./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/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 811f76e6dcf7867c41caea68fec389c0ca46124bb64dc4727c646cbcbde9e73c --- 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 06:43:05,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:43:05,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:43:05,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:43:05,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:43:05,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:43:05,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:43:05,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:43:05,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:43:05,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:43:05,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:43:05,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:43:05,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:43:05,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:43:05,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:43:05,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:43:05,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:43:05,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:43:05,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:43:05,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:43:05,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:43:05,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:43:05,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:43:05,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:43:05,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:43:05,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:43:05,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:43:05,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:43:05,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:43:05,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:43:05,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:43:05,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:43:05,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:43:05,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:43:05,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:43:05,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:43:05,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:43:05,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:43:05,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:43:05,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:43:05,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:43:05,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:43:05,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:43:05,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:43:05,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:43:05,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:43:05,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:43:05,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:43:05,814 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:43:05,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:43:05,814 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:43:05,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:43:05,815 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:43:05,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:43:05,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:43:05,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:43:05,816 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:43:05,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:43:05,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:43:05,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:43:05,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:43:05,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:43:05,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:43:05,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:43:05,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:43:05,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:43:05,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:43:05,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:43:05,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:43:05,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:43:05,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:43:05,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:43:05,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:43:05,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:43:05,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:43:05,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:43:05,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:43:05,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:43:05,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:43:05,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:43:05,823 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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811f76e6dcf7867c41caea68fec389c0ca46124bb64dc4727c646cbcbde9e73c [2022-11-19 06:43:06,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:43:06,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:43:06,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:43:06,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:43:06,126 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:43:06,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:43:06,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/data/850d22e66/3b5b410affba42c3b52b0de0f584b66d/FLAGdba349931 [2022-11-19 06:43:07,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:43:07,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:43:07,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/data/850d22e66/3b5b410affba42c3b52b0de0f584b66d/FLAGdba349931 [2022-11-19 06:43:08,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/data/850d22e66/3b5b410affba42c3b52b0de0f584b66d [2022-11-19 06:43:08,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:43:08,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:43:08,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:08,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:43:08,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:43:08,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:08" (1/1) ... [2022-11-19 06:43:08,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fab3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:08, skipping insertion in model container [2022-11-19 06:43:08,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:08" (1/1) ... [2022-11-19 06:43:08,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:43:08,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:43:16,531 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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[882034,882047] [2022-11-19 06:43:16,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:43:16,748 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:43:17,593 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_12dbc063-e4e5-4ca3-b267-336bf03d13fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[882034,882047] [2022-11-19 06:43:17,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:43:17,904 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:43:17,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17 WrapperNode [2022-11-19 06:43:17,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:17,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:43:17,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:43:17,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:43:17,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:18,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:19,238 INFO L138 Inliner]: procedures = 564, calls = 10786, calls flagged for inlining = 343, calls inlined = 337, statements flattened = 26158 [2022-11-19 06:43:19,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:43:19,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:43:19,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:43:19,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:43:19,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:19,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:19,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:19,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:20,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:20,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:20,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:20,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:21,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:43:21,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:43:21,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:43:21,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:43:21,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:43:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:43:21,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:43:21,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dbc063-e4e5-4ca3-b267-336bf03d13fa/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:43:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-19 06:43:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-19 06:43:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-19 06:43:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-19 06:43:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-19 06:43:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-19 06:43:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 06:43:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 06:43:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:43:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:43:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-19 06:43:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-19 06:43:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-19 06:43:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-19 06:43:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-19 06:43:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-19 06:43:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-19 06:43:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-19 06:43:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-19 06:43:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-19 06:43:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-19 06:43:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-19 06:43:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-19 06:43:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-19 06:43:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:43:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:43:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:43:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:43:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 06:43:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 06:43:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-19 06:43:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-19 06:43:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-19 06:43:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-19 06:43:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-19 06:43:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-19 06:43:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-19 06:43:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-19 06:43:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:43:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-19 06:43:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-19 06:43:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 06:43:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 06:43:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-19 06:43:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-19 06:43:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-19 06:43:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-19 06:43:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-19 06:43:21,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-19 06:43:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:43:21,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:43:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:43:21,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:43:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-19 06:43:21,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-19 06:43:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-19 06:43:21,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-19 06:43:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-19 06:43:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-19 06:43:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:43:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-19 06:43:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-19 06:43:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 06:43:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 06:43:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-19 06:43:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-19 06:43:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-19 06:43:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-19 06:43:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-19 06:43:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-19 06:43:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:43:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:43:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 06:43:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 06:43:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:43:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-19 06:43:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-19 06:43:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:43:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:43:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-19 06:43:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-19 06:43:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:43:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 06:43:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 06:43:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-19 06:43:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-19 06:43:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:43:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-19 06:43:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-19 06:43:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:43:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:43:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:43:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:43:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-19 06:43:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-19 06:43:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 06:43:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 06:43:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 06:43:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 06:43:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-19 06:43:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-19 06:43:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-19 06:43:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-19 06:43:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-19 06:43:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-19 06:43:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-19 06:43:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-19 06:43:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-19 06:43:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-19 06:43:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-19 06:43:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-19 06:43:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-19 06:43:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-19 06:43:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-19 06:43:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-19 06:43:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-19 06:43:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-19 06:43:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-19 06:43:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-19 06:43:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:43:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 06:43:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 06:43:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 06:43:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 06:43:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 06:43:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 06:43:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 06:43:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 06:43:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 06:43:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 06:43:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-19 06:43:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-19 06:43:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:43:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:43:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:43:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:43:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:43:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:43:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:43:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-19 06:43:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-19 06:43:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:43:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:43:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:43:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:43:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-19 06:43:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-19 06:43:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-19 06:43:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-19 06:43:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 06:43:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 06:43:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-19 06:43:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-19 06:43:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-19 06:43:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-19 06:43:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-19 06:43:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-19 06:43:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-19 06:43:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-19 06:43:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-19 06:43:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-19 06:43:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-19 06:43:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-19 06:43:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-19 06:43:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-19 06:43:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-19 06:43:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-19 06:43:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-19 06:43:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-19 06:43:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-19 06:43:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-19 06:43:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-19 06:43:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-19 06:43:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:43:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:43:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 06:43:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 06:43:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-19 06:43:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-19 06:43:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-19 06:43:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-19 06:43:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:43:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:43:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:43:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:43:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-19 06:43:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-19 06:43:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-19 06:43:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-19 06:43:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 06:43:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 06:43:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-19 06:43:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-19 06:43:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 06:43:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 06:43:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-19 06:43:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-19 06:43:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-19 06:43:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-19 06:43:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-19 06:43:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-19 06:43:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-19 06:43:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-19 06:43:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-19 06:43:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-19 06:43:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-19 06:43:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-19 06:43:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 06:43:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 06:43:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-19 06:43:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-19 06:43:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:43:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:43:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-19 06:43:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-19 06:43:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-19 06:43:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-19 06:43:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 06:43:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 06:43:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-19 06:43:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-19 06:43:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-19 06:43:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-19 06:43:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-19 06:43:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-19 06:43:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-19 06:43:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-19 06:43:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-19 06:43:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-19 06:43:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:43:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:43:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-19 06:43:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-19 06:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-19 06:43:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-19 06:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-19 06:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-19 06:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-19 06:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-19 06:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-19 06:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-19 06:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-19 06:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-19 06:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-19 06:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 06:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 06:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-19 06:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-19 06:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-19 06:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-19 06:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-19 06:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 06:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-19 06:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-19 06:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-19 06:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-19 06:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-19 06:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-19 06:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-19 06:43:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-19 06:43:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 06:43:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 06:43:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:43:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:43:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-19 06:43:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-19 06:43:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:43:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-19 06:43:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-19 06:43:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-19 06:43:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-19 06:43:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 06:43:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 06:43:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-19 06:43:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-19 06:43:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-19 06:43:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-19 06:43:23,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:43:23,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:43:27,790 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:45:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 06:45:07,048 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:45:20,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:45:20,203 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-19 06:45:20,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:20 BoogieIcfgContainer [2022-11-19 06:45:20,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:45:20,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:45:20,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:45:20,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:45:20,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:43:08" (1/3) ... [2022-11-19 06:45:20,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeefff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:20, skipping insertion in model container [2022-11-19 06:45:20,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17" (2/3) ... [2022-11-19 06:45:20,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeefff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:20, skipping insertion in model container [2022-11-19 06:45:20,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:20" (3/3) ... [2022-11-19 06:45:20,236 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:45:20,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:45:20,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:45:20,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:45:20,458 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;@6708efaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:45:20,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:45:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 6044 states, 3689 states have (on average 1.371645432366495) internal successors, (5060), 3852 states have internal predecessors, (5060), 2201 states have call successors, (2201), 162 states have call predecessors, (2201), 161 states have return successors, (2191), 2122 states have call predecessors, (2191), 2191 states have call successors, (2191) [2022-11-19 06:45:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-19 06:45:20,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:20,552 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2022-11-19 06:45:20,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:20,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:20,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1739771722, now seen corresponding path program 1 times [2022-11-19 06:45:20,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:20,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034905967] [2022-11-19 06:45:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-19 06:45:23,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:23,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034905967] [2022-11-19 06:45:23,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034905967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:23,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:23,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:23,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71205575] [2022-11-19 06:45:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:23,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:23,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:23,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:23,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:23,358 INFO L87 Difference]: Start difference. First operand has 6044 states, 3689 states have (on average 1.371645432366495) internal successors, (5060), 3852 states have internal predecessors, (5060), 2201 states have call successors, (2201), 162 states have call predecessors, (2201), 161 states have return successors, (2191), 2122 states have call predecessors, (2191), 2191 states have call successors, (2191) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:45:26,610 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 06:45:29,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:34,134 WARN L539 Checker$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 06:45:36,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:40,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:43,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:45,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:49,941 WARN L539 Checker$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 06:45:52,165 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 06:45:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:53,795 INFO L93 Difference]: Finished difference Result 11419 states and 17629 transitions. [2022-11-19 06:45:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:53,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 294 [2022-11-19 06:45:53,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:53,858 INFO L225 Difference]: With dead ends: 11419 [2022-11-19 06:45:53,858 INFO L226 Difference]: Without dead ends: 6669 [2022-11-19 06:45:53,885 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 06:45:53,888 INFO L413 NwaCegarLoop]: 6579 mSDtfsCounter, 5587 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 21 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5591 SdHoareTripleChecker+Valid, 11929 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:53,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5591 Valid, 11929 Invalid, 1213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1183 Invalid, 9 Unknown, 0 Unchecked, 29.6s Time] [2022-11-19 06:45:53,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2022-11-19 06:45:54,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 6664. [2022-11-19 06:45:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6664 states, 4255 states have (on average 1.3562867215041128) internal successors, (5771), 4386 states have internal predecessors, (5771), 2176 states have call successors, (2176), 233 states have call predecessors, (2176), 232 states have return successors, (2175), 2108 states have call predecessors, (2175), 2173 states have call successors, (2175) [2022-11-19 06:45:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 10122 transitions. [2022-11-19 06:45:54,909 INFO L78 Accepts]: Start accepts. Automaton has 6664 states and 10122 transitions. Word has length 294 [2022-11-19 06:45:54,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:54,910 INFO L495 AbstractCegarLoop]: Abstraction has 6664 states and 10122 transitions. [2022-11-19 06:45:54,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:45:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 6664 states and 10122 transitions. [2022-11-19 06:45:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-19 06:45:54,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:54,932 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 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] [2022-11-19 06:45:54,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:45:54,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:54,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1963329282, now seen corresponding path program 1 times [2022-11-19 06:45:54,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:54,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210057834] [2022-11-19 06:45:54,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2022-11-19 06:45:57,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:57,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210057834] [2022-11-19 06:45:57,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210057834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:57,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:57,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:45:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106272684] [2022-11-19 06:45:57,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:57,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:45:57,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:57,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:45:57,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:45:57,977 INFO L87 Difference]: Start difference. First operand 6664 states and 10122 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 06:46:00,929 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 06:46:04,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:08,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:10,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:13,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:16,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:17,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:19,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:22,001 WARN L539 Checker$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 06:46:24,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:26,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:30,084 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 06:46:31,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:31,535 INFO L93 Difference]: Finished difference Result 9937 states and 15092 transitions. [2022-11-19 06:46:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:31,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 338 [2022-11-19 06:46:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:31,607 INFO L225 Difference]: With dead ends: 9937 [2022-11-19 06:46:31,607 INFO L226 Difference]: Without dead ends: 9921 [2022-11-19 06:46:31,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:31,617 INFO L413 NwaCegarLoop]: 5899 mSDtfsCounter, 4949 mSDsluCounter, 10526 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 16425 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:31,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4953 Valid, 16425 Invalid, 1630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1622 Invalid, 8 Unknown, 0 Unchecked, 33.1s Time] [2022-11-19 06:46:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9921 states. [2022-11-19 06:46:32,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9921 to 9916. [2022-11-19 06:46:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9916 states, 6333 states have (on average 1.3568608874151271) internal successors, (8593), 6530 states have internal predecessors, (8593), 3235 states have call successors, (3235), 348 states have call predecessors, (3235), 347 states have return successors, (3236), 3133 states have call predecessors, (3236), 3232 states have call successors, (3236) [2022-11-19 06:46:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9916 states to 9916 states and 15064 transitions. [2022-11-19 06:46:32,525 INFO L78 Accepts]: Start accepts. Automaton has 9916 states and 15064 transitions. Word has length 338 [2022-11-19 06:46:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:32,528 INFO L495 AbstractCegarLoop]: Abstraction has 9916 states and 15064 transitions. [2022-11-19 06:46:32,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 06:46:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 9916 states and 15064 transitions. [2022-11-19 06:46:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-11-19 06:46:32,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:32,557 INFO L195 NwaCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 4, 4, 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] [2022-11-19 06:46:32,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:46:32,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:32,558 INFO L85 PathProgramCache]: Analyzing trace with hash 810618422, now seen corresponding path program 1 times [2022-11-19 06:46:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:32,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066775974] [2022-11-19 06:46:32,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:32,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2939 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-11-19 06:46:38,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:38,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066775974] [2022-11-19 06:46:38,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066775974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:38,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:38,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:38,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811470010] [2022-11-19 06:46:38,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:38,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:38,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:38,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:38,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:38,276 INFO L87 Difference]: Start difference. First operand 9916 states and 15064 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-19 06:46:41,002 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 06:46:45,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:48,302 WARN L539 Checker$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 06:46:50,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:52,931 WARN L539 Checker$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 06:46:55,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:57,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:00,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:03,433 WARN L539 Checker$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 06:47:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:47:03,535 INFO L93 Difference]: Finished difference Result 23014 states and 34885 transitions. [2022-11-19 06:47:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:47:03,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 361 [2022-11-19 06:47:03,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:47:03,615 INFO L225 Difference]: With dead ends: 23014 [2022-11-19 06:47:03,615 INFO L226 Difference]: Without dead ends: 13153 [2022-11-19 06:47:03,654 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 06:47:03,655 INFO L413 NwaCegarLoop]: 5492 mSDtfsCounter, 3233 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 10096 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:47:03,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 10096 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1170 Invalid, 8 Unknown, 0 Unchecked, 24.7s Time] [2022-11-19 06:47:03,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13153 states. [2022-11-19 06:47:04,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13153 to 13140. [2022-11-19 06:47:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13140 states, 8336 states have (on average 1.348848368522073) internal successors, (11244), 8615 states have internal predecessors, (11244), 4303 states have call successors, (4303), 501 states have call predecessors, (4303), 500 states have return successors, (4305), 4159 states have call predecessors, (4305), 4300 states have call successors, (4305) [2022-11-19 06:47:04,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13140 states to 13140 states and 19852 transitions. [2022-11-19 06:47:04,932 INFO L78 Accepts]: Start accepts. Automaton has 13140 states and 19852 transitions. Word has length 361 [2022-11-19 06:47:04,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:47:04,936 INFO L495 AbstractCegarLoop]: Abstraction has 13140 states and 19852 transitions. [2022-11-19 06:47:04,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-19 06:47:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 13140 states and 19852 transitions. [2022-11-19 06:47:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-11-19 06:47:04,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:04,982 INFO L195 NwaCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:04,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:47:04,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:47:04,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:04,984 INFO L85 PathProgramCache]: Analyzing trace with hash -440634248, now seen corresponding path program 1 times [2022-11-19 06:47:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:04,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864354183] [2022-11-19 06:47:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3254 trivial. 0 not checked. [2022-11-19 06:47:09,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:09,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864354183] [2022-11-19 06:47:09,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864354183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:09,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:09,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:47:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974344398] [2022-11-19 06:47:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:09,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:47:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:09,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:47:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:47:09,047 INFO L87 Difference]: Start difference. First operand 13140 states and 19852 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 06:47:11,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:16,804 WARN L539 Checker$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 06:47:19,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:21,192 WARN L539 Checker$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 06:47:24,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:26,816 WARN L539 Checker$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 06:47:29,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:33,757 WARN L539 Checker$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 06:47:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:47:35,723 INFO L93 Difference]: Finished difference Result 28442 states and 42968 transitions. [2022-11-19 06:47:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:47:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 420 [2022-11-19 06:47:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:47:35,892 INFO L225 Difference]: With dead ends: 28442 [2022-11-19 06:47:35,892 INFO L226 Difference]: Without dead ends: 17468 [2022-11-19 06:47:35,932 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 06:47:35,936 INFO L413 NwaCegarLoop]: 7628 mSDtfsCounter, 3233 mSDsluCounter, 4602 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 12230 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:47:35,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 12230 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1473 Invalid, 7 Unknown, 0 Unchecked, 26.2s Time] [2022-11-19 06:47:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17468 states. [2022-11-19 06:47:37,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17468 to 17455. [2022-11-19 06:47:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17455 states, 11052 states have (on average 1.3471769815418024) internal successors, (14889), 11432 states have internal predecessors, (14889), 5723 states have call successors, (5723), 680 states have call predecessors, (5723), 679 states have return successors, (5727), 5526 states have call predecessors, (5727), 5720 states have call successors, (5727) [2022-11-19 06:47:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17455 states to 17455 states and 26339 transitions. [2022-11-19 06:47:37,463 INFO L78 Accepts]: Start accepts. Automaton has 17455 states and 26339 transitions. Word has length 420 [2022-11-19 06:47:37,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:47:37,464 INFO L495 AbstractCegarLoop]: Abstraction has 17455 states and 26339 transitions. [2022-11-19 06:47:37,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 06:47:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 17455 states and 26339 transitions. [2022-11-19 06:47:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-11-19 06:47:37,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:37,520 INFO L195 NwaCegarLoop]: trace histogram [35, 27, 27, 27, 27, 27, 27, 8, 8, 5, 5, 5, 3, 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] [2022-11-19 06:47:37,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:47:37,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:47:37,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash -29943667, now seen corresponding path program 1 times [2022-11-19 06:47:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:37,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874133119] [2022-11-19 06:47:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:37,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2022-11-19 06:47:43,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:43,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874133119] [2022-11-19 06:47:43,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874133119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:43,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:43,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:47:43,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431804291] [2022-11-19 06:47:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:43,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:47:43,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:47:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:47:43,309 INFO L87 Difference]: Start difference. First operand 17455 states and 26339 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-19 06:47:45,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:55,113 WARN L539 Checker$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 06:47:57,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:59,851 WARN L539 Checker$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 06:48:02,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:04,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:05,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:08,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:13,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:16,935 WARN L539 Checker$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 06:48:19,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:23,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:25,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:26,127 INFO L93 Difference]: Finished difference Result 40644 states and 61284 transitions. [2022-11-19 06:48:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:48:26,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 443 [2022-11-19 06:48:26,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:26,253 INFO L225 Difference]: With dead ends: 40644 [2022-11-19 06:48:26,253 INFO L226 Difference]: Without dead ends: 25355 [2022-11-19 06:48:26,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:48:26,308 INFO L413 NwaCegarLoop]: 9689 mSDtfsCounter, 6247 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 3388 mSolverCounterSat, 763 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6251 SdHoareTripleChecker+Valid, 15772 SdHoareTripleChecker+Invalid, 4159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 3388 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:26,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6251 Valid, 15772 Invalid, 4159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [763 Valid, 3388 Invalid, 8 Unknown, 0 Unchecked, 41.8s Time] [2022-11-19 06:48:26,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25355 states. [2022-11-19 06:48:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25355 to 25340. [2022-11-19 06:48:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25340 states, 15958 states have (on average 1.3439027447048502) internal successors, (21446), 16533 states have internal predecessors, (21446), 8365 states have call successors, (8365), 1017 states have call predecessors, (8365), 1016 states have return successors, (8373), 8069 states have call predecessors, (8373), 8362 states have call successors, (8373) [2022-11-19 06:48:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25340 states to 25340 states and 38184 transitions. [2022-11-19 06:48:28,763 INFO L78 Accepts]: Start accepts. Automaton has 25340 states and 38184 transitions. Word has length 443 [2022-11-19 06:48:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:28,765 INFO L495 AbstractCegarLoop]: Abstraction has 25340 states and 38184 transitions. [2022-11-19 06:48:28,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-19 06:48:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 25340 states and 38184 transitions. [2022-11-19 06:48:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-11-19 06:48:28,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:28,867 INFO L195 NwaCegarLoop]: trace histogram [37, 27, 27, 27, 27, 27, 27, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 06:48:28,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:48:28,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:48:28,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:28,868 INFO L85 PathProgramCache]: Analyzing trace with hash -772734900, now seen corresponding path program 1 times [2022-11-19 06:48:28,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:28,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234411053] [2022-11-19 06:48:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:28,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3631 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3602 trivial. 0 not checked. [2022-11-19 06:48:34,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:34,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234411053] [2022-11-19 06:48:34,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234411053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:48:34,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:48:34,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:48:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147958617] [2022-11-19 06:48:34,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:48:34,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:48:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:48:34,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:48:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:48:34,966 INFO L87 Difference]: Start difference. First operand 25340 states and 38184 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-19 06:48:37,738 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 06:48:42,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:45,411 WARN L539 Checker$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 06:48:48,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:50,569 WARN L539 Checker$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 06:48:52,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:56,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:58,521 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 06:48:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:59,800 INFO L93 Difference]: Finished difference Result 71262 states and 107426 transitions. [2022-11-19 06:48:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:48:59,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 480 [2022-11-19 06:48:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:00,019 INFO L225 Difference]: With dead ends: 71262 [2022-11-19 06:49:00,020 INFO L226 Difference]: Without dead ends: 48088 [2022-11-19 06:49:00,108 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 06:49:00,110 INFO L413 NwaCegarLoop]: 7898 mSDtfsCounter, 4914 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4918 SdHoareTripleChecker+Valid, 12588 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:00,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4918 Valid, 12588 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1350 Invalid, 7 Unknown, 0 Unchecked, 23.5s Time] [2022-11-19 06:49:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48088 states. [2022-11-19 06:49:04,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48088 to 48063. [2022-11-19 06:49:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48063 states, 30297 states have (on average 1.3443245205795953) internal successors, (40729), 31380 states have internal predecessors, (40729), 15848 states have call successors, (15848), 1918 states have call predecessors, (15848), 1917 states have return successors, (15868), 15300 states have call predecessors, (15868), 15845 states have call successors, (15868) [2022-11-19 06:49:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48063 states to 48063 states and 72445 transitions. [2022-11-19 06:49:04,389 INFO L78 Accepts]: Start accepts. Automaton has 48063 states and 72445 transitions. Word has length 480 [2022-11-19 06:49:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:04,391 INFO L495 AbstractCegarLoop]: Abstraction has 48063 states and 72445 transitions. [2022-11-19 06:49:04,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-19 06:49:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 48063 states and 72445 transitions. [2022-11-19 06:49:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-11-19 06:49:04,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:04,494 INFO L195 NwaCegarLoop]: trace histogram [38, 27, 27, 27, 27, 27, 27, 10, 10, 7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 06:49:04,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:49:04,495 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:04,495 INFO L85 PathProgramCache]: Analyzing trace with hash 176761123, now seen corresponding path program 1 times [2022-11-19 06:49:04,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:49:04,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538366701] [2022-11-19 06:49:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:04,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:49:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3762 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3736 trivial. 0 not checked. [2022-11-19 06:49:10,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:49:10,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538366701] [2022-11-19 06:49:10,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538366701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:10,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:49:10,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:49:10,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765868182] [2022-11-19 06:49:10,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:10,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:10,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:49:10,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:10,048 INFO L87 Difference]: Start difference. First operand 48063 states and 72445 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-19 06:49:12,757 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 06:49:18,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:21,092 WARN L539 Checker$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 06:49:24,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:27,302 WARN L539 Checker$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 06:49:29,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:31,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:34,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:35,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:37,426 INFO L93 Difference]: Finished difference Result 105115 states and 158433 transitions. [2022-11-19 06:49:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:37,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 495 [2022-11-19 06:49:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:37,717 INFO L225 Difference]: With dead ends: 105115 [2022-11-19 06:49:37,718 INFO L226 Difference]: Without dead ends: 59218 [2022-11-19 06:49:37,875 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 06:49:37,876 INFO L413 NwaCegarLoop]: 9068 mSDtfsCounter, 4845 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4851 SdHoareTripleChecker+Valid, 13758 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:37,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4851 Valid, 13758 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1520 Invalid, 8 Unknown, 0 Unchecked, 25.3s Time] [2022-11-19 06:49:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59218 states. [2022-11-19 06:49:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59218 to 59198. [2022-11-19 06:49:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59198 states, 37329 states have (on average 1.3443167510514613) internal successors, (50182), 38659 states have internal predecessors, (50182), 19498 states have call successors, (19498), 2371 states have call predecessors, (19498), 2370 states have return successors, (19530), 18826 states have call predecessors, (19530), 19495 states have call successors, (19530) [2022-11-19 06:49:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59198 states to 59198 states and 89210 transitions. [2022-11-19 06:49:42,553 INFO L78 Accepts]: Start accepts. Automaton has 59198 states and 89210 transitions. Word has length 495 [2022-11-19 06:49:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:42,554 INFO L495 AbstractCegarLoop]: Abstraction has 59198 states and 89210 transitions. [2022-11-19 06:49:42,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-19 06:49:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 59198 states and 89210 transitions. [2022-11-19 06:49:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-19 06:49:42,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:42,658 INFO L195 NwaCegarLoop]: trace histogram [38, 27, 27, 27, 27, 27, 27, 10, 10, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 06:49:42,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:49:42,658 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:42,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:42,659 INFO L85 PathProgramCache]: Analyzing trace with hash 875515932, now seen corresponding path program 1 times [2022-11-19 06:49:42,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:49:42,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961355405] [2022-11-19 06:49:42,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:49:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 3704 trivial. 0 not checked. [2022-11-19 06:49:47,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:49:47,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961355405] [2022-11-19 06:49:47,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961355405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:47,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:49:47,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:49:47,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342780677] [2022-11-19 06:49:47,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:47,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:49:47,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:47,581 INFO L87 Difference]: Start difference. First operand 59198 states and 89210 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-19 06:49:50,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:55,748 WARN L539 Checker$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 06:49:58,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:00,251 WARN L539 Checker$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 06:50:03,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:06,551 WARN L539 Checker$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 06:50:07,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:09,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:11,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:13,895 WARN L539 Checker$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 06:50:16,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:18,573 WARN L539 Checker$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 06:50:20,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:20,413 INFO L93 Difference]: Finished difference Result 100600 states and 151647 transitions. [2022-11-19 06:50:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:20,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 494 [2022-11-19 06:50:20,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:20,751 INFO L225 Difference]: With dead ends: 100600 [2022-11-19 06:50:20,751 INFO L226 Difference]: Without dead ends: 68431 [2022-11-19 06:50:21,029 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 06:50:21,029 INFO L413 NwaCegarLoop]: 9141 mSDtfsCounter, 4898 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4904 SdHoareTripleChecker+Valid, 13831 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:21,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4904 Valid, 13831 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1546 Invalid, 9 Unknown, 0 Unchecked, 30.7s Time] [2022-11-19 06:50:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68431 states.