./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7 --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 b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:05:59,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:05:59,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:05:59,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:05:59,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:05:59,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:05:59,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:05:59,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:05:59,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:05:59,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:05:59,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:05:59,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:05:59,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:05:59,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:05:59,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:05:59,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:05:59,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:05:59,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:05:59,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:05:59,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:05:59,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:05:59,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:05:59,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:05:59,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:05:59,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:05:59,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:05:59,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:05:59,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:05:59,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:05:59,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:05:59,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:05:59,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:05:59,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:05:59,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:05:59,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:05:59,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:05:59,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:05:59,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:05:59,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:05:59,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:05:59,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:05:59,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:05:59,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:05:59,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:05:59,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:05:59,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:05:59,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:05:59,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:05:59,547 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:05:59,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:05:59,548 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:05:59,548 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:05:59,549 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:05:59,549 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:05:59,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:05:59,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:05:59,550 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:05:59,551 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:05:59,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:05:59,551 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:05:59,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:05:59,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:05:59,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:05:59,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:05:59,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:05:59,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:05:59,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:05:59,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:05:59,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:05:59,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:05:59,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:05:59,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:05:59,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:05:59,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:05:59,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:05:59,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:05:59,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:05:59,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:05:59,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:05:59,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:05:59,557 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2021-11-25 20:05:59,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:05:59,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:05:59,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:05:59,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:05:59,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:05:59,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2021-11-25 20:05:59,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/data/2656f27b6/02255de54c144660b306aef3c601a601/FLAGc26573c9c [2021-11-25 20:06:00,556 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:06:00,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2021-11-25 20:06:00,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/data/2656f27b6/02255de54c144660b306aef3c601a601/FLAGc26573c9c [2021-11-25 20:06:00,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/data/2656f27b6/02255de54c144660b306aef3c601a601 [2021-11-25 20:06:00,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:06:00,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:06:00,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:00,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:06:00,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:06:00,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:00" (1/1) ... [2021-11-25 20:06:00,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b69acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:00, skipping insertion in model container [2021-11-25 20:06:00,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:00" (1/1) ... [2021-11-25 20:06:00,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:06:00,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:06:01,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2021-11-25 20:06:01,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:06:01,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:06:01,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2021-11-25 20:06:01,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:06:01,901 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:06:01,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01 WrapperNode [2021-11-25 20:06:01,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:01,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:06:01,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:06:01,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:06:01,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:01,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,000 INFO L137 Inliner]: procedures = 99, calls = 345, calls flagged for inlining = 40, calls inlined = 32, statements flattened = 740 [2021-11-25 20:06:02,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:06:02,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:06:02,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:06:02,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:06:02,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:06:02,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:06:02,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:06:02,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:06:02,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (1/1) ... [2021-11-25 20:06:02,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:06:02,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:06:02,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:06:02,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:06:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2021-11-25 20:06:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2021-11-25 20:06:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:06:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:06:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:06:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 20:06:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 20:06:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 20:06:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 20:06:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2021-11-25 20:06:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2021-11-25 20:06:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:06:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 20:06:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 20:06:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:06:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:06:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:06:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:06:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2021-11-25 20:06:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2021-11-25 20:06:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:06:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2021-11-25 20:06:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2021-11-25 20:06:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:06:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:06:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2021-11-25 20:06:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2021-11-25 20:06:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:06:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:06:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 20:06:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 20:06:02,450 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:06:02,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:06:03,237 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:06:03,443 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:06:03,443 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:06:03,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:03 BoogieIcfgContainer [2021-11-25 20:06:03,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:06:03,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:06:03,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:06:03,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:06:03,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:06:00" (1/3) ... [2021-11-25 20:06:03,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e0486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:03, skipping insertion in model container [2021-11-25 20:06:03,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:01" (2/3) ... [2021-11-25 20:06:03,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e0486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:03, skipping insertion in model container [2021-11-25 20:06:03,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:03" (3/3) ... [2021-11-25 20:06:03,462 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2021-11-25 20:06:03,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:06:03,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:06:03,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:06:03,521 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:06:03,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:06:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 81 states have internal predecessors, (114), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-25 20:06:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:06:03,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:03,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:03,549 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:03,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1688718875, now seen corresponding path program 1 times [2021-11-25 20:06:03,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:03,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865127759] [2021-11-25 20:06:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:03,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:04,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:04,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865127759] [2021-11-25 20:06:04,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865127759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:04,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:04,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:06:04,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335346447] [2021-11-25 20:06:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:04,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:04,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:04,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:04,087 INFO L87 Difference]: Start difference. First operand has 112 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 81 states have internal predecessors, (114), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-25 20:06:04,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:04,475 INFO L93 Difference]: Finished difference Result 320 states and 484 transitions. [2021-11-25 20:06:04,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:04,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2021-11-25 20:06:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:04,489 INFO L225 Difference]: With dead ends: 320 [2021-11-25 20:06:04,489 INFO L226 Difference]: Without dead ends: 207 [2021-11-25 20:06:04,493 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:04,497 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 133 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:04,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 260 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:06:04,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-25 20:06:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2021-11-25 20:06:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 138 states have (on average 1.5) internal successors, (207), 143 states have internal predecessors, (207), 46 states have call successors, (46), 19 states have call predecessors, (46), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 20:06:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 293 transitions. [2021-11-25 20:06:04,629 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 293 transitions. Word has length 11 [2021-11-25 20:06:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:04,631 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 293 transitions. [2021-11-25 20:06:04,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-25 20:06:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 293 transitions. [2021-11-25 20:06:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:06:04,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:04,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:04,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:06:04,638 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:04,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1536457042, now seen corresponding path program 1 times [2021-11-25 20:06:04,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:04,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908934176] [2021-11-25 20:06:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:04,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:04,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:04,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908934176] [2021-11-25 20:06:04,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908934176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:04,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:04,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:06:04,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797792377] [2021-11-25 20:06:04,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:04,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:04,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:04,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:04,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:04,764 INFO L87 Difference]: Start difference. First operand 203 states and 293 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-25 20:06:04,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:04,939 INFO L93 Difference]: Finished difference Result 205 states and 294 transitions. [2021-11-25 20:06:04,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:04,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 13 [2021-11-25 20:06:04,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:04,944 INFO L225 Difference]: With dead ends: 205 [2021-11-25 20:06:04,944 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 20:06:04,944 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:04,946 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:04,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 119 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:06:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 20:06:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-11-25 20:06:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 138 states have (on average 1.4927536231884058) internal successors, (206), 142 states have internal predecessors, (206), 45 states have call successors, (45), 19 states have call predecessors, (45), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 20:06:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 291 transitions. [2021-11-25 20:06:04,975 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 291 transitions. Word has length 13 [2021-11-25 20:06:04,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:04,976 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 291 transitions. [2021-11-25 20:06:04,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-25 20:06:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 291 transitions. [2021-11-25 20:06:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:06:04,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:04,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:04,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:06:04,978 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash -385642893, now seen corresponding path program 1 times [2021-11-25 20:06:04,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:04,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418166208] [2021-11-25 20:06:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:04,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:05,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:05,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418166208] [2021-11-25 20:06:05,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418166208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:05,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:05,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:06:05,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647898340] [2021-11-25 20:06:05,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:05,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:05,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:05,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:05,103 INFO L87 Difference]: Start difference. First operand 202 states and 291 transitions. 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, (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) [2021-11-25 20:06:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:05,264 INFO L93 Difference]: Finished difference Result 204 states and 292 transitions. [2021-11-25 20:06:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:05,265 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, (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 14 [2021-11-25 20:06:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:05,273 INFO L225 Difference]: With dead ends: 204 [2021-11-25 20:06:05,273 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 20:06:05,278 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:05,281 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 142 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:05,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 117 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:06:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 20:06:05,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 20:06:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 138 states have (on average 1.4855072463768115) internal successors, (205), 141 states have internal predecessors, (205), 44 states have call successors, (44), 19 states have call predecessors, (44), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 20:06:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 289 transitions. [2021-11-25 20:06:05,328 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 289 transitions. Word has length 14 [2021-11-25 20:06:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:05,330 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 289 transitions. [2021-11-25 20:06:05,330 INFO L471 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, (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) [2021-11-25 20:06:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 289 transitions. [2021-11-25 20:06:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:06:05,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:05,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:05,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:06:05,337 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:05,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:05,338 INFO L85 PathProgramCache]: Analyzing trace with hash 929862225, now seen corresponding path program 1 times [2021-11-25 20:06:05,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:05,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938153965] [2021-11-25 20:06:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:05,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:05,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:05,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938153965] [2021-11-25 20:06:05,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938153965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:05,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:05,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:06:05,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662245705] [2021-11-25 20:06:05,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:05,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:05,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:05,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:05,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:05,409 INFO L87 Difference]: Start difference. First operand 201 states and 289 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) [2021-11-25 20:06:05,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:05,586 INFO L93 Difference]: Finished difference Result 205 states and 291 transitions. [2021-11-25 20:06:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:05,587 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 [2021-11-25 20:06:05,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:05,588 INFO L225 Difference]: With dead ends: 205 [2021-11-25 20:06:05,589 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 20:06:05,589 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:05,590 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 120 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:05,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 123 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:06:05,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 20:06:05,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2021-11-25 20:06:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 138 states have (on average 1.463768115942029) internal successors, (202), 139 states have internal predecessors, (202), 42 states have call successors, (42), 19 states have call predecessors, (42), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 20:06:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 284 transitions. [2021-11-25 20:06:05,629 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 284 transitions. Word has length 15 [2021-11-25 20:06:05,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:05,630 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 284 transitions. [2021-11-25 20:06:05,631 INFO L471 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) [2021-11-25 20:06:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 284 transitions. [2021-11-25 20:06:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:06:05,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:05,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:05,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:06:05,635 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:05,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1239147210, now seen corresponding path program 1 times [2021-11-25 20:06:05,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:05,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563422469] [2021-11-25 20:06:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:05,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:05,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:05,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563422469] [2021-11-25 20:06:05,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563422469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:05,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:05,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:06:05,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277055034] [2021-11-25 20:06:05,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:05,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:05,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:05,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:05,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:05,761 INFO L87 Difference]: Start difference. First operand 199 states and 284 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) [2021-11-25 20:06:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:05,906 INFO L93 Difference]: Finished difference Result 201 states and 285 transitions. [2021-11-25 20:06:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:05,907 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 [2021-11-25 20:06:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:05,911 INFO L225 Difference]: With dead ends: 201 [2021-11-25 20:06:05,912 INFO L226 Difference]: Without dead ends: 193 [2021-11-25 20:06:05,912 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:05,917 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 134 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:05,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 112 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:06:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-25 20:06:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-11-25 20:06:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.4661654135338347) internal successors, (195), 133 states have internal predecessors, (195), 41 states have call successors, (41), 19 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 20:06:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 276 transitions. [2021-11-25 20:06:05,955 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 276 transitions. Word has length 16 [2021-11-25 20:06:05,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:05,955 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 276 transitions. [2021-11-25 20:06:05,955 INFO L471 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) [2021-11-25 20:06:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 276 transitions. [2021-11-25 20:06:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 20:06:05,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:05,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:05,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:06:05,959 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:05,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:05,959 INFO L85 PathProgramCache]: Analyzing trace with hash 612297933, now seen corresponding path program 1 times [2021-11-25 20:06:05,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:05,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390180045] [2021-11-25 20:06:05,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:05,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:06,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:06,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390180045] [2021-11-25 20:06:06,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390180045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:06,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:06,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:06,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881630841] [2021-11-25 20:06:06,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:06,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:06,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:06,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:06,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:06,027 INFO L87 Difference]: Start difference. First operand 193 states and 276 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:06:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:06,326 INFO L93 Difference]: Finished difference Result 397 states and 576 transitions. [2021-11-25 20:06:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:06,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2021-11-25 20:06:06,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:06,329 INFO L225 Difference]: With dead ends: 397 [2021-11-25 20:06:06,329 INFO L226 Difference]: Without dead ends: 205 [2021-11-25 20:06:06,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:06,332 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 75 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:06,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 214 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:06:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-25 20:06:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2021-11-25 20:06:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 150 states have (on average 1.5066666666666666) internal successors, (226), 150 states have internal predecessors, (226), 37 states have call successors, (37), 18 states have call predecessors, (37), 17 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-11-25 20:06:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 299 transitions. [2021-11-25 20:06:06,351 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 299 transitions. Word has length 35 [2021-11-25 20:06:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:06,351 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 299 transitions. [2021-11-25 20:06:06,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:06:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 299 transitions. [2021-11-25 20:06:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 20:06:06,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:06,354 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:06:06,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:06:06,355 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:06,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:06,355 INFO L85 PathProgramCache]: Analyzing trace with hash -380267748, now seen corresponding path program 1 times [2021-11-25 20:06:06,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:06,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831892833] [2021-11-25 20:06:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:06,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:06:06,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:06,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831892833] [2021-11-25 20:06:06,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831892833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:06,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:06,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:06,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086965658] [2021-11-25 20:06:06,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:06,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:06,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:06,443 INFO L87 Difference]: Start difference. First operand 205 states and 299 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-25 20:06:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:06,663 INFO L93 Difference]: Finished difference Result 205 states and 299 transitions. [2021-11-25 20:06:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:06,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2021-11-25 20:06:06,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:06,665 INFO L225 Difference]: With dead ends: 205 [2021-11-25 20:06:06,665 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:06:06,666 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:06:06,667 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 8 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:06,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 196 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:06:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:06:06,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:06:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:06:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:06:06,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-25 20:06:06,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:06,669 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:06:06,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-25 20:06:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:06:06,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:06:06,672 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:06:06,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:06:06,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:06:07,444 INFO L858 garLoopResultBuilder]: For program point L2945(lines 2945 2948) no Hoare annotation was computed. [2021-11-25 20:06:07,444 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_lock_mtx_of_isl_pmicEXIT(lines 2942 2952) no Hoare annotation was computed. [2021-11-25 20:06:07,444 INFO L858 garLoopResultBuilder]: For program point L2947-1(lines 2945 2948) no Hoare annotation was computed. [2021-11-25 20:06:07,444 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_lock_mtx_of_isl_pmicENTRY(lines 2942 2952) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (= ~ldv_mutex_mtx_of_isl_pmic~0 1) (not (= 1 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2021-11-25 20:06:07,445 INFO L854 garLoopResultBuilder]: At program point L2947(line 2947) the Hoare annotation is: (or (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2021-11-25 20:06:07,445 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_mtx_of_isl_pmicENTRY(lines 3000 3010) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 2 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2021-11-25 20:06:07,445 INFO L858 garLoopResultBuilder]: For program point L3005-1(lines 3003 3006) no Hoare annotation was computed. [2021-11-25 20:06:07,445 INFO L854 garLoopResultBuilder]: At program point L3005(line 3005) the Hoare annotation is: (or (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 2 |old(~ldv_mutex_mtx_of_isl_pmic~0)|)) (not (= ~ldv_mutex_lock~0 1))) [2021-11-25 20:06:07,445 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_mtx_of_isl_pmicEXIT(lines 3000 3010) no Hoare annotation was computed. [2021-11-25 20:06:07,445 INFO L858 garLoopResultBuilder]: For program point L3003(lines 3003 3006) no Hoare annotation was computed. [2021-11-25 20:06:07,445 INFO L858 garLoopResultBuilder]: For program point regulator_list_voltage_linearEXIT(lines 3204 3206) no Hoare annotation was computed. [2021-11-25 20:06:07,445 INFO L861 garLoopResultBuilder]: At program point regulator_list_voltage_linearENTRY(lines 3204 3206) the Hoare annotation is: true [2021-11-25 20:06:07,446 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 3197 3199) the Hoare annotation is: true [2021-11-25 20:06:07,446 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 3197 3199) no Hoare annotation was computed. [2021-11-25 20:06:07,446 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 3158 3164) the Hoare annotation is: true [2021-11-25 20:06:07,446 INFO L861 garLoopResultBuilder]: At program point L3162(line 3162) the Hoare annotation is: true [2021-11-25 20:06:07,446 INFO L858 garLoopResultBuilder]: For program point L3160(line 3160) no Hoare annotation was computed. [2021-11-25 20:06:07,446 INFO L858 garLoopResultBuilder]: For program point L3162-1(line 3162) no Hoare annotation was computed. [2021-11-25 20:06:07,446 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 3158 3164) no Hoare annotation was computed. [2021-11-25 20:06:07,446 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 3158 3164) no Hoare annotation was computed. [2021-11-25 20:06:07,447 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 2684 2689) the Hoare annotation is: true [2021-11-25 20:06:07,447 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2687) no Hoare annotation was computed. [2021-11-25 20:06:07,447 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2684 2689) no Hoare annotation was computed. [2021-11-25 20:06:07,447 INFO L861 garLoopResultBuilder]: At program point regulator_unregisterENTRY(lines 3214 3216) the Hoare annotation is: true [2021-11-25 20:06:07,447 INFO L858 garLoopResultBuilder]: For program point regulator_unregisterEXIT(lines 3214 3216) no Hoare annotation was computed. [2021-11-25 20:06:07,447 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 3190 3192) the Hoare annotation is: true [2021-11-25 20:06:07,447 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 3190 3192) no Hoare annotation was computed. [2021-11-25 20:06:07,448 INFO L858 garLoopResultBuilder]: For program point L2529(lines 2529 2533) no Hoare annotation was computed. [2021-11-25 20:06:07,448 INFO L854 garLoopResultBuilder]: At program point L2678(line 2678) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,448 INFO L854 garLoopResultBuilder]: At program point L2678-1(line 2678) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,448 INFO L854 garLoopResultBuilder]: At program point L2662(line 2662) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,448 INFO L854 garLoopResultBuilder]: At program point L2662-1(line 2662) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,448 INFO L854 garLoopResultBuilder]: At program point L2530(line 2530) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,448 INFO L858 garLoopResultBuilder]: For program point L2563(line 2563) no Hoare annotation was computed. [2021-11-25 20:06:07,449 INFO L858 garLoopResultBuilder]: For program point L2530-1(line 2530) no Hoare annotation was computed. [2021-11-25 20:06:07,449 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-25 20:06:07,449 INFO L854 garLoopResultBuilder]: At program point L2679(lines 2675 2682) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,449 INFO L854 garLoopResultBuilder]: At program point L2663(lines 2659 2666) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,449 INFO L858 garLoopResultBuilder]: For program point L2564(lines 2564 2579) no Hoare annotation was computed. [2021-11-25 20:06:07,449 INFO L854 garLoopResultBuilder]: At program point L2366(line 2366) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,449 INFO L858 garLoopResultBuilder]: For program point L2366-1(line 2366) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L3126(lines 3126 3129) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L2499(line 2499) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L854 garLoopResultBuilder]: At program point L2367(lines 2310 2376) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L2549(line 2549) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L854 garLoopResultBuilder]: At program point L2500(lines 2500 2515) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,450 INFO L854 garLoopResultBuilder]: At program point L3128(line 3128) the Hoare annotation is: false [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L2550(lines 2550 2554) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L3128-1(lines 3125 3143) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L858 garLoopResultBuilder]: For program point L2567(line 2567) no Hoare annotation was computed. [2021-11-25 20:06:07,450 INFO L854 garLoopResultBuilder]: At program point L2369(lines 2369 2373) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,451 INFO L854 garLoopResultBuilder]: At program point L2584(lines 2447 2589) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,451 INFO L854 garLoopResultBuilder]: At program point L3212(line 3212) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,451 INFO L854 garLoopResultBuilder]: At program point L3212-1(line 3212) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,451 INFO L858 garLoopResultBuilder]: For program point L2568(lines 2568 2572) no Hoare annotation was computed. [2021-11-25 20:06:07,451 INFO L854 garLoopResultBuilder]: At program point L2535(line 2535) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,451 INFO L858 garLoopResultBuilder]: For program point L2502-2(lines 2500 2514) no Hoare annotation was computed. [2021-11-25 20:06:07,451 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:06:07,452 INFO L854 garLoopResultBuilder]: At program point L2354(lines 2310 2376) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,452 INFO L858 garLoopResultBuilder]: For program point L2321(lines 2321 2324) no Hoare annotation was computed. [2021-11-25 20:06:07,452 INFO L858 garLoopResultBuilder]: For program point L2569-1(line 2569) no Hoare annotation was computed. [2021-11-25 20:06:07,452 INFO L854 garLoopResultBuilder]: At program point L2569(line 2569) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,452 INFO L858 garLoopResultBuilder]: For program point L2487(line 2487) no Hoare annotation was computed. [2021-11-25 20:06:07,452 INFO L854 garLoopResultBuilder]: At program point L2388(line 2388) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,452 INFO L858 garLoopResultBuilder]: For program point L2388-1(line 2388) no Hoare annotation was computed. [2021-11-25 20:06:07,452 INFO L854 garLoopResultBuilder]: At program point L3132(line 3132) the Hoare annotation is: false [2021-11-25 20:06:07,452 INFO L858 garLoopResultBuilder]: For program point L3132-1(lines 3125 3143) no Hoare annotation was computed. [2021-11-25 20:06:07,453 INFO L858 garLoopResultBuilder]: For program point L2488(lines 2488 2522) no Hoare annotation was computed. [2021-11-25 20:06:07,453 INFO L858 garLoopResultBuilder]: For program point L2257-1(line 2257) no Hoare annotation was computed. [2021-11-25 20:06:07,453 INFO L854 garLoopResultBuilder]: At program point L2257(line 2257) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,453 INFO L854 garLoopResultBuilder]: At program point L2670(line 2670) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,453 INFO L854 garLoopResultBuilder]: At program point L2670-1(line 2670) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,453 INFO L858 garLoopResultBuilder]: For program point L2472(line 2472) no Hoare annotation was computed. [2021-11-25 20:06:07,453 INFO L854 garLoopResultBuilder]: At program point L2274(line 2274) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,454 INFO L858 garLoopResultBuilder]: For program point L2274-1(line 2274) no Hoare annotation was computed. [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L3166(line 3166) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L2654(line 2654) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L3166-1(line 3166) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L2654-1(line 2654) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L2390(lines 2382 2398) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,454 INFO L854 garLoopResultBuilder]: At program point L2671(lines 2667 2674) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,454 INFO L858 garLoopResultBuilder]: For program point L2473(lines 2473 2478) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L854 garLoopResultBuilder]: At program point L2655(lines 2651 2658) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:06:07,455 INFO L858 garLoopResultBuilder]: For program point L2457(line 2457) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L854 garLoopResultBuilder]: At program point L2375(lines 2299 2377) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,455 INFO L858 garLoopResultBuilder]: For program point L2524(line 2524) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L858 garLoopResultBuilder]: For program point L2458(lines 2458 2485) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L858 garLoopResultBuilder]: For program point L2491(line 2491) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L854 garLoopResultBuilder]: At program point L3136(line 3136) the Hoare annotation is: false [2021-11-25 20:06:07,455 INFO L858 garLoopResultBuilder]: For program point L3136-1(lines 3125 3143) no Hoare annotation was computed. [2021-11-25 20:06:07,455 INFO L854 garLoopResultBuilder]: At program point L2492(lines 2492 2497) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,456 INFO L858 garLoopResultBuilder]: For program point L2525(lines 2525 2561) no Hoare annotation was computed. [2021-11-25 20:06:07,456 INFO L854 garLoopResultBuilder]: At program point L2327(lines 2327 2330) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,456 INFO L858 garLoopResultBuilder]: For program point L2542(line 2542) no Hoare annotation was computed. [2021-11-25 20:06:07,456 INFO L858 garLoopResultBuilder]: For program point L2543(lines 2543 2547) no Hoare annotation was computed. [2021-11-25 20:06:07,456 INFO L858 garLoopResultBuilder]: For program point L2345-1(line 2345) no Hoare annotation was computed. [2021-11-25 20:06:07,456 INFO L854 garLoopResultBuilder]: At program point L2345(line 2345) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,456 INFO L858 garLoopResultBuilder]: For program point L2461(line 2461) no Hoare annotation was computed. [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L2511(lines 2447 2589) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L2346(lines 2346 2352) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,457 INFO L858 garLoopResultBuilder]: For program point L2528(line 2528) no Hoare annotation was computed. [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L2462(lines 2462 2470) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L3173-1(line 3173) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L3140(line 3140) the Hoare annotation is: false [2021-11-25 20:06:07,457 INFO L854 garLoopResultBuilder]: At program point L3173(line 3173) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2021-11-25 20:06:07,457 INFO L861 garLoopResultBuilder]: At program point L3140-1(lines 3123 3144) the Hoare annotation is: true [2021-11-25 20:06:07,458 INFO L858 garLoopResultBuilder]: For program point L3201-1(line 3201) no Hoare annotation was computed. [2021-11-25 20:06:07,458 INFO L858 garLoopResultBuilder]: For program point rdev_get_drvdataEXIT(lines 3200 3202) no Hoare annotation was computed. [2021-11-25 20:06:07,458 INFO L861 garLoopResultBuilder]: At program point L3201(line 3201) the Hoare annotation is: true [2021-11-25 20:06:07,458 INFO L861 garLoopResultBuilder]: At program point rdev_get_drvdataENTRY(lines 3200 3202) the Hoare annotation is: true [2021-11-25 20:06:07,458 INFO L861 garLoopResultBuilder]: At program point IS_ERRENTRY(lines 2172 2178) the Hoare annotation is: true [2021-11-25 20:06:07,458 INFO L858 garLoopResultBuilder]: For program point IS_ERREXIT(lines 2172 2178) no Hoare annotation was computed. [2021-11-25 20:06:07,461 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:07,462 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:06:07,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:06:07 BoogieIcfgContainer [2021-11-25 20:06:07,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:06:07,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:06:07,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:06:07,481 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:06:07,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:03" (3/4) ... [2021-11-25 20:06:07,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:06:07,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-25 20:06:07,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2021-11-25 20:06:07,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2021-11-25 20:06:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2021-11-25 20:06:07,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2021-11-25 20:06:07,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-25 20:06:07,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 20:06:07,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 20:06:07,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:06:07,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:06:07,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:06:07,703 INFO L158 Benchmark]: Toolchain (without parser) took 6952.03ms. Allocated memory was 121.6MB in the beginning and 230.7MB in the end (delta: 109.1MB). Free memory was 89.3MB in the beginning and 87.1MB in the end (delta: 2.2MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,703 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:06:07,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1150.73ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 88.9MB in the beginning and 109.3MB in the end (delta: -20.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.80ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,704 INFO L158 Benchmark]: Boogie Preprocessor took 97.65ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,705 INFO L158 Benchmark]: RCFGBuilder took 1347.31ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 76.6MB in the end (delta: 22.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,705 INFO L158 Benchmark]: TraceAbstraction took 4026.45ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 76.2MB in the beginning and 118.6MB in the end (delta: -42.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,705 INFO L158 Benchmark]: Witness Printer took 220.10ms. Allocated memory is still 230.7MB. Free memory was 118.6MB in the beginning and 87.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-25 20:06:07,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1150.73ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 88.9MB in the beginning and 109.3MB in the end (delta: -20.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.80ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.65ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1347.31ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 76.6MB in the end (delta: 22.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4026.45ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 76.2MB in the beginning and 118.6MB in the end (delta: -42.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 220.10ms. Allocated memory is still 230.7MB. Free memory was 118.6MB in the beginning and 87.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 757 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 757 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 413 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 821 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=6, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 199 PreInvPairs, 280 NumberOfFragments, 584 HoareAnnotationTreeSize, 199 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 1447 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2492]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2346]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2535]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2327]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2382]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2369]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2659]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2310]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2500]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3173]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3212]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2462]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2667]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_mtx_of_isl_pmic == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3166]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2310]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2675]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_mtx_of_isl_pmic == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:06:07,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9529c681-f305-4fbd-9878-5af0255decca/bin/utaipan-eEHZpOm5b7/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: TRUE