./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/TaipanReach.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_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS --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 Taipan --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-8393723 [2022-11-19 08:18:34,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:34,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:34,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:34,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:34,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:34,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:34,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:34,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:34,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:34,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:34,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:34,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:34,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:34,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:34,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:34,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:34,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:34,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:34,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:34,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:34,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:34,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:34,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:34,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:34,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:34,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:34,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:34,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:34,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:34,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:34,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:34,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:34,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:34,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:34,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:34,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:34,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:34,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:34,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:34,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:34,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:18:34,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:34,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:34,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:34,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:34,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:34,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:34,381 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:34,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:34,381 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:34,381 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:18:34,382 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:34,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:34,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:18:34,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:18:34,383 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:34,383 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:18:34,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:18:34,383 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:18:34,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:34,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:18:34,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:34,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:34,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:34,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:34,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:34,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:34,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:34,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:34,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:34,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:34,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:34,388 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:18:34,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:34,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:34,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:18:34,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:18:34,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:34,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:34,389 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_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-19 08:18:34,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:34,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:34,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:34,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:34,778 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:34,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:18:34,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/c9b117165/22db204b1a18457b911b2d95da6a322a/FLAG78f1783e2 [2022-11-19 08:18:35,660 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:35,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:18:35,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/c9b117165/22db204b1a18457b911b2d95da6a322a/FLAG78f1783e2 [2022-11-19 08:18:36,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/c9b117165/22db204b1a18457b911b2d95da6a322a [2022-11-19 08:18:36,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:36,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:36,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:36,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:36,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:36,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:36" (1/1) ... [2022-11-19 08:18:36,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2060d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:36, skipping insertion in model container [2022-11-19 08:18:36,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:36" (1/1) ... [2022-11-19 08:18:36,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:36,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:37,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-19 08:18:37,987 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-19 08:18:37,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:38,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:38,391 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-19 08:18:38,413 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-19 08:18:38,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:38,535 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:38,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38 WrapperNode [2022-11-19 08:18:38,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:38,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:38,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:38,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:38,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,726 INFO L138 Inliner]: procedures = 259, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1592 [2022-11-19 08:18:38,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:38,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:38,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:38,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:38,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:38,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:38,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:38,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:38,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (1/1) ... [2022-11-19 08:18:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:38,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:38,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:38,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-19 08:18:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-19 08:18:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:18:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:18:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-19 08:18:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-19 08:18:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:18:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:18:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-19 08:18:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-19 08:18:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:18:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:18:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:18:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:18:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 08:18:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 08:18:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:18:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:18:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:18:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:18:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:18:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:18:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:18:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-19 08:18:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-19 08:18:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:18:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:18:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:18:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 08:18:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 08:18:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-19 08:18:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-19 08:18:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:18:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:18:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-19 08:18:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-19 08:18:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:18:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-19 08:18:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-19 08:18:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:18:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:18:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:18:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:18:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:18:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:18:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-19 08:18:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-19 08:18:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:18:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:18:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:18:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:18:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:18:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:18:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-19 08:18:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-19 08:18:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:18:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:18:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:18:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:18:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 08:18:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 08:18:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:18:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:39,432 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:39,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:18:41,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:18:41,965 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:18:41,966 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:18:41,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:41 BoogieIcfgContainer [2022-11-19 08:18:41,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:18:41,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:18:41,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:18:41,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:18:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:36" (1/3) ... [2022-11-19 08:18:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efca5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:41, skipping insertion in model container [2022-11-19 08:18:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:38" (2/3) ... [2022-11-19 08:18:41,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efca5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:41, skipping insertion in model container [2022-11-19 08:18:41,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:41" (3/3) ... [2022-11-19 08:18:41,980 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:18:42,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:18:42,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:18:42,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:18:42,085 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=FINITE_AUTOMATA, 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;@781ff879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:18:42,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:18:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 233 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 166 states have internal predecessors, (228), 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) [2022-11-19 08:18:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:18:42,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:42,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:42,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1710695437, now seen corresponding path program 1 times [2022-11-19 08:18:42,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:42,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786602740] [2022-11-19 08:18:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:42,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:42,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:42,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786602740] [2022-11-19 08:18:42,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786602740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:42,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:42,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:42,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543699583] [2022-11-19 08:18:42,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:42,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:42,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:42,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:42,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:42,877 INFO L87 Difference]: Start difference. First operand has 233 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 166 states have internal predecessors, (228), 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 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-19 08:18:43,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:43,247 INFO L93 Difference]: Finished difference Result 539 states and 781 transitions. [2022-11-19 08:18:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 15 [2022-11-19 08:18:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:43,277 INFO L225 Difference]: With dead ends: 539 [2022-11-19 08:18:43,277 INFO L226 Difference]: Without dead ends: 303 [2022-11-19 08:18:43,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:43,292 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 99 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:43,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 558 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:18:43,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-19 08:18:43,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 272. [2022-11-19 08:18:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.4973544973544974) internal successors, (283), 198 states have internal predecessors, (283), 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) [2022-11-19 08:18:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 386 transitions. [2022-11-19 08:18:43,381 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 386 transitions. Word has length 15 [2022-11-19 08:18:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:43,381 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 386 transitions. [2022-11-19 08:18:43,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-19 08:18:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 386 transitions. [2022-11-19 08:18:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:18:43,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:43,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:43,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:18:43,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1180835781, now seen corresponding path program 1 times [2022-11-19 08:18:43,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:43,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273211050] [2022-11-19 08:18:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:43,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:43,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273211050] [2022-11-19 08:18:43,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273211050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:43,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:43,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:43,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666105378] [2022-11-19 08:18:43,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:43,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:43,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:43,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:43,669 INFO L87 Difference]: Start difference. First operand 272 states and 386 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-11-19 08:18:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:43,819 INFO L93 Difference]: Finished difference Result 274 states and 387 transitions. [2022-11-19 08:18:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:43,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 15 [2022-11-19 08:18:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:43,822 INFO L225 Difference]: With dead ends: 274 [2022-11-19 08:18:43,822 INFO L226 Difference]: Without dead ends: 271 [2022-11-19 08:18:43,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:43,824 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 306 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:43,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 266 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-11-19 08:18:43,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2022-11-19 08:18:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 189 states have (on average 1.492063492063492) internal successors, (282), 197 states have internal predecessors, (282), 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) [2022-11-19 08:18:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 384 transitions. [2022-11-19 08:18:43,867 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 384 transitions. Word has length 15 [2022-11-19 08:18:43,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:43,868 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 384 transitions. [2022-11-19 08:18:43,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-11-19 08:18:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 384 transitions. [2022-11-19 08:18:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:18:43,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:43,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:43,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:18:43,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:43,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:43,878 INFO L85 PathProgramCache]: Analyzing trace with hash -2048982439, now seen corresponding path program 1 times [2022-11-19 08:18:43,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:43,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601540199] [2022-11-19 08:18:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:43,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:44,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:44,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601540199] [2022-11-19 08:18:44,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601540199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:44,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:44,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:44,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557457275] [2022-11-19 08:18:44,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:44,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:44,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:44,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:44,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:44,152 INFO L87 Difference]: Start difference. First operand 271 states and 384 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-11-19 08:18:44,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:44,317 INFO L93 Difference]: Finished difference Result 277 states and 387 transitions. [2022-11-19 08:18:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:44,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 16 [2022-11-19 08:18:44,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:44,322 INFO L225 Difference]: With dead ends: 277 [2022-11-19 08:18:44,322 INFO L226 Difference]: Without dead ends: 273 [2022-11-19 08:18:44,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:44,326 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 290 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:44,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 269 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:44,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-11-19 08:18:44,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 271. [2022-11-19 08:18:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.4789473684210526) internal successors, (281), 196 states have internal predecessors, (281), 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) [2022-11-19 08:18:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 381 transitions. [2022-11-19 08:18:44,358 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 381 transitions. Word has length 16 [2022-11-19 08:18:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:44,358 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 381 transitions. [2022-11-19 08:18:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-11-19 08:18:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2022-11-19 08:18:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:18:44,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:44,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:44,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:18:44,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:44,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:44,361 INFO L85 PathProgramCache]: Analyzing trace with hash 905872712, now seen corresponding path program 1 times [2022-11-19 08:18:44,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:44,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705442402] [2022-11-19 08:18:44,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:44,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:44,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:44,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705442402] [2022-11-19 08:18:44,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705442402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:44,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:44,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:44,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148809060] [2022-11-19 08:18:44,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:44,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:44,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:44,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:44,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:44,599 INFO L87 Difference]: Start difference. First operand 271 states and 381 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-11-19 08:18:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:44,759 INFO L93 Difference]: Finished difference Result 273 states and 382 transitions. [2022-11-19 08:18:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:44,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 17 [2022-11-19 08:18:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:44,761 INFO L225 Difference]: With dead ends: 273 [2022-11-19 08:18:44,761 INFO L226 Difference]: Without dead ends: 270 [2022-11-19 08:18:44,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:44,763 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 298 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:44,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 260 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:44,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-19 08:18:44,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2022-11-19 08:18:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 190 states have (on average 1.4736842105263157) internal successors, (280), 195 states have internal predecessors, (280), 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) [2022-11-19 08:18:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 379 transitions. [2022-11-19 08:18:44,807 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 379 transitions. Word has length 17 [2022-11-19 08:18:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:44,807 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 379 transitions. [2022-11-19 08:18:44,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-11-19 08:18:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 379 transitions. [2022-11-19 08:18:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 08:18:44,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:44,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:44,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:18:44,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:44,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:44,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1982893252, now seen corresponding path program 1 times [2022-11-19 08:18:44,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:44,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236918942] [2022-11-19 08:18:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:44,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236918942] [2022-11-19 08:18:44,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236918942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:44,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:44,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:44,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358424587] [2022-11-19 08:18:44,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:44,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:44,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:45,000 INFO L87 Difference]: Start difference. First operand 270 states and 379 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-19 08:18:45,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:45,230 INFO L93 Difference]: Finished difference Result 398 states and 567 transitions. [2022-11-19 08:18:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:45,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 18 [2022-11-19 08:18:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:45,235 INFO L225 Difference]: With dead ends: 398 [2022-11-19 08:18:45,235 INFO L226 Difference]: Without dead ends: 394 [2022-11-19 08:18:45,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:45,236 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 111 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:45,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 518 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:18:45,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-19 08:18:45,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2022-11-19 08:18:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 285 states have (on average 1.5087719298245614) internal successors, (430), 291 states have internal predecessors, (430), 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) [2022-11-19 08:18:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 561 transitions. [2022-11-19 08:18:45,276 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 561 transitions. Word has length 18 [2022-11-19 08:18:45,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:45,276 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 561 transitions. [2022-11-19 08:18:45,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-19 08:18:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 561 transitions. [2022-11-19 08:18:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:18:45,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:45,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:45,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:18:45,279 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:45,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:45,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1340320053, now seen corresponding path program 1 times [2022-11-19 08:18:45,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:45,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79740338] [2022-11-19 08:18:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:45,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:45,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:45,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79740338] [2022-11-19 08:18:45,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79740338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:45,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:45,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320981373] [2022-11-19 08:18:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:45,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:45,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:45,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:45,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:45,475 INFO L87 Difference]: Start difference. First operand 392 states and 561 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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) [2022-11-19 08:18:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:45,628 INFO L93 Difference]: Finished difference Result 394 states and 562 transitions. [2022-11-19 08:18:45,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:45,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 [2022-11-19 08:18:45,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:45,633 INFO L225 Difference]: With dead ends: 394 [2022-11-19 08:18:45,633 INFO L226 Difference]: Without dead ends: 379 [2022-11-19 08:18:45,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:45,634 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:45,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 259 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:45,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-11-19 08:18:45,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2022-11-19 08:18:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 277 states have (on average 1.5090252707581226) internal successors, (418), 282 states have internal predecessors, (418), 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) [2022-11-19 08:18:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 542 transitions. [2022-11-19 08:18:45,669 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 542 transitions. Word has length 19 [2022-11-19 08:18:45,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:45,670 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 542 transitions. [2022-11-19 08:18:45,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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) [2022-11-19 08:18:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 542 transitions. [2022-11-19 08:18:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 08:18:45,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:45,673 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] [2022-11-19 08:18:45,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:18:45,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1966593576, now seen corresponding path program 1 times [2022-11-19 08:18:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:45,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108945954] [2022-11-19 08:18:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:18:45,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:45,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108945954] [2022-11-19 08:18:45,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108945954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:45,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:45,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:45,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391383568] [2022-11-19 08:18:45,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:45,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:45,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:45,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:45,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:45,985 INFO L87 Difference]: Start difference. First operand 379 states and 542 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:18:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:46,185 INFO L93 Difference]: Finished difference Result 756 states and 1082 transitions. [2022-11-19 08:18:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (4), 3 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 39 [2022-11-19 08:18:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:46,191 INFO L225 Difference]: With dead ends: 756 [2022-11-19 08:18:46,191 INFO L226 Difference]: Without dead ends: 378 [2022-11-19 08:18:46,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:46,194 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 285 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:46,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 425 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:18:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-19 08:18:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2022-11-19 08:18:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 277 states have (on average 1.5018050541516246) internal successors, (416), 281 states have internal predecessors, (416), 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) [2022-11-19 08:18:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 537 transitions. [2022-11-19 08:18:46,225 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 537 transitions. Word has length 39 [2022-11-19 08:18:46,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:46,227 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 537 transitions. [2022-11-19 08:18:46,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:18:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 537 transitions. [2022-11-19 08:18:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-19 08:18:46,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:46,231 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:18:46,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:18:46,232 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash -814400075, now seen corresponding path program 1 times [2022-11-19 08:18:46,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:46,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753148561] [2022-11-19 08:18:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:18:46,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:46,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753148561] [2022-11-19 08:18:46,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753148561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:46,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:46,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:46,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737516324] [2022-11-19 08:18:46,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:46,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:46,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:46,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:46,505 INFO L87 Difference]: Start difference. First operand 378 states and 537 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 08:18:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:46,709 INFO L93 Difference]: Finished difference Result 380 states and 538 transitions. [2022-11-19 08:18:46,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:46,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (6), 3 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 46 [2022-11-19 08:18:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:46,713 INFO L225 Difference]: With dead ends: 380 [2022-11-19 08:18:46,713 INFO L226 Difference]: Without dead ends: 377 [2022-11-19 08:18:46,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:46,713 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 3 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:46,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 498 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:18:46,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-11-19 08:18:46,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-11-19 08:18:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 277 states have (on average 1.4981949458483754) internal successors, (415), 280 states have internal predecessors, (415), 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) [2022-11-19 08:18:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 535 transitions. [2022-11-19 08:18:46,742 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 535 transitions. Word has length 46 [2022-11-19 08:18:46,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:46,743 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 535 transitions. [2022-11-19 08:18:46,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 08:18:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 535 transitions. [2022-11-19 08:18:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-19 08:18:46,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:46,745 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] [2022-11-19 08:18:46,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:18:46,745 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:46,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:46,746 INFO L85 PathProgramCache]: Analyzing trace with hash 121935522, now seen corresponding path program 1 times [2022-11-19 08:18:46,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:46,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255656781] [2022-11-19 08:18:46,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:46,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:18:47,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255656781] [2022-11-19 08:18:47,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255656781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:47,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:47,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:18:47,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185630678] [2022-11-19 08:18:47,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:47,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:47,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:47,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:47,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:47,140 INFO L87 Difference]: Start difference. First operand 377 states and 535 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:18:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:47,365 INFO L93 Difference]: Finished difference Result 771 states and 1087 transitions. [2022-11-19 08:18:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:18:47,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 2 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 47 [2022-11-19 08:18:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:47,367 INFO L225 Difference]: With dead ends: 771 [2022-11-19 08:18:47,367 INFO L226 Difference]: Without dead ends: 393 [2022-11-19 08:18:47,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:18:47,369 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 20 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:47,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 765 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:18:47,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-11-19 08:18:47,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 379. [2022-11-19 08:18:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 279 states have (on average 1.4910394265232976) internal successors, (416), 282 states have internal predecessors, (416), 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) [2022-11-19 08:18:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 536 transitions. [2022-11-19 08:18:47,396 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 536 transitions. Word has length 47 [2022-11-19 08:18:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:47,396 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 536 transitions. [2022-11-19 08:18:47,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:18:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 536 transitions. [2022-11-19 08:18:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 08:18:47,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:47,398 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] [2022-11-19 08:18:47,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:18:47,399 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:47,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1403301179, now seen corresponding path program 1 times [2022-11-19 08:18:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:47,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827150448] [2022-11-19 08:18:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:47,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:47,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:18:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:47,867 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:18:47,867 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:18:47,868 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:18:47,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:18:47,873 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:47,878 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:18:48,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:18:48 BoogieIcfgContainer [2022-11-19 08:18:48,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:18:48,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:18:48,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:18:48,055 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:18:48,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:41" (3/4) ... [2022-11-19 08:18:48,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:18:48,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:18:48,059 INFO L158 Benchmark]: Toolchain (without parser) took 11862.80ms. Allocated memory was 92.3MB in the beginning and 341.8MB in the end (delta: 249.6MB). Free memory was 63.6MB in the beginning and 218.1MB in the end (delta: -154.5MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,059 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:18:48,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2338.99ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 63.6MB in the beginning and 54.1MB in the end (delta: 9.5MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.59ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 42.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,060 INFO L158 Benchmark]: Boogie Preprocessor took 186.53ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 42.7MB in the beginning and 112.6MB in the end (delta: -69.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,061 INFO L158 Benchmark]: RCFGBuilder took 3055.19ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 112.6MB in the beginning and 128.3MB in the end (delta: -15.7MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,061 INFO L158 Benchmark]: TraceAbstraction took 6081.99ms. Allocated memory was 247.5MB in the beginning and 341.8MB in the end (delta: 94.4MB). Free memory was 128.3MB in the beginning and 218.1MB in the end (delta: -89.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-19 08:18:48,062 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 341.8MB. Free memory is still 218.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:18:48,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2338.99ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 63.6MB in the beginning and 54.1MB in the end (delta: 9.5MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.59ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 42.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.53ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 42.7MB in the beginning and 112.6MB in the end (delta: -69.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3055.19ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 112.6MB in the beginning and 128.3MB in the end (delta: -15.7MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6081.99ms. Allocated memory was 247.5MB in the beginning and 341.8MB in the end (delta: 94.4MB). Free memory was 128.3MB in the beginning and 218.1MB in the end (delta: -89.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 341.8MB. Free memory is still 218.1MB. 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 4578. Possible FailurePath: [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [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}; [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}; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [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}}}}}}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L5303] static u64 available_protocols ; [L6245] static int ldv_mutex_lock ; [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"}}; [L4885] struct device *dev_attr_protocols_group0 ; [L3301] int ref_cnt ; [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}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4894] struct device *rc_dev_type_group0 ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3412] int rc_core_debug ; [L4895] umode_t *ldvarg2 ; [L4884] char *ldvarg3 ; [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}; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4888] struct device *ldvarg1 ; [L5304] static struct work_struct wq_load ; [L4890] size_t ldvarg4 ; [L4887] char *ldvarg5 ; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L4889] int ldv_retval_0 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L3300] int ldv_state_variable_2 ; [L3298] int ldv_state_variable_3 ; [L3302] int ldv_state_variable_0 ; [L6449] static int ldv_mutex_mutex_of_device ; [L3299] int ldv_state_variable_1 ; [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 [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3539] return (0); [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [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:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1227}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-3}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, lock={0:0}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1227}, dev->driver_type=4294967297, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-3}, wq_load={199:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1227}, dev->raw={0:0}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-3}, wq_load={199:0}] [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:-3}, buf={0:-3}, dev={0:-1227}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-3}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={199:0}] [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)=18446744073709551614, __mptr={0:-1227}, available_protocols=0, count=0, data={210:0}, data={0:-5}, 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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, len=18446744073709551614, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, type={205:0}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, lock={0:0}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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:-3}, ldvarg4=18446744073709551614, ldvarg5={0:-5}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1706 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1706 mSDsluCounter, 3818 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1363 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 779 IncrementalHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2455 mSDtfsCounter, 779 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=5, 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 49 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 23/23 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 [2022-11-19 08:18:48,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/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_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/TaipanReach.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_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS --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 Taipan --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-8393723 [2022-11-19 08:18:50,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:50,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:50,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:50,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:50,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:50,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:50,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:50,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:50,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:50,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:50,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:50,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:50,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:50,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:50,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:50,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:50,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:50,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:50,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:50,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:50,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:50,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:50,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:50,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:50,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:50,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:50,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:50,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:50,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:50,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:50,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:50,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:50,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:50,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:50,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:50,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:50,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:50,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:50,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:50,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:50,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 08:18:50,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:50,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:50,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:50,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:50,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:50,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:50,509 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:50,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:50,510 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:50,510 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:50,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:50,510 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:50,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:50,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:50,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:50,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:50,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:50,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:18:50,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:18:50,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:18:50,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:50,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:50,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:50,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:50,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:18:50,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:50,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:50,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:50,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:50,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:50,516 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:18:50,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:18:50,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:50,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:50,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:18:50,517 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_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-19 08:18:50,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:50,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:50,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:50,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:50,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:50,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:18:51,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/b2e3d7aeb/9aef6733b15c4b0f921e50cd61bfecaa/FLAG9fd0d4b8f [2022-11-19 08:18:51,927 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:51,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:18:51,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/b2e3d7aeb/9aef6733b15c4b0f921e50cd61bfecaa/FLAG9fd0d4b8f [2022-11-19 08:18:52,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/data/b2e3d7aeb/9aef6733b15c4b0f921e50cd61bfecaa [2022-11-19 08:18:52,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:52,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:52,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:52,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:52,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:52,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:52" (1/1) ... [2022-11-19 08:18:52,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131f6c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:52, skipping insertion in model container [2022-11-19 08:18:52,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:52" (1/1) ... [2022-11-19 08:18:52,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:52,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:53,942 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-19 08:18:54,036 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-19 08:18:54,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:54,078 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 08:18:54,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:54,485 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-19 08:18:54,499 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-19 08:18:54,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:54,514 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:54,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-19 08:18:54,917 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-19 08:18:54,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:55,031 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:55,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55 WrapperNode [2022-11-19 08:18:55,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:55,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:55,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:55,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:55,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,244 INFO L138 Inliner]: procedures = 274, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1547 [2022-11-19 08:18:55,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:55,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:55,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:55,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:55,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:55,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:55,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:55,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:55,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (1/1) ... [2022-11-19 08:18:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:55,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:55,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-19 08:18:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-19 08:18:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 08:18:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-19 08:18:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 08:18:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:18:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-19 08:18:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:18:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-19 08:18:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-19 08:18:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:18:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:18:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-19 08:18:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-19 08:18:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:18:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:18:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:18:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:18:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 08:18:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 08:18:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:18:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:18:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:18:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:18:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:18:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:18:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-19 08:18:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 08:18:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 08:18:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:18:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 08:18:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-19 08:18:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-19 08:18:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:18:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-19 08:18:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 08:18:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 08:18:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-19 08:18:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:18:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:18:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 08:18:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 08:18:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-19 08:18:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-19 08:18:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:18:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:18:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-19 08:18:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-19 08:18:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-19 08:18:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-19 08:18:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:18:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:18:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:18:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:18:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-19 08:18:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-19 08:18:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 08:18:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 08:18:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 08:18:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-19 08:18:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 08:18:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 08:18:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:18:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:18:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:18:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:18:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-19 08:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 08:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 08:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-19 08:18:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-19 08:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:18:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:18:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 08:18:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 08:18:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 08:18:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:56,144 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:56,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:19:04,347 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:19:04,378 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:19:04,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:19:04,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:19:04 BoogieIcfgContainer [2022-11-19 08:19:04,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:19:04,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:19:04,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:19:04,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:19:04,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:52" (1/3) ... [2022-11-19 08:19:04,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee32a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:19:04, skipping insertion in model container [2022-11-19 08:19:04,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:55" (2/3) ... [2022-11-19 08:19:04,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee32a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:19:04, skipping insertion in model container [2022-11-19 08:19:04,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:19:04" (3/3) ... [2022-11-19 08:19:04,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-19 08:19:04,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:19:04,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:19:04,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:19:04,507 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=FINITE_AUTOMATA, 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;@48b6bd75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:19:04,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:19:04,515 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) [2022-11-19 08:19:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:19:04,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:04,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:04,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:04,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:04,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2022-11-19 08:19:04,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:04,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322066389] [2022-11-19 08:19:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:04,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:04,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:19:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:05,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:05,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:05,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:05,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322066389] [2022-11-19 08:19:05,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322066389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:05,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:05,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:05,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310788104] [2022-11-19 08:19:05,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:05,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:05,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:05,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:05,665 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) [2022-11-19 08:19:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:06,018 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-19 08:19:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:06,021 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 [2022-11-19 08:19:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:06,033 INFO L225 Difference]: With dead ends: 736 [2022-11-19 08:19:06,034 INFO L226 Difference]: Without dead ends: 414 [2022-11-19 08:19:06,039 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 [2022-11-19 08:19:06,042 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-19 08:19:06,043 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] [2022-11-19 08:19:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-19 08:19:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-19 08:19:06,124 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) [2022-11-19 08:19:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-19 08:19:06,131 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-19 08:19:06,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:06,132 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-19 08:19:06,132 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) [2022-11-19 08:19:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-19 08:19:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:19:06,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:06,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:06,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:06,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:06,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:06,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1255176370, now seen corresponding path program 1 times [2022-11-19 08:19:06,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:06,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140025521] [2022-11-19 08:19:06,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:06,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:06,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:06,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:06,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 08:19:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:07,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:19:07,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:07,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:07,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:07,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140025521] [2022-11-19 08:19:07,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140025521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:07,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:07,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:19:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84630305] [2022-11-19 08:19:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:07,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:19:07,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:07,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:19:07,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:19:07,304 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) [2022-11-19 08:19:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:07,572 INFO L93 Difference]: Finished difference Result 826 states and 1142 transitions. [2022-11-19 08:19:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:19:07,572 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 [2022-11-19 08:19:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:07,580 INFO L225 Difference]: With dead ends: 826 [2022-11-19 08:19:07,580 INFO L226 Difference]: Without dead ends: 430 [2022-11-19 08:19:07,582 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 [2022-11-19 08:19:07,584 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 41 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-19 08:19:07,585 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] [2022-11-19 08:19:07,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-19 08:19:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 373. [2022-11-19 08:19:07,632 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) [2022-11-19 08:19:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 520 transitions. [2022-11-19 08:19:07,638 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 520 transitions. Word has length 19 [2022-11-19 08:19:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:07,639 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 520 transitions. [2022-11-19 08:19:07,639 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) [2022-11-19 08:19:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2022-11-19 08:19:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:19:07,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:07,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:07,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:07,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:07,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1312434672, now seen corresponding path program 1 times [2022-11-19 08:19:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:07,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756961019] [2022-11-19 08:19:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:07,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:07,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:07,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:07,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 08:19:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:08,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:08,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:08,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:08,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:08,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756961019] [2022-11-19 08:19:08,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756961019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:08,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:08,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:08,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110125356] [2022-11-19 08:19:08,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:08,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:08,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:08,825 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) [2022-11-19 08:19:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:08,996 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2022-11-19 08:19:08,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:08,997 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 [2022-11-19 08:19:08,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:08,999 INFO L225 Difference]: With dead ends: 375 [2022-11-19 08:19:09,000 INFO L226 Difference]: Without dead ends: 372 [2022-11-19 08:19:09,000 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 [2022-11-19 08:19:09,002 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 [2022-11-19 08:19:09,002 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] [2022-11-19 08:19:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-19 08:19:09,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-19 08:19:09,026 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) [2022-11-19 08:19:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 518 transitions. [2022-11-19 08:19:09,028 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 518 transitions. Word has length 19 [2022-11-19 08:19:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:09,029 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 518 transitions. [2022-11-19 08:19:09,029 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) [2022-11-19 08:19:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2022-11-19 08:19:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:19:09,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:09,031 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] [2022-11-19 08:19:09,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:09,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:09,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:09,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:09,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2030613114, now seen corresponding path program 1 times [2022-11-19 08:19:09,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:09,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131673193] [2022-11-19 08:19:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:09,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:09,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:09,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:09,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 08:19:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:10,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:10,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:10,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:10,256 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:10,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131673193] [2022-11-19 08:19:10,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131673193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:10,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:10,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219309946] [2022-11-19 08:19:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:10,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:10,259 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) [2022-11-19 08:19:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:10,462 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2022-11-19 08:19:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:10,463 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 [2022-11-19 08:19:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:10,466 INFO L225 Difference]: With dead ends: 379 [2022-11-19 08:19:10,467 INFO L226 Difference]: Without dead ends: 375 [2022-11-19 08:19:10,467 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 [2022-11-19 08:19:10,471 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:10,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-19 08:19:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2022-11-19 08:19:10,514 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) [2022-11-19 08:19:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 516 transitions. [2022-11-19 08:19:10,517 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 516 transitions. Word has length 20 [2022-11-19 08:19:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:10,517 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 516 transitions. [2022-11-19 08:19:10,518 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) [2022-11-19 08:19:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 516 transitions. [2022-11-19 08:19:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 08:19:10,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:10,519 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] [2022-11-19 08:19:10,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:10,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:10,734 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:10,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:10,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1475654093, now seen corresponding path program 1 times [2022-11-19 08:19:10,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:10,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443115700] [2022-11-19 08:19:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:10,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:10,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:10,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:10,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 08:19:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:11,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:11,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:11,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:11,684 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443115700] [2022-11-19 08:19:11,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443115700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:11,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:11,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151269581] [2022-11-19 08:19:11,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:11,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:11,687 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) [2022-11-19 08:19:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:11,857 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2022-11-19 08:19:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:11,858 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 [2022-11-19 08:19:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:11,860 INFO L225 Difference]: With dead ends: 375 [2022-11-19 08:19:11,861 INFO L226 Difference]: Without dead ends: 372 [2022-11-19 08:19:11,861 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 [2022-11-19 08:19:11,862 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 [2022-11-19 08:19:11,862 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] [2022-11-19 08:19:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-19 08:19:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-19 08:19:11,893 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) [2022-11-19 08:19:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 514 transitions. [2022-11-19 08:19:11,896 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 514 transitions. Word has length 21 [2022-11-19 08:19:11,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:11,897 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 514 transitions. [2022-11-19 08:19:11,897 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) [2022-11-19 08:19:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 514 transitions. [2022-11-19 08:19:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:19:11,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:11,898 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] [2022-11-19 08:19:11,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:12,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:12,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:12,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:12,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1499217053, now seen corresponding path program 1 times [2022-11-19 08:19:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:12,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050015749] [2022-11-19 08:19:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:12,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:12,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:12,116 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:12,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 08:19:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:12,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:12,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:13,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:13,050 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:13,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050015749] [2022-11-19 08:19:13,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050015749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:13,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:13,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:13,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027244092] [2022-11-19 08:19:13,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:13,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:13,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:13,053 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) [2022-11-19 08:19:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:13,234 INFO L93 Difference]: Finished difference Result 552 states and 772 transitions. [2022-11-19 08:19:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:13,234 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 [2022-11-19 08:19:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:13,237 INFO L225 Difference]: With dead ends: 552 [2022-11-19 08:19:13,238 INFO L226 Difference]: Without dead ends: 548 [2022-11-19 08:19:13,238 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 [2022-11-19 08:19:13,239 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:13,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-11-19 08:19:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2022-11-19 08:19:13,280 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) [2022-11-19 08:19:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 766 transitions. [2022-11-19 08:19:13,286 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 766 transitions. Word has length 22 [2022-11-19 08:19:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:13,287 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 766 transitions. [2022-11-19 08:19:13,287 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) [2022-11-19 08:19:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 766 transitions. [2022-11-19 08:19:13,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 08:19:13,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:13,289 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] [2022-11-19 08:19:13,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-19 08:19:13,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:13,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:13,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:13,504 INFO L85 PathProgramCache]: Analyzing trace with hash -769053066, now seen corresponding path program 1 times [2022-11-19 08:19:13,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:13,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461398012] [2022-11-19 08:19:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:13,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:13,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:13,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:13,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 08:19:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:14,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:19:14,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:19:14,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:14,402 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:14,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461398012] [2022-11-19 08:19:14,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461398012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:14,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:14,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155832649] [2022-11-19 08:19:14,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:14,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:14,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:14,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:14,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:14,406 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) [2022-11-19 08:19:14,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:14,564 INFO L93 Difference]: Finished difference Result 548 states and 767 transitions. [2022-11-19 08:19:14,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:14,580 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 [2022-11-19 08:19:14,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:14,582 INFO L225 Difference]: With dead ends: 548 [2022-11-19 08:19:14,583 INFO L226 Difference]: Without dead ends: 527 [2022-11-19 08:19:14,583 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 [2022-11-19 08:19:14,584 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 [2022-11-19 08:19:14,585 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] [2022-11-19 08:19:14,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-11-19 08:19:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-11-19 08:19:14,629 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) [2022-11-19 08:19:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 739 transitions. [2022-11-19 08:19:14,632 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 739 transitions. Word has length 23 [2022-11-19 08:19:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:14,632 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 739 transitions. [2022-11-19 08:19:14,633 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) [2022-11-19 08:19:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2022-11-19 08:19:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 08:19:14,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:14,635 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] [2022-11-19 08:19:14,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-19 08:19:14,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:14,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:14,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:14,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1664175646, now seen corresponding path program 1 times [2022-11-19 08:19:14,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:14,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893070454] [2022-11-19 08:19:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:14,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:14,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:14,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 08:19:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:15,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:19:15,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:19:15,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:15,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:15,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893070454] [2022-11-19 08:19:15,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893070454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:15,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:15,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:15,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564314207] [2022-11-19 08:19:15,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:15,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:15,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:15,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:15,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:15,898 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) [2022-11-19 08:19:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:16,129 INFO L93 Difference]: Finished difference Result 1050 states and 1474 transitions. [2022-11-19 08:19:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:16,131 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 [2022-11-19 08:19:16,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:16,139 INFO L225 Difference]: With dead ends: 1050 [2022-11-19 08:19:16,139 INFO L226 Difference]: Without dead ends: 526 [2022-11-19 08:19:16,140 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 [2022-11-19 08:19:16,141 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:16,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-19 08:19:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-11-19 08:19:16,192 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) [2022-11-19 08:19:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2022-11-19 08:19:16,200 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 62 [2022-11-19 08:19:16,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:16,200 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2022-11-19 08:19:16,201 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) [2022-11-19 08:19:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2022-11-19 08:19:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 08:19:16,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:16,203 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] [2022-11-19 08:19:16,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:16,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:16,428 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:16,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:16,428 INFO L85 PathProgramCache]: Analyzing trace with hash -656103517, now seen corresponding path program 1 times [2022-11-19 08:19:16,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:16,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501471344] [2022-11-19 08:19:16,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:16,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:16,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:16,431 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:16,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-19 08:19:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:17,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:19:17,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:19:17,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:17,401 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:19:17,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501471344] [2022-11-19 08:19:17,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501471344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:17,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:17,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:17,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350427251] [2022-11-19 08:19:17,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:17,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:19:17,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:17,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:17,404 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) [2022-11-19 08:19:17,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:17,576 INFO L93 Difference]: Finished difference Result 528 states and 735 transitions. [2022-11-19 08:19:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:17,577 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 [2022-11-19 08:19:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:17,580 INFO L225 Difference]: With dead ends: 528 [2022-11-19 08:19:17,580 INFO L226 Difference]: Without dead ends: 525 [2022-11-19 08:19:17,581 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 [2022-11-19 08:19:17,582 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 [2022-11-19 08:19:17,582 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] [2022-11-19 08:19:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-11-19 08:19:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2022-11-19 08:19:17,660 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) [2022-11-19 08:19:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-19 08:19:17,663 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 71 [2022-11-19 08:19:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:17,664 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-19 08:19:17,664 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) [2022-11-19 08:19:17,664 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-19 08:19:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 08:19:17,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:17,666 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] [2022-11-19 08:19:17,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:17,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:17,891 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:17,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:17,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1176347224, now seen corresponding path program 1 times [2022-11-19 08:19:17,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:19:17,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387291035] [2022-11-19 08:19:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:17,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:19:17,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:19:17,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:19:17,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 08:19:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:19:51,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:21:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:21:16,127 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 08:21:16,128 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:21:16,129 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:21:16,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:21:16,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:16,354 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:16,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:21:16,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:21:16 BoogieIcfgContainer [2022-11-19 08:21:16,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:21:16,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:21:16,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:21:16,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:21:16,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:19:04" (3/4) ... [2022-11-19 08:21:16,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:21:16,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:21:16,603 INFO L158 Benchmark]: Toolchain (without parser) took 144171.41ms. Allocated memory was 62.9MB in the beginning and 297.8MB in the end (delta: 234.9MB). Free memory was 35.6MB in the beginning and 111.9MB in the end (delta: -76.3MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,603 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:16,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2598.73ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 35.5MB in the beginning and 48.3MB in the end (delta: -12.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.00ms. Allocated memory is still 119.5MB. Free memory was 48.3MB in the beginning and 37.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,605 INFO L158 Benchmark]: Boogie Preprocessor took 220.12ms. Allocated memory is still 119.5MB. Free memory was 37.4MB in the beginning and 52.0MB in the end (delta: -14.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,605 INFO L158 Benchmark]: RCFGBuilder took 8917.00ms. Allocated memory was 119.5MB in the beginning and 247.5MB in the end (delta: 127.9MB). Free memory was 52.0MB in the beginning and 113.8MB in the end (delta: -61.8MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,606 INFO L158 Benchmark]: TraceAbstraction took 132213.03ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 113.8MB in the beginning and 113.0MB in the end (delta: 856.2kB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,606 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 297.8MB. Free memory was 113.0MB in the beginning and 111.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:21:16,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2598.73ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 35.5MB in the beginning and 48.3MB in the end (delta: -12.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.00ms. Allocated memory is still 119.5MB. Free memory was 48.3MB in the beginning and 37.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.12ms. Allocated memory is still 119.5MB. Free memory was 37.4MB in the beginning and 52.0MB in the end (delta: -14.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8917.00ms. Allocated memory was 119.5MB in the beginning and 247.5MB in the end (delta: 127.9MB). Free memory was 52.0MB in the beginning and 113.8MB in the end (delta: -61.8MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * TraceAbstraction took 132213.03ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 113.8MB in the beginning and 113.0MB in the end (delta: 856.2kB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 297.8MB. Free memory was 113.0MB in the beginning and 111.9MB 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 4578. Possible FailurePath: [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [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}; [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}; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [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}}}}}}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L5303] static u64 available_protocols ; [L6245] static int ldv_mutex_lock ; [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"}}; [L4885] struct device *dev_attr_protocols_group0 ; [L3301] int ref_cnt ; [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}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4894] struct device *rc_dev_type_group0 ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3412] int rc_core_debug ; [L4895] umode_t *ldvarg2 ; [L4884] char *ldvarg3 ; [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}; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4888] struct device *ldvarg1 ; [L5304] static struct work_struct wq_load ; [L4890] size_t ldvarg4 ; [L4887] char *ldvarg5 ; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L4889] int ldv_retval_0 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L3300] int ldv_state_variable_2 ; [L3298] int ldv_state_variable_3 ; [L3302] int ldv_state_variable_0 ; [L6449] static int ldv_mutex_mutex_of_device ; [L3299] int ldv_state_variable_1 ; VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [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={225:0}, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [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={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:6926538995811767888}, ldv_func_arg1={0:6926538995811767888}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:6926538995811767888}, ldv_func_arg1={0:6926538995811767888}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev->driver_type=-2147483648, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev->raw={-216172782114046208:216172782114046208}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [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={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={199:0}] [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={0:6926538995811766661}, available_protocols=0, count=0, data={0:2}, data={225:0}, descriptor={-9223363240224882480:0}, descriptor___0={4210724:0}, descriptor___1={220:0}, descriptor___2={224:0}, descriptor___3={2130094:0}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:2}, len=204, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, type={215:0}, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:2}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [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={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:2}, lock={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, 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={0:2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 131.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2315 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 6164 SdHoareTripleChecker+Invalid, 1.3s 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, 38.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11737 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 [2022-11-19 08:21:16,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15223b6f-d0d5-4d5c-a46c-c0643c183771/bin/utaipan-I9t0OCRTmS/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