [2022-11-02 21:08:52,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:52,829 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 739 transitions. [2022-11-02 21:08:52,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2022-11-02 21:08:52,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-02 21:08:52,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:52,832 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:52,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:53,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:53,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:53,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:53,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1664175646, now seen corresponding path program 1 times [2022-11-02 21:08:53,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:53,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356493593] [2022-11-02 21:08:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:53,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:53,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:53,052 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:53,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 21:08:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:54,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:08:54,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:08:54,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:54,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:54,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356493593] [2022-11-02 21:08:54,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356493593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:54,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:54,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:54,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355451290] [2022-11-02 21:08:54,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:54,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:54,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:54,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:54,117 INFO L87 Difference]: Start difference. First operand 527 states and 739 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:08:54,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:54,309 INFO L93 Difference]: Finished difference Result 1050 states and 1474 transitions. [2022-11-02 21:08:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:54,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2022-11-02 21:08:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:54,314 INFO L225 Difference]: With dead ends: 1050 [2022-11-02 21:08:54,314 INFO L226 Difference]: Without dead ends: 526 [2022-11-02 21:08:54,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 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 21:08:54,316 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 384 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:54,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:54,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-02 21:08:54,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-11-02 21:08:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 425 states have (on average 1.4423529411764706) internal successors, (613), 429 states have internal predecessors, (613), 63 states have call successors, (63), 39 states have call predecessors, (63), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-02 21:08:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2022-11-02 21:08:54,362 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 62 [2022-11-02 21:08:54,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:54,363 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2022-11-02 21:08:54,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:08:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2022-11-02 21:08:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-02 21:08:54,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:54,366 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:54,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:54,589 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:54,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash -656103517, now seen corresponding path program 1 times [2022-11-02 21:08:54,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:54,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473734585] [2022-11-02 21:08:54,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:54,592 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 21:08:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:08:55,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:08:55,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:55,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:55,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473734585] [2022-11-02 21:08:55,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473734585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:55,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:55,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:08:55,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088818313] [2022-11-02 21:08:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:55,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:55,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:55,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:55,496 INFO L87 Difference]: Start difference. First operand 526 states and 734 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 21:08:55,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:55,643 INFO L93 Difference]: Finished difference Result 528 states and 735 transitions. [2022-11-02 21:08:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:55,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-11-02 21:08:55,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:55,646 INFO L225 Difference]: With dead ends: 528 [2022-11-02 21:08:55,646 INFO L226 Difference]: Without dead ends: 525 [2022-11-02 21:08:55,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 21:08:55,648 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:55,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 809 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:08:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-11-02 21:08:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2022-11-02 21:08:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-02 21:08:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-02 21:08:55,690 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 71 [2022-11-02 21:08:55,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:55,691 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-02 21:08:55,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 21:08:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-02 21:08:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 21:08:55,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:55,693 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:55,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:55,910 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1176347224, now seen corresponding path program 1 times [2022-11-02 21:08:55,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:55,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885144092] [2022-11-02 21:08:55,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:55,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:55,919 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 21:09:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:31,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:09:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:52,851 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-02 21:09:52,852 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:09:52,853 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:09:52,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:09:53,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:09:53,073 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:53,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:09:53,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:09:53 BoogieIcfgContainer [2022-11-02 21:09:53,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:09:53,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:09:53,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:09:53,291 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:09:53,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:42" (3/4) ... [2022-11-02 21:09:53,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:09:53,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:09:53,296 INFO L158 Benchmark]: Toolchain (without parser) took 81556.23ms. Allocated memory was 69.2MB in the beginning and 285.2MB in the end (delta: 216.0MB). Free memory was 41.6MB in the beginning and 171.1MB in the end (delta: -129.5MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,296 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:53,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2626.03ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 41.3MB in the beginning and 50.7MB in the end (delta: -9.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 268.96ms. Allocated memory is still 111.1MB. Free memory was 50.7MB in the beginning and 40.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,298 INFO L158 Benchmark]: Boogie Preprocessor took 207.80ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 40.8MB in the beginning and 79.4MB in the end (delta: -38.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,298 INFO L158 Benchmark]: RCFGBuilder took 8067.26ms. Allocated memory was 140.5MB in the beginning and 237.0MB in the end (delta: 96.5MB). Free memory was 79.4MB in the beginning and 122.9MB in the end (delta: -43.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,299 INFO L158 Benchmark]: TraceAbstraction took 70372.47ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 121.8MB in the beginning and 172.2MB in the end (delta: -50.3MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,300 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 285.2MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:53,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2626.03ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 41.3MB in the beginning and 50.7MB in the end (delta: -9.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 268.96ms. Allocated memory is still 111.1MB. Free memory was 50.7MB in the beginning and 40.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 207.80ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 40.8MB in the beginning and 79.4MB in the end (delta: -38.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8067.26ms. Allocated memory was 140.5MB in the beginning and 237.0MB in the end (delta: 96.5MB). Free memory was 79.4MB in the beginning and 122.9MB in the end (delta: -43.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 70372.47ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 121.8MB in the beginning and 172.2MB in the end (delta: -50.3MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 285.2MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 6023]: 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 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={219:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-9223372036854775808}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={219:0}, dev={0:-9223372036854775808}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, device={0:-9223372036854775808}, device={0:-9223372036854775808}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223372036854774581}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223372036854774581}, lock={0:-9223372036854774581}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223372036854774581}, lock={0:-9223372036854774581}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:-9223372036854774581}, ldv_func_arg1={0:-9223372036854774581}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:-9223372036854774581}, ldv_func_arg1={0:-9223372036854774581}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-9223372036854775808}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={219:0}, dev={0:-9223372036854775808}, dev->driver_type=-2147483648, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, device={0:-9223372036854775808}, device={0:-9223372036854775808}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-9223372036854775808}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={219:0}, dev={0:-9223372036854775808}, dev->raw={-2199023271936:2199023271936}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, device={0:-9223372036854775808}, device={0:-9223372036854775808}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-9223372036854775808}, available_protocols=0, buf={0:202}, buf={0:202}, dev={0:-9223372036854775808}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, device={0:-9223372036854775808}, device={0:-9223372036854775808}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=204, __mptr={0:-9223372036854775808}, available_protocols=0, count=0, data={239:0}, data={0:0}, descriptor={-9223372036854775781:0}, descriptor___0={-9223372036854775805:0}, descriptor___1={219:0}, descriptor___2={4611686018427387931:0}, descriptor___3={211:0}, dev={0:-9223372036854775808}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, device={0:-9223372036854775808}, device={0:-9223372036854775808}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, len=204, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={218:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, lock={0:-9223372036854774581}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, lock={0:-9223372036854774581}, lock={0:-9223372036854774581}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036854775808}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2315 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 6164 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2221 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3943 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=6, 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 76 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 40.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9793 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 9/9 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 21:09:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb19a14-f11d-40e0-802d-e79be5a9e159/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