./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c83beba5daeb0666cff9044643b6348ba6c1b525c7fa2c31d1ef14bafc36865d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:27:44,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:44,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:44,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:44,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:44,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:44,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:44,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:44,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:44,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:44,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:44,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:44,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:44,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:44,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:44,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:44,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:44,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:44,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:44,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:44,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:44,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:44,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:44,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:44,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:44,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:44,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:44,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:44,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:44,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:44,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:44,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:44,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:44,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:44,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:44,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:44,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:44,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:44,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:44,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:44,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:44,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:27:44,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:44,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:44,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:44,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:44,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:44,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:44,748 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:44,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:44,748 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:44,749 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:44,750 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:44,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:44,750 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:44,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:44,751 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:44,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:44,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:44,751 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:44,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:44,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:44,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:44,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:27:44,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:44,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:27:44,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:27:44,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:44,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:27:44,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:44,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:44,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:44,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:44,755 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:44,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:44,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:27:44,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:44,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:44,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:27:44,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:44,757 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_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c83beba5daeb0666cff9044643b6348ba6c1b525c7fa2c31d1ef14bafc36865d [2022-11-19 08:27:45,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:45,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:45,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:45,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:45,129 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:45,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-19 08:27:45,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/data/c96ac1a8b/ac8ef5e5f84a4b63ad6f14434df722b6/FLAG5fdcf0420 [2022-11-19 08:27:46,417 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:46,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-19 08:27:46,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/data/c96ac1a8b/ac8ef5e5f84a4b63ad6f14434df722b6/FLAG5fdcf0420 [2022-11-19 08:27:46,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/data/c96ac1a8b/ac8ef5e5f84a4b63ad6f14434df722b6 [2022-11-19 08:27:46,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:46,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:46,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:46,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:46,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:46,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:46" (1/1) ... [2022-11-19 08:27:46,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c733d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:46, skipping insertion in model container [2022-11-19 08:27:46,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:46" (1/1) ... [2022-11-19 08:27:46,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:46,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:55,972 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i[714810,714823] [2022-11-19 08:27:56,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:56,233 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:57,134 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i[714810,714823] [2022-11-19 08:27:57,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:57,521 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:57,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57 WrapperNode [2022-11-19 08:27:57,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:57,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:57,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:57,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:57,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:57,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,170 INFO L138 Inliner]: procedures = 737, calls = 7018, calls flagged for inlining = 364, calls inlined = 324, statements flattened = 15192 [2022-11-19 08:27:58,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:58,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:58,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:58,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:58,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:58,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:59,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:59,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:59,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:59,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:59,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (1/1) ... [2022-11-19 08:27:59,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:59,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:59,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18922d60-f908-4f8d-8a1d-7499b6dd2465/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd_sync [2022-11-19 08:27:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd_sync [2022-11-19 08:27:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_rx_replenish [2022-11-19 08:27:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_rx_replenish [2022-11-19 08:27:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:27:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:27:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:27:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:27:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure il_add_station_common [2022-11-19 08:27:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure il_add_station_common [2022-11-19 08:27:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 08:27:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 08:27:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 08:27:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 08:27:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 08:27:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 08:27:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:27:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:27:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:27:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:27:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_free_tfd [2022-11-19 08:27:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_free_tfd [2022-11-19 08:27:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:27:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:27:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-19 08:27:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-19 08:27:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rate_scale_init [2022-11-19 08:27:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rate_scale_init [2022-11-19 08:27:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-19 08:27:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-19 08:27:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_sta_remove [2022-11-19 08:27:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_sta_remove [2022-11-19 08:27:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:27:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:27:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:27:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:27:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_get_header_size [2022-11-19 08:27:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_get_header_size [2022-11-19 08:27:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_ctx_free [2022-11-19 08:27:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_ctx_free [2022-11-19 08:27:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure il_rd_prph [2022-11-19 08:27:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rd_prph [2022-11-19 08:27:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:27:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:27:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-19 08:27:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-19 08:27:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:27:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_beacon_cmd [2022-11-19 08:27:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_beacon_cmd [2022-11-19 08:27:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_geos [2022-11-19 08:27:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_geos [2022-11-19 08:27:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 08:27:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-19 08:27:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-19 08:27:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-19 08:27:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-19 08:27:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:27:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:27:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-19 08:27:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-19 08:27:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_add_interface [2022-11-19 08:27:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_add_interface [2022-11-19 08:27:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_load_bsm [2022-11-19 08:27:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_load_bsm [2022-11-19 08:27:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_assoc [2022-11-19 08:27:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_assoc [2022-11-19 08:27:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_get_temperature [2022-11-19 08:27:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_get_temperature [2022-11-19 08:27:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:27:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:27:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure il_sta_id_or_broadcast [2022-11-19 08:27:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure il_sta_id_or_broadcast [2022-11-19 08:27:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure il_alloc_fw_desc [2022-11-19 08:27:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure il_alloc_fw_desc [2022-11-19 08:27:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:27:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:27:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_sta_add [2022-11-19 08:27:59,266 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_sta_add [2022-11-19 08:27:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure __il_free_pages [2022-11-19 08:27:59,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __il_free_pages [2022-11-19 08:27:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:27:59,266 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:27:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure il_update_stats [2022-11-19 08:27:59,267 INFO L138 BoogieDeclarations]: Found implementation of procedure il_update_stats [2022-11-19 08:27:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:27:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:27:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_comp_txpower_temp [2022-11-19 08:27:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_comp_txpower_temp [2022-11-19 08:27:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure il_clear_ucode_stations [2022-11-19 08:27:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure il_clear_ucode_stations [2022-11-19 08:27:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd_prph [2022-11-19 08:27:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd_prph [2022-11-19 08:27:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_reassoc_req [2022-11-19 08:27:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_reassoc_req [2022-11-19 08:27:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-19 08:27:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-19 08:27:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:27:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-11-19 08:27:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-11-19 08:27:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:27:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:27:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-19 08:27:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-19 08:27:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 08:27:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 08:27:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:27:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:27:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:27:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-11-19 08:27:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-11-19 08:27:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:27:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:27:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_rx_stats_read [2022-11-19 08:27:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_rx_stats_read [2022-11-19 08:27:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:27:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:27:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 08:27:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 08:27:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:27:59,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:27:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_clear_win [2022-11-19 08:27:59,287 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_clear_win [2022-11-19 08:27:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_remove_interface [2022-11-19 08:27:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_remove_interface [2022-11-19 08:27:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-19 08:27:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-19 08:27:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_set_scan_power [2022-11-19 08:27:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_set_scan_power [2022-11-19 08:27:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_config [2022-11-19 08:27:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_config [2022-11-19 08:27:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:27:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:27:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_set_key [2022-11-19 08:27:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_set_key [2022-11-19 08:27:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:27:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:27:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure __il3945_up [2022-11-19 08:27:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __il3945_up [2022-11-19 08:27:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_restart [2022-11-19 08:27:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_restart [2022-11-19 08:27:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_alive_start [2022-11-19 08:27:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_alive_start [2022-11-19 08:27:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_attach_buf_to_tfd [2022-11-19 08:27:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_attach_buf_to_tfd [2022-11-19 08:27:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_fix_power_idx [2022-11-19 08:27:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_fix_power_idx [2022-11-19 08:27:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:27:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:27:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_txpower_get_temperature [2022-11-19 08:27:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_txpower_get_temperature [2022-11-19 08:27:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_bit [2022-11-19 08:27:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_bit [2022-11-19 08:27:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_reg_txpower_periodic [2022-11-19 08:27:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_reg_txpower_periodic [2022-11-19 08:27:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-19 08:27:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-19 08:27:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 08:27:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 08:27:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-19 08:27:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-19 08:27:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_alive [2022-11-19 08:27:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_alive [2022-11-19 08:27:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_9 [2022-11-19 08:27:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_9 [2022-11-19 08:27:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr___0 [2022-11-19 08:27:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr___0 [2022-11-19 08:27:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:27:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:27:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_timing [2022-11-19 08:27:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_timing [2022-11-19 08:27:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:27:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:27:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure il_rx_queue_update_write_ptr [2022-11-19 08:27:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rx_queue_update_write_ptr [2022-11-19 08:27:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:27:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:27:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd_pdu [2022-11-19 08:27:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd_pdu [2022-11-19 08:27:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:27:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:27:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_verify_ucode [2022-11-19 08:27:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_verify_ucode [2022-11-19 08:27:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_tx_last_beacon [2022-11-19 08:27:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_tx_last_beacon [2022-11-19 08:27:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_rxon_assoc [2022-11-19 08:27:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_rxon_assoc [2022-11-19 08:27:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 08:27:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 08:27:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:27:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:27:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr_prph [2022-11-19 08:27:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr_prph [2022-11-19 08:27:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:27:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:27:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_is_temp_calib_needed [2022-11-19 08:27:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_is_temp_calib_needed [2022-11-19 08:27:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd [2022-11-19 08:27:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd [2022-11-19 08:27:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-19 08:27:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-19 08:27:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:27:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:27:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_debug_level [2022-11-19 08:27:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_debug_level [2022-11-19 08:27:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure _il_stop_queue [2022-11-19 08:27:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_stop_queue [2022-11-19 08:27:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_queue_restock [2022-11-19 08:27:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_queue_restock [2022-11-19 08:27:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_add_sta [2022-11-19 08:27:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_add_sta [2022-11-19 08:27:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_flush [2022-11-19 08:27:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_flush [2022-11-19 08:27:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_valid_rtc_data_addr [2022-11-19 08:27:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_valid_rtc_data_addr [2022-11-19 08:27:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_morefrags [2022-11-19 08:27:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_morefrags [2022-11-19 08:27:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:27:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:27:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:27:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:27:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 08:27:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 08:27:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:27:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:27:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_space [2022-11-19 08:27:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_space [2022-11-19 08:27:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-19 08:27:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-19 08:27:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:27:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:27:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure _il_release_nic_access [2022-11-19 08:27:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_release_nic_access [2022-11-19 08:27:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:27:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:27:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-19 08:27:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-19 08:27:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:27:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:27:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_collect_tx_data [2022-11-19 08:27:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_collect_tx_data [2022-11-19 08:27:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 08:27:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 08:27:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure il_enable_interrupts [2022-11-19 08:27:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure il_enable_interrupts [2022-11-19 08:27:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_commit_rxon [2022-11-19 08:27:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_commit_rxon [2022-11-19 08:27:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_channel_valid [2022-11-19 08:27:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_channel_valid [2022-11-19 08:27:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:27:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:27:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-19 08:27:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-19 08:27:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:27:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:27:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_conf_tx [2022-11-19 08:27:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_conf_tx [2022-11-19 08:27:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:27:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:27:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr [2022-11-19 08:27:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr [2022-11-19 08:27:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:27:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:27:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_synchronize_irq [2022-11-19 08:27:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_synchronize_irq [2022-11-19 08:27:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_fw_desc [2022-11-19 08:27:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_fw_desc [2022-11-19 08:27:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-19 08:27:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-19 08:27:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:27:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:27:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure il_bg_watchdog [2022-11-19 08:27:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure il_bg_watchdog [2022-11-19 08:27:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:27:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr [2022-11-19 08:27:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr [2022-11-19 08:27:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:27:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:27:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_associated [2022-11-19 08:27:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_associated [2022-11-19 08:27:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_down [2022-11-19 08:27:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_down [2022-11-19 08:27:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_apm_init [2022-11-19 08:27:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_apm_init [2022-11-19 08:27:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure il_scan_cancel_timeout [2022-11-19 08:27:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure il_scan_cancel_timeout [2022-11-19 08:27:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:27:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_general_stats_read [2022-11-19 08:27:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_general_stats_read [2022-11-19 08:27:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-11-19 08:27:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-11-19 08:27:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_pages [2022-11-19 08:27:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_pages [2022-11-19 08:27:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_channel_map [2022-11-19 08:27:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_channel_map [2022-11-19 08:27:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 08:27:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 08:27:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_channel_info [2022-11-19 08:27:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_channel_info [2022-11-19 08:27:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-19 08:27:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-19 08:27:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2022-11-19 08:27:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2022-11-19 08:27:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-19 08:27:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-19 08:27:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_stats_flag [2022-11-19 08:27:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_stats_flag [2022-11-19 08:27:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:27:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 08:27:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 08:27:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_init_alive_start [2022-11-19 08:27:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_init_alive_start [2022-11-19 08:27:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-19 08:27:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-19 08:27:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:27:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:27:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure il_disable_interrupts [2022-11-19 08:27:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure il_disable_interrupts [2022-11-19 08:27:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-19 08:27:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-19 08:27:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 08:27:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 08:27:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_reset_tsf [2022-11-19 08:27:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_reset_tsf [2022-11-19 08:27:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-19 08:27:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-19 08:27:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-19 08:27:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-19 08:27:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rfkill_poll [2022-11-19 08:27:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rfkill_poll [2022-11-19 08:27:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_replenish [2022-11-19 08:27:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_replenish [2022-11-19 08:27:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_get_prev_ieee_rate [2022-11-19 08:27:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_get_prev_ieee_rate [2022-11-19 08:27:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:27:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:27:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-19 08:27:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-19 08:27:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_dump_nic_error_log [2022-11-19 08:27:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_dump_nic_error_log [2022-11-19 08:27:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:27:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:27:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_inc_wrap [2022-11-19 08:27:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_inc_wrap [2022-11-19 08:27:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure il_restore_stations [2022-11-19 08:27:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure il_restore_stations [2022-11-19 08:27:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:27:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:27:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-19 08:27:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-19 08:27:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-11-19 08:27:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-11-19 08:27:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 08:27:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 08:27:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_channel_a_band [2022-11-19 08:27:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_channel_a_band [2022-11-19 08:27:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_tx_power [2022-11-19 08:27:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_tx_power [2022-11-19 08:27:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:27:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:27:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-19 08:27:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-19 08:27:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-19 08:27:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-19 08:27:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:27:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:27:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_bss_info_changed [2022-11-19 08:27:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_bss_info_changed [2022-11-19 08:27:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_verify_inst_sparse [2022-11-19 08:27:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_verify_inst_sparse [2022-11-19 08:27:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:27:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_allocate [2022-11-19 08:27:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_allocate [2022-11-19 08:27:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 08:27:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 08:27:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-19 08:27:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-19 08:27:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_tx [2022-11-19 08:27:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_tx [2022-11-19 08:27:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_remove_debugfs [2022-11-19 08:27:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_remove_debugfs [2022-11-19 08:27:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_adjust_power_by_temp [2022-11-19 08:27:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_adjust_power_by_temp [2022-11-19 08:27:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_assoc_req [2022-11-19 08:27:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_assoc_req [2022-11-19 08:27:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:27:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:27:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure il_read_targ_mem [2022-11-19 08:27:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure il_read_targ_mem [2022-11-19 08:27:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure _il_grab_nic_access [2022-11-19 08:27:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_grab_nic_access [2022-11-19 08:27:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure __il3945_down [2022-11-19 08:27:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __il3945_down [2022-11-19 08:27:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_dealloc_ucode_pci [2022-11-19 08:27:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_dealloc_ucode_pci [2022-11-19 08:27:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:27:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:27:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:27:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:27:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:27:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:27:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure il_txq_update_write_ptr [2022-11-19 08:27:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure il_txq_update_write_ptr [2022-11-19 08:27:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr_prph [2022-11-19 08:27:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr_prph [2022-11-19 08:27:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 08:27:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 08:27:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_eeprom_acquire_semaphore [2022-11-19 08:27:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_eeprom_acquire_semaphore [2022-11-19 08:27:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rate_control_unregister [2022-11-19 08:27:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rate_control_unregister [2022-11-19 08:27:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_unset_hw_params [2022-11-19 08:27:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_unset_hw_params [2022-11-19 08:27:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 08:27:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 08:27:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure _il_clear_bit [2022-11-19 08:27:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_clear_bit [2022-11-19 08:27:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 08:27:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 08:27:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure _il_poll_bit [2022-11-19 08:27:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_poll_bit [2022-11-19 08:27:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_rfkill [2022-11-19 08:27:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_rfkill [2022-11-19 08:27:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-11-19 08:27:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-11-19 08:27:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 08:27:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 08:27:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_get_antenna_flags [2022-11-19 08:27:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_get_antenna_flags [2022-11-19 08:27:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:27:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:27:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 08:27:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 08:27:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_change_interface [2022-11-19 08:27:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_change_interface [2022-11-19 08:27:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_hw_scan [2022-11-19 08:27:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_hw_scan [2022-11-19 08:27:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_tx_power [2022-11-19 08:27:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_tx_power [2022-11-19 08:27:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:27:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:27:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 08:27:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 08:27:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_configure_filter [2022-11-19 08:27:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_configure_filter [2022-11-19 08:27:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-19 08:27:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-19 08:27:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_start [2022-11-19 08:27:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_start [2022-11-19 08:27:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-19 08:27:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-19 08:27:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-19 08:27:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-19 08:27:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_reg_txpower_periodic [2022-11-19 08:27:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_reg_txpower_periodic [2022-11-19 08:27:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-19 08:27:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-19 08:27:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-19 08:27:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-19 08:28:01,407 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:28:01,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:28:01,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:28:28,475 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:28:33,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:28:33,107 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:28:33,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:33 BoogieIcfgContainer [2022-11-19 08:28:33,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:28:33,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:28:33,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:28:33,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:28:33,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:46" (1/3) ... [2022-11-19 08:28:33,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:33, skipping insertion in model container [2022-11-19 08:28:33,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:57" (2/3) ... [2022-11-19 08:28:33,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:33, skipping insertion in model container [2022-11-19 08:28:33,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:33" (3/3) ... [2022-11-19 08:28:33,147 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-19 08:28:33,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:28:33,173 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:28:33,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:28:33,317 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;@8d646c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:28:33,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:28:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 4070 states, 2497 states have (on average 1.3396075290348417) internal successors, (3345), 2591 states have internal predecessors, (3345), 1349 states have call successors, (1349), 223 states have call predecessors, (1349), 222 states have return successors, (1322), 1313 states have call predecessors, (1322), 1322 states have call successors, (1322) [2022-11-19 08:28:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2022-11-19 08:28:33,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:33,398 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:33,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:33,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:33,407 INFO L85 PathProgramCache]: Analyzing trace with hash -191341866, now seen corresponding path program 1 times [2022-11-19 08:28:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:33,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754576408] [2022-11-19 08:28:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12351 trivial. 0 not checked. [2022-11-19 08:28:36,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:36,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754576408] [2022-11-19 08:28:36,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754576408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:36,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:36,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:28:36,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800642853] [2022-11-19 08:28:36,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:36,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:28:36,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:28:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:28:36,699 INFO L87 Difference]: Start difference. First operand has 4070 states, 2497 states have (on average 1.3396075290348417) internal successors, (3345), 2591 states have internal predecessors, (3345), 1349 states have call successors, (1349), 223 states have call predecessors, (1349), 222 states have return successors, (1322), 1313 states have call predecessors, (1322), 1322 states have call successors, (1322) Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2022-11-19 08:28:38,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:43,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:51,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:52,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:52,244 INFO L93 Difference]: Finished difference Result 10719 states and 15975 transitions. [2022-11-19 08:28:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:28:52,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) Word has length 795 [2022-11-19 08:28:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:52,334 INFO L225 Difference]: With dead ends: 10719 [2022-11-19 08:28:52,334 INFO L226 Difference]: Without dead ends: 6708 [2022-11-19 08:28:52,362 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 [2022-11-19 08:28:52,366 INFO L413 NwaCegarLoop]: 8816 mSDtfsCounter, 4990 mSDsluCounter, 4639 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 13455 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:52,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4990 Valid, 13455 Invalid, 1117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1114 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-19 08:28:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6708 states. [2022-11-19 08:28:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6708 to 6668. [2022-11-19 08:28:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 4199 states have (on average 1.338652060014289) internal successors, (5621), 4302 states have internal predecessors, (5621), 2078 states have call successors, (2078), 395 states have call predecessors, (2078), 390 states have return successors, (2132), 2048 states have call predecessors, (2132), 2077 states have call successors, (2132) [2022-11-19 08:28:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 9831 transitions. [2022-11-19 08:28:53,019 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 9831 transitions. Word has length 795 [2022-11-19 08:28:53,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:53,029 INFO L495 AbstractCegarLoop]: Abstraction has 6668 states and 9831 transitions. [2022-11-19 08:28:53,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2022-11-19 08:28:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 9831 transitions. [2022-11-19 08:28:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-11-19 08:28:53,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:53,072 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:53,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:28:53,073 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:53,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:53,074 INFO L85 PathProgramCache]: Analyzing trace with hash 225235550, now seen corresponding path program 1 times [2022-11-19 08:28:53,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:53,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820149631] [2022-11-19 08:28:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13720 trivial. 0 not checked. [2022-11-19 08:28:55,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:55,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820149631] [2022-11-19 08:28:55,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820149631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:55,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:55,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:28:55,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168590238] [2022-11-19 08:28:55,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:55,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:28:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:28:55,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:28:55,025 INFO L87 Difference]: Start difference. First operand 6668 states and 9831 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-19 08:28:57,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:00,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:05,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:06,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:08,835 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 [] [2022-11-19 08:29:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:10,829 INFO L93 Difference]: Finished difference Result 19420 states and 28615 transitions. [2022-11-19 08:29:10,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:29:10,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 820 [2022-11-19 08:29:10,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:10,929 INFO L225 Difference]: With dead ends: 19420 [2022-11-19 08:29:10,929 INFO L226 Difference]: Without dead ends: 12885 [2022-11-19 08:29:10,967 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 [2022-11-19 08:29:10,968 INFO L413 NwaCegarLoop]: 6663 mSDtfsCounter, 5409 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:10,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5409 Valid, 12123 Invalid, 965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-19 08:29:10,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12885 states. [2022-11-19 08:29:12,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12885 to 12879. [2022-11-19 08:29:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12879 states, 8143 states have (on average 1.3426255679724917) internal successors, (10933), 8343 states have internal predecessors, (10933), 3972 states have call successors, (3972), 772 states have call predecessors, (3972), 763 states have return successors, (4071), 3909 states have call predecessors, (4071), 3971 states have call successors, (4071) [2022-11-19 08:29:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12879 states to 12879 states and 18976 transitions. [2022-11-19 08:29:12,198 INFO L78 Accepts]: Start accepts. Automaton has 12879 states and 18976 transitions. Word has length 820 [2022-11-19 08:29:12,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:12,203 INFO L495 AbstractCegarLoop]: Abstraction has 12879 states and 18976 transitions. [2022-11-19 08:29:12,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-19 08:29:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 12879 states and 18976 transitions. [2022-11-19 08:29:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2022-11-19 08:29:12,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:12,274 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 54, 54, 54, 54, 54, 54, 54, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:12,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:29:12,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:12,285 INFO L85 PathProgramCache]: Analyzing trace with hash -516331932, now seen corresponding path program 1 times [2022-11-19 08:29:12,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:12,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915940823] [2022-11-19 08:29:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 15780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15780 trivial. 0 not checked. [2022-11-19 08:29:14,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:14,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915940823] [2022-11-19 08:29:14,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915940823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:14,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:14,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:29:14,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078236290] [2022-11-19 08:29:14,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:14,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:29:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:14,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:29:14,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:29:14,362 INFO L87 Difference]: Start difference. First operand 12879 states and 18976 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-19 08:29:16,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:19,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:25,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:27,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:29,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:30,690 INFO L93 Difference]: Finished difference Result 37685 states and 55508 transitions. [2022-11-19 08:29:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:29:30,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 884 [2022-11-19 08:29:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:30,871 INFO L225 Difference]: With dead ends: 37685 [2022-11-19 08:29:30,871 INFO L226 Difference]: Without dead ends: 24939 [2022-11-19 08:29:30,944 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 [2022-11-19 08:29:30,945 INFO L413 NwaCegarLoop]: 6646 mSDtfsCounter, 5288 mSDsluCounter, 5448 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5288 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:30,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5288 Valid, 12094 Invalid, 978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 974 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2022-11-19 08:29:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24939 states. [2022-11-19 08:29:32,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24939 to 24931. [2022-11-19 08:29:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24931 states, 15813 states have (on average 1.3461708720672865) internal successors, (21287), 16207 states have internal predecessors, (21287), 7622 states have call successors, (7622), 1512 states have call predecessors, (7622), 1495 states have return successors, (7811), 7493 states have call predecessors, (7811), 7621 states have call successors, (7811) [2022-11-19 08:29:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24931 states to 24931 states and 36720 transitions. [2022-11-19 08:29:32,630 INFO L78 Accepts]: Start accepts. Automaton has 24931 states and 36720 transitions. Word has length 884 [2022-11-19 08:29:32,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:32,632 INFO L495 AbstractCegarLoop]: Abstraction has 24931 states and 36720 transitions. [2022-11-19 08:29:32,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-19 08:29:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 24931 states and 36720 transitions. [2022-11-19 08:29:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2022-11-19 08:29:32,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:32,670 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 26, 26, 26, 26, 26, 26, 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] [2022-11-19 08:29:32,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:29:32,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:32,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:32,671 INFO L85 PathProgramCache]: Analyzing trace with hash -102914224, now seen corresponding path program 1 times [2022-11-19 08:29:32,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:32,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642650864] [2022-11-19 08:29:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:32,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 15027 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15027 trivial. 0 not checked. [2022-11-19 08:29:34,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:34,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642650864] [2022-11-19 08:29:34,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642650864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:34,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:34,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:29:34,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426244572] [2022-11-19 08:29:34,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:34,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:29:34,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:29:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:29:34,500 INFO L87 Difference]: Start difference. First operand 24931 states and 36720 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-19 08:29:36,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:39,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:45,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:48,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:49,306 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 [] [2022-11-19 08:29:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:50,941 INFO L93 Difference]: Finished difference Result 71073 states and 104455 transitions. [2022-11-19 08:29:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:29:50,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 899 [2022-11-19 08:29:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:51,219 INFO L225 Difference]: With dead ends: 71073 [2022-11-19 08:29:51,219 INFO L226 Difference]: Without dead ends: 46275 [2022-11-19 08:29:51,327 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 [2022-11-19 08:29:51,330 INFO L413 NwaCegarLoop]: 6562 mSDtfsCounter, 4802 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4802 SdHoareTripleChecker+Valid, 11977 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:51,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4802 Valid, 11977 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1005 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-19 08:29:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46275 states. [2022-11-19 08:29:54,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46275 to 46271. [2022-11-19 08:29:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46271 states, 29285 states have (on average 1.3450571965169882) internal successors, (39390), 30019 states have internal predecessors, (39390), 14098 states have call successors, (14098), 2920 states have call predecessors, (14098), 2887 states have return successors, (14435), 13853 states have call predecessors, (14435), 14097 states have call successors, (14435) [2022-11-19 08:29:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46271 states to 46271 states and 67923 transitions. [2022-11-19 08:29:54,820 INFO L78 Accepts]: Start accepts. Automaton has 46271 states and 67923 transitions. Word has length 899 [2022-11-19 08:29:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:54,822 INFO L495 AbstractCegarLoop]: Abstraction has 46271 states and 67923 transitions. [2022-11-19 08:29:54,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-19 08:29:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 46271 states and 67923 transitions. [2022-11-19 08:29:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-11-19 08:29:54,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:54,891 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 22, 22, 21, 21, 21, 21, 4, 3, 3, 3, 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] [2022-11-19 08:29:54,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:29:54,891 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1307996125, now seen corresponding path program 1 times [2022-11-19 08:29:54,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:54,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139753425] [2022-11-19 08:29:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13830 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13811 trivial. 0 not checked. [2022-11-19 08:29:57,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:57,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139753425] [2022-11-19 08:29:57,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139753425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:57,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:57,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:29:57,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023318123] [2022-11-19 08:29:57,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:57,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:29:57,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:57,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:29:57,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:29:57,378 INFO L87 Difference]: Start difference. First operand 46271 states and 67923 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-19 08:29:59,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:03,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:05,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:11,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:12,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:16,768 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 [] [2022-11-19 08:30:18,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:18,330 INFO L93 Difference]: Finished difference Result 136052 states and 199763 transitions. [2022-11-19 08:30:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:18,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 947 [2022-11-19 08:30:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:18,895 INFO L225 Difference]: With dead ends: 136052 [2022-11-19 08:30:18,895 INFO L226 Difference]: Without dead ends: 89914 [2022-11-19 08:30:19,106 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 [2022-11-19 08:30:19,107 INFO L413 NwaCegarLoop]: 7607 mSDtfsCounter, 5423 mSDsluCounter, 5262 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5423 SdHoareTripleChecker+Valid, 12869 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:19,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5423 Valid, 12869 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1060 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2022-11-19 08:30:19,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89914 states. [2022-11-19 08:30:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89914 to 89911. [2022-11-19 08:30:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89911 states, 57016 states have (on average 1.3466395397783077) internal successors, (76780), 58412 states have internal predecessors, (76780), 27288 states have call successors, (27288), 5671 states have call predecessors, (27288), 5606 states have return successors, (27953), 26821 states have call predecessors, (27953), 27287 states have call successors, (27953) [2022-11-19 08:30:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89911 states to 89911 states and 132021 transitions. [2022-11-19 08:30:25,894 INFO L78 Accepts]: Start accepts. Automaton has 89911 states and 132021 transitions. Word has length 947 [2022-11-19 08:30:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:25,895 INFO L495 AbstractCegarLoop]: Abstraction has 89911 states and 132021 transitions. [2022-11-19 08:30:25,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-19 08:30:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 89911 states and 132021 transitions. [2022-11-19 08:30:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2022-11-19 08:30:26,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:26,309 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 22, 22, 21, 21, 21, 21, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 08:30:26,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:30:26,310 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:26,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:26,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1113628408, now seen corresponding path program 1 times [2022-11-19 08:30:26,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:26,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530602190] [2022-11-19 08:30:26,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:26,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14330 trivial. 0 not checked. [2022-11-19 08:30:28,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:28,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530602190] [2022-11-19 08:30:28,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530602190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:28,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:28,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:28,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103184745] [2022-11-19 08:30:28,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:28,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:28,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:28,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:28,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:28,827 INFO L87 Difference]: Start difference. First operand 89911 states and 132021 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-19 08:30:30,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:33,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:40,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:42,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:47,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:48,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:49,830 INFO L93 Difference]: Finished difference Result 179693 states and 263847 transitions. [2022-11-19 08:30:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:49,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 979 [2022-11-19 08:30:49,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:50,409 INFO L225 Difference]: With dead ends: 179693 [2022-11-19 08:30:50,410 INFO L226 Difference]: Without dead ends: 89883 [2022-11-19 08:30:51,046 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 [2022-11-19 08:30:51,048 INFO L413 NwaCegarLoop]: 5465 mSDtfsCounter, 0 mSDsluCounter, 5461 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10926 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:51,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10926 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 949 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2022-11-19 08:30:51,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89883 states. [2022-11-19 08:30:55,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89883 to 89803. [2022-11-19 08:30:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89803 states, 56924 states have (on average 1.346497083831073) internal successors, (76648), 58328 states have internal predecessors, (76648), 27280 states have call successors, (27280), 5663 states have call predecessors, (27280), 5598 states have return successors, (27945), 26805 states have call predecessors, (27945), 27279 states have call successors, (27945) [2022-11-19 08:30:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89803 states to 89803 states and 131873 transitions. [2022-11-19 08:30:56,078 INFO L78 Accepts]: Start accepts. Automaton has 89803 states and 131873 transitions. Word has length 979 [2022-11-19 08:30:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:56,079 INFO L495 AbstractCegarLoop]: Abstraction has 89803 states and 131873 transitions. [2022-11-19 08:30:56,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-19 08:30:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 89803 states and 131873 transitions. [2022-11-19 08:30:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2022-11-19 08:30:56,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:56,136 INFO L195 NwaCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 21, 21, 21, 21, 21, 21, 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] [2022-11-19 08:30:56,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:30:56,136 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:56,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1122875894, now seen corresponding path program 1 times [2022-11-19 08:30:56,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:56,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687929030] [2022-11-19 08:30:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 27041 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 27030 trivial. 0 not checked. [2022-11-19 08:30:59,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:59,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687929030] [2022-11-19 08:30:59,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687929030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:59,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:59,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145985318] [2022-11-19 08:30:59,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:59,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:59,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:59,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:59,089 INFO L87 Difference]: Start difference. First operand 89803 states and 131873 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-19 08:31:01,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:08,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:18,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:20,053 INFO L93 Difference]: Finished difference Result 224407 states and 329569 transitions. [2022-11-19 08:31:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:31:20,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 1109 [2022-11-19 08:31:20,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:20,660 INFO L225 Difference]: With dead ends: 224407 [2022-11-19 08:31:20,660 INFO L226 Difference]: Without dead ends: 134737 [2022-11-19 08:31:20,923 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 [2022-11-19 08:31:20,923 INFO L413 NwaCegarLoop]: 9834 mSDtfsCounter, 5665 mSDsluCounter, 5435 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5665 SdHoareTripleChecker+Valid, 15269 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:20,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5665 Valid, 15269 Invalid, 1296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1292 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2022-11-19 08:31:21,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134737 states. [2022-11-19 08:31:27,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134737 to 134730. [2022-11-19 08:31:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134730 states, 85424 states have (on average 1.3465536617344072) internal successors, (115028), 87536 states have internal predecessors, (115028), 40913 states have call successors, (40913), 8489 states have call predecessors, (40913), 8392 states have return successors, (41916), 40200 states have call predecessors, (41916), 40912 states have call successors, (41916) [2022-11-19 08:31:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134730 states to 134730 states and 197857 transitions. [2022-11-19 08:31:28,017 INFO L78 Accepts]: Start accepts. Automaton has 134730 states and 197857 transitions. Word has length 1109 [2022-11-19 08:31:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:28,021 INFO L495 AbstractCegarLoop]: Abstraction has 134730 states and 197857 transitions. [2022-11-19 08:31:28,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-19 08:31:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 134730 states and 197857 transitions. [2022-11-19 08:31:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2022-11-19 08:31:28,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:28,164 INFO L195 NwaCegarLoop]: trace histogram [76, 76, 76, 76, 76, 76, 76, 76, 76, 21, 21, 21, 21, 21, 21, 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] [2022-11-19 08:31:28,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:31:28,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:28,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:28,165 INFO L85 PathProgramCache]: Analyzing trace with hash 678132240, now seen corresponding path program 1 times [2022-11-19 08:31:28,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:28,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039242103] [2022-11-19 08:31:28,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat