./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.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_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/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_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/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_66373c11-1527-4416-98ee-78ecc4e2b35a/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 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:22:58,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:22:58,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:22:58,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:22:58,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:22:58,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:22:58,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:22:58,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:22:58,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:22:58,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:22:58,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:22:58,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:22:58,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:22:58,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:22:58,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:22:58,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:22:58,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:22:58,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:22:58,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:22:58,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:22:58,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:22:58,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:22:58,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:22:58,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:22:58,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:22:58,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:22:58,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:22:58,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:22:58,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:22:58,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:22:58,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:22:58,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:22:58,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:22:58,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:22:58,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:22:58,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:22:58,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:22:58,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:22:58,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:22:58,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:22:58,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:22:58,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:22:58,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:22:58,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:22:58,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:22:58,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:22:58,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:22:58,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:22:58,709 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:22:58,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:22:58,710 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:22:58,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:22:58,710 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:22:58,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:22:58,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:22:58,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:22:58,711 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:22:58,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:22:58,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:22:58,712 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:22:58,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:22:58,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:22:58,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:22:58,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:22:58,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:22:58,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:22:58,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:22:58,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:22:58,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:22:58,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:22:58,715 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:22:58,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:22:58,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:22:58,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:22:58,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:22:58,716 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_66373c11-1527-4416-98ee-78ecc4e2b35a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2021-11-25 18:22:58,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:22:58,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:22:58,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:22:58,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:22:58,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:22:58,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-25 18:22:59,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/data/6c0c28880/b4f6ab02332e45b0b007c64a94cf3afd/FLAGa2622de93 [2021-11-25 18:23:00,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:00,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-25 18:23:00,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/data/6c0c28880/b4f6ab02332e45b0b007c64a94cf3afd/FLAGa2622de93 [2021-11-25 18:23:00,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/data/6c0c28880/b4f6ab02332e45b0b007c64a94cf3afd [2021-11-25 18:23:00,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:00,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:00,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:00,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:00,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:00,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:00" (1/1) ... [2021-11-25 18:23:00,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3eb4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:00, skipping insertion in model container [2021-11-25 18:23:00,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:00" (1/1) ... [2021-11-25 18:23:00,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:00,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:01,816 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_66373c11-1527-4416-98ee-78ecc4e2b35a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-25 18:23:06,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:06,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:06,754 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_66373c11-1527-4416-98ee-78ecc4e2b35a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-25 18:23:07,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:07,801 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:07,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07 WrapperNode [2021-11-25 18:23:07,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:07,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:07,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:07,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:07,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:08,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:08,787 INFO L137 Inliner]: procedures = 476, calls = 9531, calls flagged for inlining = 212, calls inlined = 205, statements flattened = 20967 [2021-11-25 18:23:08,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:08,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:08,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:08,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:08,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:08,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:08,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:08,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:09,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:09,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:09,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:09,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:09,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:09,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:09,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:09,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (1/1) ... [2021-11-25 18:23:09,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:09,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:09,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_config_rf_radio_a [2021-11-25 18:23:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_config_rf_radio_a [2021-11-25 18:23:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure phy_similarity_cmp [2021-11-25 18:23:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_similarity_cmp [2021-11-25 18:23:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_init_led [2021-11-25 18:23:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_init_led [2021-11-25 18:23:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_path_adda_on [2021-11-25 18:23:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_path_adda_on [2021-11-25 18:23:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_btc_status [2021-11-25 18:23:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_btc_status [2021-11-25 18:23:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure phy_conv_dbm_to_rel [2021-11-25 18:23:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_conv_dbm_to_rel [2021-11-25 18:23:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_reload_adda_registers [2021-11-25 18:23:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_reload_adda_registers [2021-11-25 18:23:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:23:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:23:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_hw_init [2021-11-25 18:23:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_hw_init [2021-11-25 18:23:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-25 18:23:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-25 18:23:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-25 18:23:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-25 18:23:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-25 18:23:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-25 18:23:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure phy_get_txpwr_by_rate_base [2021-11-25 18:23:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_get_txpwr_by_rate_base [2021-11-25 18:23:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-25 18:23:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-25 18:23:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_hal_rate_tbl [2021-11-25 18:23:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_hal_rate_tbl [2021-11-25 18:23:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-25 18:23:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-25 18:23:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:23:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:23:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~bool~0 [2021-11-25 18:23:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~bool~0 [2021-11-25 18:23:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:23:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:23:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_watchdog [2021-11-25 18:23:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_watchdog [2021-11-25 18:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-25 18:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-25 18:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_gpio_radio_on_off_checking [2021-11-25 18:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_gpio_radio_on_off_checking [2021-11-25 18:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_rx_query_desc [2021-11-25 18:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_rx_query_desc [2021-11-25 18:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-25 18:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_rf_serial_read [2021-11-25 18:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_rf_serial_read [2021-11-25 18:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_bcn_ctrl_reg [2021-11-25 18:23:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_bcn_ctrl_reg [2021-11-25 18:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_resume_tx_beacon [2021-11-25 18:23:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_resume_tx_beacon [2021-11-25 18:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_query_bb_reg [2021-11-25 18:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_query_bb_reg [2021-11-25 18:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_config_bb_with_headerfile [2021-11-25 18:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_config_bb_with_headerfile [2021-11-25 18:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_calculate_bit_shift [2021-11-25 18:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_calculate_bit_shift [2021-11-25 18:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-25 18:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-25 18:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 18:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 18:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-25 18:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-25 18:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-25 18:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-25 18:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_resume [2021-11-25 18:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_resume [2021-11-25 18:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_fw_rsvdpagepkt [2021-11-25 18:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_fw_rsvdpagepkt [2021-11-25 18:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_23 [2021-11-25 18:23:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_23 [2021-11-25 18:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 18:23:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 18:23:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_dm_init_edca_turbo [2021-11-25 18:23:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_dm_init_edca_turbo [2021-11-25 18:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_leds [2021-11-25 18:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_leds [2021-11-25 18:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_interrupt_recognized [2021-11-25 18:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_interrupt_recognized [2021-11-25 18:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-25 18:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-25 18:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_on [2021-11-25 18:23:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_on [2021-11-25 18:23:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-25 18:23:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-25 18:23:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-25 18:23:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-25 18:23:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_set_txpower_index [2021-11-25 18:23:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_set_txpower_index [2021-11-25 18:23:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_hw_security_config [2021-11-25 18:23:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_hw_security_config [2021-11-25 18:23:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_query_rf_reg [2021-11-25 18:23:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_query_rf_reg [2021-11-25 18:23:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-25 18:23:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_save_adda_registers [2021-11-25 18:23:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_save_adda_registers [2021-11-25 18:23:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-25 18:23:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-25 18:23:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_polling [2021-11-25 18:23:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_polling [2021-11-25 18:23:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_cmd_send_packet [2021-11-25 18:23:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_cmd_send_packet [2021-11-25 18:23:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_led_control [2021-11-25 18:23:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_led_control [2021-11-25 18:23:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_check_bssid [2021-11-25 18:23:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_check_bssid [2021-11-25 18:23:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_disable_interrupt [2021-11-25 18:23:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_disable_interrupt [2021-11-25 18:23:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:23:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:23:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:23:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:23:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_hw_reg [2021-11-25 18:23:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_hw_reg [2021-11-25 18:23:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:23:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:23:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_hdr [2021-11-25 18:23:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_hdr [2021-11-25 18:23:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hal_pwrseqcmdparsing [2021-11-25 18:23:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hal_pwrseqcmdparsing [2021-11-25 18:23:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_sw_chnl [2021-11-25 18:23:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_sw_chnl [2021-11-25 18:23:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:23:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:23:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_interrupt [2021-11-25 18:23:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_interrupt [2021-11-25 18:23:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_off [2021-11-25 18:23:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_off [2021-11-25 18:23:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_off [2021-11-25 18:23:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_off [2021-11-25 18:23:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-25 18:23:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-25 18:23:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_desc [2021-11-25 18:23:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_desc [2021-11-25 18:23:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_power_state [2021-11-25 18:23:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_power_state [2021-11-25 18:23:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 18:23:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 18:23:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_media_status [2021-11-25 18:23:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_media_status [2021-11-25 18:23:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:23:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:23:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:23:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:23:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_qos [2021-11-25 18:23:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_qos [2021-11-25 18:23:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-25 18:23:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-25 18:23:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-25 18:23:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-25 18:23:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_txpower_level [2021-11-25 18:23:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_txpower_level [2021-11-25 18:23:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-25 18:23:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-25 18:23:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_sw_chnl_cmdarray [2021-11-25 18:23:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_sw_chnl_cmdarray [2021-11-25 18:23:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 18:23:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 18:23:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_suspend [2021-11-25 18:23:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_suspend [2021-11-25 18:23:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_check_txpower_tracking [2021-11-25 18:23:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_check_txpower_tracking [2021-11-25 18:23:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_ps_rf_on [2021-11-25 18:23:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_ps_rf_on [2021-11-25 18:23:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_scan_operation_backup [2021-11-25 18:23:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_scan_operation_backup [2021-11-25 18:23:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-25 18:23:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-25 18:23:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_iq_calibrate [2021-11-25 18:23:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_iq_calibrate [2021-11-25 18:23:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_iqk_matrix [2021-11-25 18:23:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_iqk_matrix [2021-11-25 18:23:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_key [2021-11-25 18:23:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_key [2021-11-25 18:23:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-25 18:23:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-25 18:23:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-25 18:23:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-25 18:23:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-25 18:23:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-25 18:23:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:23:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:23:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-25 18:23:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-25 18:23:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:23:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:23:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-25 18:23:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-25 18:23:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:23:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:23:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:23:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:23:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-25 18:23:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-25 18:23:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_channel_access_setting [2021-11-25 18:23:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_channel_access_setting [2021-11-25 18:23:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:23:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_tx_power_track_set_power [2021-11-25 18:23:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_tx_power_track_set_power [2021-11-25 18:23:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_vars [2021-11-25 18:23:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_vars [2021-11-25 18:23:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_desc [2021-11-25 18:23:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_desc [2021-11-25 18:23:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure phy_set_txpwr_by_rate_base [2021-11-25 18:23:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_set_txpwr_by_rate_base [2021-11-25 18:23:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:23:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-25 18:23:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-25 18:23:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_pi_mode_switch [2021-11-25 18:23:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_pi_mode_switch [2021-11-25 18:23:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_hw_reg [2021-11-25 18:23:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_hw_reg [2021-11-25 18:23:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-25 18:23:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-25 18:23:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-25 18:23:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-25 18:23:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_enter [2021-11-25 18:23:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_enter [2021-11-25 18:23:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_leave [2021-11-25 18:23:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_leave [2021-11-25 18:23:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:23:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_get_txpower_index [2021-11-25 18:23:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_get_txpower_index [2021-11-25 18:23:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2021-11-25 18:23:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2021-11-25 18:23:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 18:23:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 18:23:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_related_registers [2021-11-25 18:23:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_related_registers [2021-11-25 18:23:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_reg [2021-11-25 18:23:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_reg [2021-11-25 18:23:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_desc [2021-11-25 18:23:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_desc [2021-11-25 18:23:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_stop_tx_beacon [2021-11-25 18:23:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_stop_tx_beacon [2021-11-25 18:23:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_deinit_sw_vars [2021-11-25 18:23:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_deinit_sw_vars [2021-11-25 18:23:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:23:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:23:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-25 18:23:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-25 18:23:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-25 18:23:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-25 18:23:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-25 18:23:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-25 18:23:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-25 18:23:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-25 18:23:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_card_disable [2021-11-25 18:23:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_card_disable [2021-11-25 18:23:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 18:23:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 18:23:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_interrupt_mask [2021-11-25 18:23:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_interrupt_mask [2021-11-25 18:23:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-25 18:23:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-25 18:23:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-25 18:23:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-25 18:23:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_network_type [2021-11-25 18:23:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_network_type [2021-11-25 18:23:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:23:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:23:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-25 18:23:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-25 18:23:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-25 18:23:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-25 18:23:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_bw_mode [2021-11-25 18:23:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_bw_mode [2021-11-25 18:23:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_header [2021-11-25 18:23:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_header [2021-11-25 18:23:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:23:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:23:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-25 18:23:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-25 18:23:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_read_eeprom_info [2021-11-25 18:23:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_read_eeprom_info [2021-11-25 18:23:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_interval [2021-11-25 18:23:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_interval [2021-11-25 18:23:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-25 18:23:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-25 18:23:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_is_tx_desc_closed [2021-11-25 18:23:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_is_tx_desc_closed [2021-11-25 18:23:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_llt_write [2021-11-25 18:23:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_llt_write [2021-11-25 18:23:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_bb_delay [2021-11-25 18:23:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_bb_delay [2021-11-25 18:23:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_bb_reg [2021-11-25 18:23:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_bb_reg [2021-11-25 18:23:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_on [2021-11-25 18:23:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_on [2021-11-25 18:23:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-25 18:23:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-25 18:23:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_fw_read_last_h2c [2021-11-25 18:23:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_fw_read_last_h2c [2021-11-25 18:23:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:23:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:23:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:23:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:23:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_lc_calibrate [2021-11-25 18:23:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_lc_calibrate [2021-11-25 18:23:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_condition [2021-11-25 18:23:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_condition [2021-11-25 18:23:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_cmddesc [2021-11-25 18:23:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_cmddesc [2021-11-25 18:23:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-25 18:23:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-25 18:23:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_config_rf_with_headerfile [2021-11-25 18:23:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_config_rf_with_headerfile [2021-11-25 18:23:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-25 18:23:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_fill_h2c_cmd [2021-11-25 18:23:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_fill_h2c_cmd [2021-11-25 18:23:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-25 18:23:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-25 18:23:11,613 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:11,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:12,132 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:25:24,306 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:25:32,148 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:25:32,148 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 18:25:32,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:32 BoogieIcfgContainer [2021-11-25 18:25:32,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:25:32,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:25:32,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:25:32,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:25:32,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:00" (1/3) ... [2021-11-25 18:25:32,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698dc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:32, skipping insertion in model container [2021-11-25 18:25:32,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:07" (2/3) ... [2021-11-25 18:25:32,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698dc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:32, skipping insertion in model container [2021-11-25 18:25:32,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:32" (3/3) ... [2021-11-25 18:25:32,169 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-25 18:25:32,175 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:25:32,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:25:32,248 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:25:32,255 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 18:25:32,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:25:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 4936 states, 3047 states have (on average 1.3803741384968822) internal successors, (4206), 3195 states have internal predecessors, (4206), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) [2021-11-25 18:25:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-25 18:25:32,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:32,383 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:32,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:25:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1007042671, now seen corresponding path program 1 times [2021-11-25 18:25:32,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431248113] [2021-11-25 18:25:32,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:32,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:25:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:25:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-11-25 18:25:34,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:25:34,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431248113] [2021-11-25 18:25:34,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431248113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:25:34,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:25:34,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:25:34,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583315611] [2021-11-25 18:25:34,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:25:34,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:25:34,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:25:34,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:25:34,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:25:34,362 INFO L87 Difference]: Start difference. First operand has 4936 states, 3047 states have (on average 1.3803741384968822) internal successors, (4206), 3195 states have internal predecessors, (4206), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-25 18:25:36,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:39,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:41,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:45,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:48,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:52,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:55,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:57,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:25:57,984 INFO L93 Difference]: Finished difference Result 11651 states and 18106 transitions. [2021-11-25 18:25:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:25:57,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 207 [2021-11-25 18:25:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:25:58,077 INFO L225 Difference]: With dead ends: 11651 [2021-11-25 18:25:58,078 INFO L226 Difference]: Without dead ends: 7293 [2021-11-25 18:25:58,117 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 18:25:58,121 INFO L933 BasicCegarLoop]: 7381 mSDtfsCounter, 5510 mSDsluCounter, 6227 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 13235 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:25:58,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5522 Valid, 13235 Invalid, 820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 797 Invalid, 8 Unknown, 0 Unchecked, 22.8s Time] [2021-11-25 18:25:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2021-11-25 18:25:59,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7286. [2021-11-25 18:25:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7286 states, 4606 states have (on average 1.3758141554494139) internal successors, (6337), 4813 states have internal predecessors, (6337), 2423 states have call successors, (2423), 258 states have call predecessors, (2423), 256 states have return successors, (2430), 2303 states have call predecessors, (2430), 2422 states have call successors, (2430) [2021-11-25 18:25:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 11190 transitions. [2021-11-25 18:25:59,404 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 11190 transitions. Word has length 207 [2021-11-25 18:25:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:25:59,409 INFO L470 AbstractCegarLoop]: Abstraction has 7286 states and 11190 transitions. [2021-11-25 18:25:59,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-25 18:25:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 11190 transitions. [2021-11-25 18:25:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 18:25:59,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:59,425 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:59,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:25:59,426 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:25:59,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1926210055, now seen corresponding path program 1 times [2021-11-25 18:25:59,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:59,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62973816] [2021-11-25 18:25:59,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:59,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-11-25 18:26:01,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:01,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62973816] [2021-11-25 18:26:01,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62973816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:01,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:01,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:26:01,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86174250] [2021-11-25 18:26:01,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:01,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:26:01,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:01,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:26:01,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:26:01,022 INFO L87 Difference]: Start difference. First operand 7286 states and 11190 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-25 18:26:03,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:06,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:08,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:12,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:15,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:16,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:19,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:23,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:25,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:27,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:28,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:31,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:34,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:37,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:37,503 INFO L93 Difference]: Finished difference Result 14209 states and 21957 transitions. [2021-11-25 18:26:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:26:37,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 210 [2021-11-25 18:26:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:37,626 INFO L225 Difference]: With dead ends: 14209 [2021-11-25 18:26:37,626 INFO L226 Difference]: Without dead ends: 14204 [2021-11-25 18:26:37,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:26:37,641 INFO L933 BasicCegarLoop]: 7472 mSDtfsCounter, 5375 mSDsluCounter, 13853 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5382 SdHoareTripleChecker+Valid, 20550 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:37,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5382 Valid, 20550 Invalid, 1229 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1217 Invalid, 12 Unknown, 0 Unchecked, 36.0s Time] [2021-11-25 18:26:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14204 states. [2021-11-25 18:26:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14204 to 14190. [2021-11-25 18:26:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14190 states, 8992 states have (on average 1.3772241992882561) internal successors, (12384), 9393 states have internal predecessors, (12384), 4694 states have call successors, (4694), 507 states have call predecessors, (4694), 503 states have return successors, (4856), 4454 states have call predecessors, (4856), 4693 states have call successors, (4856) [2021-11-25 18:26:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14190 states to 14190 states and 21934 transitions. [2021-11-25 18:26:39,083 INFO L78 Accepts]: Start accepts. Automaton has 14190 states and 21934 transitions. Word has length 210 [2021-11-25 18:26:39,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:39,084 INFO L470 AbstractCegarLoop]: Abstraction has 14190 states and 21934 transitions. [2021-11-25 18:26:39,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-25 18:26:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14190 states and 21934 transitions. [2021-11-25 18:26:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-25 18:26:39,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:39,104 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:39,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:26:39,105 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:39,106 INFO L85 PathProgramCache]: Analyzing trace with hash 621069605, now seen corresponding path program 1 times [2021-11-25 18:26:39,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:39,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684561303] [2021-11-25 18:26:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:39,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2021-11-25 18:26:40,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:40,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684561303] [2021-11-25 18:26:40,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684561303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:40,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:40,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:40,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862072968] [2021-11-25 18:26:40,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:40,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:40,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:40,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:40,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:40,526 INFO L87 Difference]: Start difference. First operand 14190 states and 21934 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-25 18:26:42,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:45,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:47,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:50,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:53,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:56,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:58,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:02,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:04,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:05,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:08,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:08,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:08,231 INFO L93 Difference]: Finished difference Result 28618 states and 44248 transitions. [2021-11-25 18:27:08,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:08,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 271 [2021-11-25 18:27:08,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:08,335 INFO L225 Difference]: With dead ends: 28618 [2021-11-25 18:27:08,336 INFO L226 Difference]: Without dead ends: 14499 [2021-11-25 18:27:08,422 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 18:27:08,423 INFO L933 BasicCegarLoop]: 5603 mSDtfsCounter, 128 mSDsluCounter, 5709 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 10955 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:08,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 10955 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 955 Invalid, 9 Unknown, 0 Unchecked, 27.2s Time] [2021-11-25 18:27:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14499 states. [2021-11-25 18:27:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14499 to 14492. [2021-11-25 18:27:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14492 states, 9246 states have (on average 1.3839498161367079) internal successors, (12796), 9649 states have internal predecessors, (12796), 4726 states have call successors, (4726), 523 states have call predecessors, (4726), 519 states have return successors, (4888), 4484 states have call predecessors, (4888), 4725 states have call successors, (4888) [2021-11-25 18:27:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14492 states to 14492 states and 22410 transitions. [2021-11-25 18:27:09,655 INFO L78 Accepts]: Start accepts. Automaton has 14492 states and 22410 transitions. Word has length 271 [2021-11-25 18:27:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:09,656 INFO L470 AbstractCegarLoop]: Abstraction has 14492 states and 22410 transitions. [2021-11-25 18:27:09,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-25 18:27:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14492 states and 22410 transitions. [2021-11-25 18:27:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 18:27:09,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:09,676 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:09,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:27:09,677 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:09,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash 540478531, now seen corresponding path program 1 times [2021-11-25 18:27:09,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:09,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944489901] [2021-11-25 18:27:09,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:09,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2021-11-25 18:27:10,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:10,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944489901] [2021-11-25 18:27:10,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944489901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:10,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:10,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:10,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56178767] [2021-11-25 18:27:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:10,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:10,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:10,887 INFO L87 Difference]: Start difference. First operand 14492 states and 22410 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-25 18:27:13,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:15,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:17,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:21,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:24,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:26,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:30,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:33,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:36,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:38,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:39,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:39,736 INFO L93 Difference]: Finished difference Result 41931 states and 64875 transitions. [2021-11-25 18:27:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:39,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 307 [2021-11-25 18:27:39,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:39,880 INFO L225 Difference]: With dead ends: 41931 [2021-11-25 18:27:39,880 INFO L226 Difference]: Without dead ends: 27478 [2021-11-25 18:27:39,939 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 18:27:39,940 INFO L933 BasicCegarLoop]: 7220 mSDtfsCounter, 5282 mSDsluCounter, 5630 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 150 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5288 SdHoareTripleChecker+Valid, 12492 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:39,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5288 Valid, 12492 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1034 Invalid, 9 Unknown, 0 Unchecked, 28.3s Time] [2021-11-25 18:27:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27478 states. [2021-11-25 18:27:42,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27478 to 27458. [2021-11-25 18:27:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27458 states, 17514 states have (on average 1.3718739294278863) internal successors, (24027), 18317 states have internal predecessors, (24027), 8944 states have call successors, (8944), 1011 states have call predecessors, (8944), 999 states have return successors, (9229), 8458 states have call predecessors, (9229), 8943 states have call successors, (9229) [2021-11-25 18:27:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27458 states to 27458 states and 42200 transitions. [2021-11-25 18:27:42,547 INFO L78 Accepts]: Start accepts. Automaton has 27458 states and 42200 transitions. Word has length 307 [2021-11-25 18:27:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:42,552 INFO L470 AbstractCegarLoop]: Abstraction has 27458 states and 42200 transitions. [2021-11-25 18:27:42,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-25 18:27:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27458 states and 42200 transitions. [2021-11-25 18:27:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 18:27:42,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:42,569 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:42,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:27:42,570 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:42,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:42,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1585091167, now seen corresponding path program 1 times [2021-11-25 18:27:42,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:42,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841104253] [2021-11-25 18:27:42,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:42,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-25 18:27:44,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:44,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841104253] [2021-11-25 18:27:44,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841104253] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:27:44,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838821270] [2021-11-25 18:27:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:44,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:27:44,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:27:44,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:27:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:27:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:47,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 14120 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 18:27:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:27:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2021-11-25 18:27:49,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:27:49,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838821270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:49,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:27:49,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2021-11-25 18:27:49,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670526978] [2021-11-25 18:27:49,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:49,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:27:49,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:49,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:27:49,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:27:49,098 INFO L87 Difference]: Start difference. First operand 27458 states and 42200 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-25 18:27:51,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:54,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:57,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:59,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:07,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:15,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:19,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:22,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:23,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:34,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:36,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:39,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:43,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:49,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:51,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:55,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:57,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:59,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:00,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:04,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:06,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:09,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:11,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:17,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:29:19,482 INFO L93 Difference]: Finished difference Result 43593 states and 67472 transitions. [2021-11-25 18:29:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:29:19,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 307 [2021-11-25 18:29:19,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:29:19,733 INFO L225 Difference]: With dead ends: 43593 [2021-11-25 18:29:19,733 INFO L226 Difference]: Without dead ends: 43588 [2021-11-25 18:29:19,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:29:19,758 INFO L933 BasicCegarLoop]: 5010 mSDtfsCounter, 8199 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 12271 mSolverCounterSat, 5427 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9386 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 17717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5427 IncrementalHoareTripleChecker+Valid, 12271 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:29:19,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9386 Valid, 11478 Invalid, 17717 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5427 Valid, 12271 Invalid, 19 Unknown, 0 Unchecked, 89.0s Time] [2021-11-25 18:29:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43588 states. [2021-11-25 18:29:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43588 to 43506. [2021-11-25 18:29:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43506 states, 27674 states have (on average 1.3666257136662572) internal successors, (37820), 28906 states have internal predecessors, (37820), 14202 states have call successors, (14202), 1558 states have call predecessors, (14202), 1629 states have return successors, (15323), 13582 states have call predecessors, (15323), 14201 states have call successors, (15323) [2021-11-25 18:29:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43506 states to 43506 states and 67345 transitions. [2021-11-25 18:29:23,669 INFO L78 Accepts]: Start accepts. Automaton has 43506 states and 67345 transitions. Word has length 307 [2021-11-25 18:29:23,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:29:23,670 INFO L470 AbstractCegarLoop]: Abstraction has 43506 states and 67345 transitions. [2021-11-25 18:29:23,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-25 18:29:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 43506 states and 67345 transitions. [2021-11-25 18:29:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2021-11-25 18:29:23,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:29:23,975 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 15, 15, 11, 11, 11, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:24,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:29:24,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66373c11-1527-4416-98ee-78ecc4e2b35a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:29:24,192 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:29:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:29:24,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1002915669, now seen corresponding path program 1 times [2021-11-25 18:29:24,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:29:24,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859619033] [2021-11-25 18:29:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:24,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms