./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/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_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:45:45,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:45,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:45,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:45,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:45,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:45,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:45,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:45,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:45,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:45,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:45,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:45,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:45,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:45,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:45,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:45,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:45,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:45,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:45,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:45,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:45,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:45,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:45,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:45,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:45,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:45,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:45,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:45,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:45,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:45,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:45,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:45,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:45,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:45,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:45,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:45,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:45,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:45,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:45,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:45,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:45,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:45:46,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:46,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:46,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:46,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:46,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:46,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:46,012 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:46,012 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:46,012 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:46,012 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:45:46,013 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:46,013 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:46,013 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:45:46,013 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:45:46,013 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:46,014 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:45:46,014 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:45:46,015 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:45:46,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:46,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:46,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:46,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:45:46,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:46,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:45:46,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:45:46,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:46,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:45:46,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:46,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:46,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:46,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:46,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:45:46,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:46,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:45:46,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:45:46,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:45:46,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:45:46,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:46,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2022-11-03 03:45:46,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:46,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:46,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:46,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:46,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:46,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 03:45:46,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/data/7a609e9ee/3cf66909ffb143238eeee335ff91b09c/FLAGea17d8f98 [2022-11-03 03:45:48,005 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:48,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/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 [2022-11-03 03:45:48,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/data/7a609e9ee/3cf66909ffb143238eeee335ff91b09c/FLAGea17d8f98 [2022-11-03 03:45:48,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/data/7a609e9ee/3cf66909ffb143238eeee335ff91b09c [2022-11-03 03:45:48,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:48,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:48,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:48,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:48,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:48,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:48" (1/1) ... [2022-11-03 03:45:48,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d466158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:48, skipping insertion in model container [2022-11-03 03:45:48,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:48" (1/1) ... [2022-11-03 03:45:48,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:48,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:50,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/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] [2022-11-03 03:45:54,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:54,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:45:54,489 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_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/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] [2022-11-03 03:45:55,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:55,529 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:45:55,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55 WrapperNode [2022-11-03 03:45:55,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:55,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:55,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:45:55,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:45:55,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:55,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:56,742 INFO L138 Inliner]: procedures = 476, calls = 9531, calls flagged for inlining = 212, calls inlined = 205, statements flattened = 20967 [2022-11-03 03:45:56,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:56,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:45:56,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:45:56,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:45:56,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:56,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:57,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:58,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:45:58,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:45:58,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:45:58,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:45:58,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (1/1) ... [2022-11-03 03:45:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:58,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:58,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:45:58,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:45:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_config_rf_radio_a [2022-11-03 03:45:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_config_rf_radio_a [2022-11-03 03:45:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure phy_similarity_cmp [2022-11-03 03:45:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_similarity_cmp [2022-11-03 03:45:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_init_led [2022-11-03 03:45:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_init_led [2022-11-03 03:45:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_path_adda_on [2022-11-03 03:45:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_path_adda_on [2022-11-03 03:45:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_btc_status [2022-11-03 03:45:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_btc_status [2022-11-03 03:45:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure phy_conv_dbm_to_rel [2022-11-03 03:45:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_conv_dbm_to_rel [2022-11-03 03:45:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:45:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:45:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_reload_adda_registers [2022-11-03 03:45:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_reload_adda_registers [2022-11-03 03:45:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:45:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:45:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_hw_init [2022-11-03 03:45:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_hw_init [2022-11-03 03:45:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 03:45:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 03:45:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-03 03:45:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-03 03:45:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 03:45:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 03:45:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure phy_get_txpwr_by_rate_base [2022-11-03 03:45:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_get_txpwr_by_rate_base [2022-11-03 03:45:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-03 03:45:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-03 03:45:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_hal_rate_tbl [2022-11-03 03:45:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_hal_rate_tbl [2022-11-03 03:45:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-03 03:45:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-03 03:45:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:45:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:45:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~bool~0 [2022-11-03 03:45:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~bool~0 [2022-11-03 03:45:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 03:45:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 03:45:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:45:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:45:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_watchdog [2022-11-03 03:45:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_watchdog [2022-11-03 03:45:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-03 03:45:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-03 03:45:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_gpio_radio_on_off_checking [2022-11-03 03:45:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_gpio_radio_on_off_checking [2022-11-03 03:45:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_rx_query_desc [2022-11-03 03:45:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_rx_query_desc [2022-11-03 03:45:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 03:45:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_rf_serial_read [2022-11-03 03:45:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_rf_serial_read [2022-11-03 03:45:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:45:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:45:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_bcn_ctrl_reg [2022-11-03 03:45:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_bcn_ctrl_reg [2022-11-03 03:45:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_resume_tx_beacon [2022-11-03 03:45:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_resume_tx_beacon [2022-11-03 03:45:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_query_bb_reg [2022-11-03 03:45:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_query_bb_reg [2022-11-03 03:45:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:45:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_config_bb_with_headerfile [2022-11-03 03:45:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_config_bb_with_headerfile [2022-11-03 03:45:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_calculate_bit_shift [2022-11-03 03:45:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_calculate_bit_shift [2022-11-03 03:45:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-03 03:45:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-03 03:45:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:45:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:45:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 03:45:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 03:45:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:45:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-03 03:45:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-03 03:45:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:45:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:45:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-03 03:45:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-03 03:45:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:45:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:45:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:45:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:45:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_resume [2022-11-03 03:45:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_resume [2022-11-03 03:45:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:45:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:45:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_fw_rsvdpagepkt [2022-11-03 03:45:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_fw_rsvdpagepkt [2022-11-03 03:45:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_23 [2022-11-03 03:45:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_23 [2022-11-03 03:45:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 03:45:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 03:45:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_dm_init_edca_turbo [2022-11-03 03:45:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_dm_init_edca_turbo [2022-11-03 03:45:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_leds [2022-11-03 03:45:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_leds [2022-11-03 03:45:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_interrupt_recognized [2022-11-03 03:45:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_interrupt_recognized [2022-11-03 03:45:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-03 03:45:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-03 03:45:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_on [2022-11-03 03:45:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_on [2022-11-03 03:45:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-03 03:45:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-03 03:45:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-03 03:45:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-03 03:45:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_set_txpower_index [2022-11-03 03:45:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_set_txpower_index [2022-11-03 03:45:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_hw_security_config [2022-11-03 03:45:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_hw_security_config [2022-11-03 03:45:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_query_rf_reg [2022-11-03 03:45:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_query_rf_reg [2022-11-03 03:45:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 03:45:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_save_adda_registers [2022-11-03 03:45:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_save_adda_registers [2022-11-03 03:45:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-03 03:45:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-03 03:45:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_polling [2022-11-03 03:45:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_polling [2022-11-03 03:45:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:45:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_cmd_send_packet [2022-11-03 03:45:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_cmd_send_packet [2022-11-03 03:45:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_led_control [2022-11-03 03:45:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_led_control [2022-11-03 03:45:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_check_bssid [2022-11-03 03:45:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_check_bssid [2022-11-03 03:45:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:45:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_disable_interrupt [2022-11-03 03:45:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_disable_interrupt [2022-11-03 03:45:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:45:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:45:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:45:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:45:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_hw_reg [2022-11-03 03:45:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_hw_reg [2022-11-03 03:45:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:45:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:45:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_hdr [2022-11-03 03:45:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_hdr [2022-11-03 03:45:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hal_pwrseqcmdparsing [2022-11-03 03:45:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hal_pwrseqcmdparsing [2022-11-03 03:45:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_sw_chnl [2022-11-03 03:45:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_sw_chnl [2022-11-03 03:45:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:45:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:45:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_interrupt [2022-11-03 03:45:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_interrupt [2022-11-03 03:45:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_off [2022-11-03 03:45:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_off [2022-11-03 03:45:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_off [2022-11-03 03:45:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_off [2022-11-03 03:45:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-03 03:45:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-03 03:45:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:45:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:45:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_desc [2022-11-03 03:45:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_desc [2022-11-03 03:45:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_power_state [2022-11-03 03:45:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_power_state [2022-11-03 03:45:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 03:45:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 03:45:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_media_status [2022-11-03 03:45:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_media_status [2022-11-03 03:45:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:45:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:45:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:45:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:45:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_qos [2022-11-03 03:45:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_qos [2022-11-03 03:45:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-03 03:45:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-03 03:45:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-03 03:45:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-03 03:45:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_txpower_level [2022-11-03 03:45:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_txpower_level [2022-11-03 03:45:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-03 03:45:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-03 03:45:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_sw_chnl_cmdarray [2022-11-03 03:45:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_sw_chnl_cmdarray [2022-11-03 03:45:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 03:45:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 03:45:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_suspend [2022-11-03 03:45:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_suspend [2022-11-03 03:45:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_check_txpower_tracking [2022-11-03 03:45:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_check_txpower_tracking [2022-11-03 03:45:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_ps_rf_on [2022-11-03 03:45:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_ps_rf_on [2022-11-03 03:45:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_scan_operation_backup [2022-11-03 03:45:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_scan_operation_backup [2022-11-03 03:45:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-03 03:45:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-03 03:45:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_iq_calibrate [2022-11-03 03:45:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_iq_calibrate [2022-11-03 03:45:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_iqk_matrix [2022-11-03 03:45:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_iqk_matrix [2022-11-03 03:45:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_key [2022-11-03 03:45:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_key [2022-11-03 03:45:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-03 03:45:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-03 03:45:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 03:45:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 03:45:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-03 03:45:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-03 03:45:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:45:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:45:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-03 03:45:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-03 03:45:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 03:45:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 03:45:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-03 03:45:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-03 03:45:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:45:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:45:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:45:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:45:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2022-11-03 03:45:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2022-11-03 03:45:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_channel_access_setting [2022-11-03 03:45:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_channel_access_setting [2022-11-03 03:45:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:45:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_tx_power_track_set_power [2022-11-03 03:45:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_tx_power_track_set_power [2022-11-03 03:45:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_vars [2022-11-03 03:45:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_vars [2022-11-03 03:45:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_desc [2022-11-03 03:45:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_desc [2022-11-03 03:45:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure phy_set_txpwr_by_rate_base [2022-11-03 03:45:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_set_txpwr_by_rate_base [2022-11-03 03:45:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:45:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 03:45:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 03:45:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_pi_mode_switch [2022-11-03 03:45:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_pi_mode_switch [2022-11-03 03:45:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_hw_reg [2022-11-03 03:45:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_hw_reg [2022-11-03 03:45:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-03 03:45:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-03 03:45:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-03 03:45:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-03 03:45:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_enter [2022-11-03 03:45:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_enter [2022-11-03 03:45:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_leave [2022-11-03 03:45:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_leave [2022-11-03 03:45:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:45:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_get_txpower_index [2022-11-03 03:45:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_get_txpower_index [2022-11-03 03:45:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2022-11-03 03:45:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2022-11-03 03:45:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 03:45:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 03:45:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_related_registers [2022-11-03 03:45:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_related_registers [2022-11-03 03:45:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_reg [2022-11-03 03:45:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_reg [2022-11-03 03:45:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_desc [2022-11-03 03:45:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_desc [2022-11-03 03:45:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_stop_tx_beacon [2022-11-03 03:45:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_stop_tx_beacon [2022-11-03 03:45:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_deinit_sw_vars [2022-11-03 03:45:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_deinit_sw_vars [2022-11-03 03:45:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:45:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:45:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-03 03:45:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-03 03:45:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-03 03:45:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-03 03:45:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-03 03:45:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-03 03:45:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-03 03:45:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-03 03:45:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_card_disable [2022-11-03 03:45:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_card_disable [2022-11-03 03:45:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 03:45:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 03:45:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_interrupt_mask [2022-11-03 03:45:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_interrupt_mask [2022-11-03 03:45:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 03:45:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 03:45:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-03 03:45:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-03 03:45:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:45:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_network_type [2022-11-03 03:45:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_network_type [2022-11-03 03:45:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:45:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:45:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-03 03:45:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-03 03:45:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-03 03:45:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-03 03:45:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_bw_mode [2022-11-03 03:45:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_bw_mode [2022-11-03 03:45:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_header [2022-11-03 03:45:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_header [2022-11-03 03:45:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 03:45:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 03:45:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-03 03:45:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-03 03:45:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_read_eeprom_info [2022-11-03 03:45:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_read_eeprom_info [2022-11-03 03:45:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_interval [2022-11-03 03:45:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_interval [2022-11-03 03:45:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 03:45:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 03:45:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_is_tx_desc_closed [2022-11-03 03:45:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_is_tx_desc_closed [2022-11-03 03:45:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_llt_write [2022-11-03 03:45:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_llt_write [2022-11-03 03:45:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_bb_delay [2022-11-03 03:45:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_bb_delay [2022-11-03 03:45:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_bb_reg [2022-11-03 03:45:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_bb_reg [2022-11-03 03:45:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_on [2022-11-03 03:45:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_on [2022-11-03 03:45:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-03 03:45:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-03 03:45:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_fw_read_last_h2c [2022-11-03 03:45:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_fw_read_last_h2c [2022-11-03 03:45:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:45:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:45:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:45:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:45:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_lc_calibrate [2022-11-03 03:45:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_lc_calibrate [2022-11-03 03:45:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_condition [2022-11-03 03:45:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_condition [2022-11-03 03:45:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_cmddesc [2022-11-03 03:45:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_cmddesc [2022-11-03 03:45:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:45:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-03 03:45:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-03 03:45:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_config_rf_with_headerfile [2022-11-03 03:45:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_config_rf_with_headerfile [2022-11-03 03:45:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-03 03:45:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_fill_h2c_cmd [2022-11-03 03:45:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_fill_h2c_cmd [2022-11-03 03:45:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-03 03:45:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-03 03:45:59,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:45:59,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:46:00,560 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:48:28,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:48:39,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:48:39,461 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-03 03:48:39,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:39 BoogieIcfgContainer [2022-11-03 03:48:39,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:48:39,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:48:39,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:48:39,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:48:39,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:45:48" (1/3) ... [2022-11-03 03:48:39,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9b9c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:39, skipping insertion in model container [2022-11-03 03:48:39,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:55" (2/3) ... [2022-11-03 03:48:39,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9b9c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:39, skipping insertion in model container [2022-11-03 03:48:39,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:39" (3/3) ... [2022-11-03 03:48:39,485 INFO L112 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 [2022-11-03 03:48:39,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:48:39,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:48:39,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:48:39,667 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79d1ae7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:48:39,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:48:39,692 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) [2022-11-03 03:48:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-03 03:48:39,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:39,727 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:48:39,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:39,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1007042671, now seen corresponding path program 1 times [2022-11-03 03:48:39,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:48:39,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111582149] [2022-11-03 03:48:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:39,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:48:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-11-03 03:48:42,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:48:42,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111582149] [2022-11-03 03:48:42,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111582149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:42,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:42,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:48:42,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505999811] [2022-11-03 03:48:42,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:42,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:48:42,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:48:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:48:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:48:42,679 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) [2022-11-03 03:48:45,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:48,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:50,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:54,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:57,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:01,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:02,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:05,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:07,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:08,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:10,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:10,734 INFO L93 Difference]: Finished difference Result 11894 states and 18496 transitions. [2022-11-03 03:49:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:10,737 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 [2022-11-03 03:49:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:10,828 INFO L225 Difference]: With dead ends: 11894 [2022-11-03 03:49:10,829 INFO L226 Difference]: Without dead ends: 7536 [2022-11-03 03:49:10,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:10,877 INFO L413 NwaCegarLoop]: 7647 mSDtfsCounter, 5898 mSDsluCounter, 6227 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5912 SdHoareTripleChecker+Valid, 13501 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:10,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5912 Valid, 13501 Invalid, 839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 817 Invalid, 7 Unknown, 0 Unchecked, 27.3s Time] [2022-11-03 03:49:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7536 states. [2022-11-03 03:49:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7536 to 7530. [2022-11-03 03:49:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7530 states, 4742 states have (on average 1.3762125685364826) internal successors, (6526), 4960 states have internal predecessors, (6526), 2523 states have call successors, (2523), 266 states have call predecessors, (2523), 264 states have return successors, (2532), 2401 states have call predecessors, (2532), 2522 states have call successors, (2532) [2022-11-03 03:49:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 11581 transitions. [2022-11-03 03:49:11,979 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 11581 transitions. Word has length 207 [2022-11-03 03:49:11,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:11,980 INFO L495 AbstractCegarLoop]: Abstraction has 7530 states and 11581 transitions. [2022-11-03 03:49:11,981 INFO L496 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) [2022-11-03 03:49:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 11581 transitions. [2022-11-03 03:49:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-03 03:49:11,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:11,990 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:49:11,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:49:11,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1926210055, now seen corresponding path program 1 times [2022-11-03 03:49:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:11,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136805649] [2022-11-03 03:49:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-11-03 03:49:15,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:15,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136805649] [2022-11-03 03:49:15,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136805649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:15,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:15,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:49:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869419451] [2022-11-03 03:49:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:15,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:49:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:49:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:49:15,106 INFO L87 Difference]: Start difference. First operand 7530 states and 11581 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) [2022-11-03 03:49:17,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:20,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:22,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:27,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:31,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:34,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:35,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:37,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:38,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:41,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:43,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:44,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:45,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:47,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:49,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:50,035 INFO L93 Difference]: Finished difference Result 14856 states and 22999 transitions. [2022-11-03 03:49:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:49:50,036 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 [2022-11-03 03:49:50,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:50,277 INFO L225 Difference]: With dead ends: 14856 [2022-11-03 03:49:50,278 INFO L226 Difference]: Without dead ends: 14851 [2022-11-03 03:49:50,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:49:50,290 INFO L413 NwaCegarLoop]: 7925 mSDtfsCounter, 5638 mSDsluCounter, 14342 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5646 SdHoareTripleChecker+Valid, 21456 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:50,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5646 Valid, 21456 Invalid, 1303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1296 Invalid, 7 Unknown, 0 Unchecked, 34.3s Time] [2022-11-03 03:49:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14851 states. [2022-11-03 03:49:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14851 to 14837. [2022-11-03 03:49:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14837 states, 9342 states have (on average 1.3777563690858488) internal successors, (12871), 9778 states have internal predecessors, (12871), 4972 states have call successors, (4972), 526 states have call predecessors, (4972), 522 states have return successors, (5133), 4726 states have call predecessors, (5133), 4971 states have call successors, (5133) [2022-11-03 03:49:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14837 states to 14837 states and 22976 transitions. [2022-11-03 03:49:51,869 INFO L78 Accepts]: Start accepts. Automaton has 14837 states and 22976 transitions. Word has length 210 [2022-11-03 03:49:51,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:51,873 INFO L495 AbstractCegarLoop]: Abstraction has 14837 states and 22976 transitions. [2022-11-03 03:49:51,874 INFO L496 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) [2022-11-03 03:49:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14837 states and 22976 transitions. [2022-11-03 03:49:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-03 03:49:51,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:51,902 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:49:51,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:49:51,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash 621069605, now seen corresponding path program 1 times [2022-11-03 03:49:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:51,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524474000] [2022-11-03 03:49:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:51,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2022-11-03 03:49:53,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:53,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524474000] [2022-11-03 03:49:53,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524474000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:53,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:53,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:49:53,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782640701] [2022-11-03 03:49:53,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:53,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:53,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:53,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:53,771 INFO L87 Difference]: Start difference. First operand 14837 states and 22976 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) [2022-11-03 03:49:56,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:59,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:01,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:05,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:08,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:11,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:12,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:15,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:18,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:20,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:20,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:50:20,627 INFO L93 Difference]: Finished difference Result 29912 states and 46332 transitions. [2022-11-03 03:50:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:50:20,628 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 [2022-11-03 03:50:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:50:20,738 INFO L225 Difference]: With dead ends: 29912 [2022-11-03 03:50:20,738 INFO L226 Difference]: Without dead ends: 15146 [2022-11-03 03:50:20,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:20,825 INFO L413 NwaCegarLoop]: 5603 mSDtfsCounter, 128 mSDsluCounter, 5709 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s 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, 26.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:50:20,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 10955 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 955 Invalid, 9 Unknown, 0 Unchecked, 26.4s Time] [2022-11-03 03:50:20,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15146 states. [2022-11-03 03:50:22,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15146 to 15139. [2022-11-03 03:50:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15139 states, 9596 states have (on average 1.384222592746978) internal successors, (13283), 10034 states have internal predecessors, (13283), 5004 states have call successors, (5004), 542 states have call predecessors, (5004), 538 states have return successors, (5165), 4756 states have call predecessors, (5165), 5003 states have call successors, (5165) [2022-11-03 03:50:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15139 states to 15139 states and 23452 transitions. [2022-11-03 03:50:22,147 INFO L78 Accepts]: Start accepts. Automaton has 15139 states and 23452 transitions. Word has length 271 [2022-11-03 03:50:22,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:50:22,148 INFO L495 AbstractCegarLoop]: Abstraction has 15139 states and 23452 transitions. [2022-11-03 03:50:22,148 INFO L496 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) [2022-11-03 03:50:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15139 states and 23452 transitions. [2022-11-03 03:50:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-03 03:50:22,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:50:22,164 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:50:22,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:50:22,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:50:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:50:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 540478531, now seen corresponding path program 1 times [2022-11-03 03:50:22,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:50:22,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673209372] [2022-11-03 03:50:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:50:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:50:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:50:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2022-11-03 03:50:23,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:50:23,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673209372] [2022-11-03 03:50:23,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673209372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:50:23,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:50:23,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:50:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118563337] [2022-11-03 03:50:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:50:23,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:50:23,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:50:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:50:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:23,729 INFO L87 Difference]: Start difference. First operand 15139 states and 23452 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) [2022-11-03 03:50:26,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:28,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:31,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:35,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:38,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:41,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:44,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:47,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:49,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:51,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:51,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:50:51,908 INFO L93 Difference]: Finished difference Result 44222 states and 68522 transitions. [2022-11-03 03:50:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:50:51,909 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 [2022-11-03 03:50:51,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:50:52,089 INFO L225 Difference]: With dead ends: 44222 [2022-11-03 03:50:52,090 INFO L226 Difference]: Without dead ends: 29122 [2022-11-03 03:50:52,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:52,160 INFO L413 NwaCegarLoop]: 7143 mSDtfsCounter, 5381 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 150 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5389 SdHoareTripleChecker+Valid, 12415 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:50:52,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5389 Valid, 12415 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1020 Invalid, 8 Unknown, 0 Unchecked, 27.4s Time] [2022-11-03 03:50:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29122 states. [2022-11-03 03:50:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29122 to 29109. [2022-11-03 03:50:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 18444 states have (on average 1.3719908913467795) internal successors, (25305), 19320 states have internal predecessors, (25305), 9610 states have call successors, (9610), 1062 states have call predecessors, (9610), 1054 states have return successors, (9897), 9112 states have call predecessors, (9897), 9609 states have call successors, (9897) [2022-11-03 03:50:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 44812 transitions. [2022-11-03 03:50:55,173 INFO L78 Accepts]: Start accepts. Automaton has 29109 states and 44812 transitions. Word has length 307 [2022-11-03 03:50:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:50:55,174 INFO L495 AbstractCegarLoop]: Abstraction has 29109 states and 44812 transitions. [2022-11-03 03:50:55,174 INFO L496 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) [2022-11-03 03:50:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29109 states and 44812 transitions. [2022-11-03 03:50:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-03 03:50:55,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:50:55,191 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:50:55,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:50:55,192 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:50:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:50:55,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1585091167, now seen corresponding path program 1 times [2022-11-03 03:50:55,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:50:55,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506317346] [2022-11-03 03:50:55,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:50:55,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:50:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2022-11-03 03:51:01,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:01,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506317346] [2022-11-03 03:51:01,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506317346] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:51:01,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149063695] [2022-11-03 03:51:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:01,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:51:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:51:01,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:51:01,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:51:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:06,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 14124 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-03 03:51:06,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:51:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2022-11-03 03:51:07,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:51:07,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149063695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:07,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:51:07,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-11-03 03:51:07,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898801156] [2022-11-03 03:51:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:07,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:51:07,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:51:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:51:07,636 INFO L87 Difference]: Start difference. First operand 29109 states and 44812 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) [2022-11-03 03:51:09,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:12,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:16,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:18,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:28,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:38,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:42,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:46,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:48,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:00,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:06,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:16,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:19,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:23,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:25,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:27,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:31,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:33,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:35,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:36,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:39,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:41,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:49,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:52,120 INFO L93 Difference]: Finished difference Result 46376 states and 72017 transitions. [2022-11-03 03:52:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:52:52,121 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 [2022-11-03 03:52:52,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:52,436 INFO L225 Difference]: With dead ends: 46376 [2022-11-03 03:52:52,436 INFO L226 Difference]: Without dead ends: 46371 [2022-11-03 03:52:52,458 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:52:52,460 INFO L413 NwaCegarLoop]: 5413 mSDtfsCounter, 8409 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 14059 mSolverCounterSat, 5834 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9596 SdHoareTripleChecker+Valid, 10853 SdHoareTripleChecker+Invalid, 19914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5834 IncrementalHoareTripleChecker+Valid, 14059 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:52,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9596 Valid, 10853 Invalid, 19914 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5834 Valid, 14059 Invalid, 21 Unknown, 0 Unchecked, 102.2s Time] [2022-11-03 03:52:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46371 states. [2022-11-03 03:52:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46371 to 46290. [2022-11-03 03:52:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46290 states, 29257 states have (on average 1.3685613699285641) internal successors, (40040), 30633 states have internal predecessors, (40040), 15356 states have call successors, (15356), 1598 states have call predecessors, (15356), 1676 states have return successors, (16480), 14708 states have call predecessors, (16480), 15355 states have call successors, (16480) [2022-11-03 03:52:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46290 states to 46290 states and 71876 transitions. [2022-11-03 03:52:56,543 INFO L78 Accepts]: Start accepts. Automaton has 46290 states and 71876 transitions. Word has length 307 [2022-11-03 03:52:56,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:52:56,544 INFO L495 AbstractCegarLoop]: Abstraction has 46290 states and 71876 transitions. [2022-11-03 03:52:56,545 INFO L496 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) [2022-11-03 03:52:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 46290 states and 71876 transitions. [2022-11-03 03:52:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2022-11-03 03:52:56,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:52:56,814 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 15, 15, 11, 11, 11, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:52:56,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:52:57,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4580a-bc49-4fb6-bd97-59a5d51b73cf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:52:57,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:52:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:52:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -480932952, now seen corresponding path program 1 times [2022-11-03 03:52:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:52:57,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274669082] [2022-11-03 03:52:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:52:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms