./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/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_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:28:45,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:28:45,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:28:45,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:28:45,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:28:45,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:28:45,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:28:45,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:28:45,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:28:45,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:28:45,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:28:45,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:28:45,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:28:45,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:28:45,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:28:45,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:28:45,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:28:45,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:28:45,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:28:45,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:28:45,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:28:45,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:28:45,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:28:45,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:28:45,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:28:45,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:28:45,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:28:45,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:28:45,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:28:45,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:28:45,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:28:45,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:28:45,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:28:45,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:28:45,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:28:45,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:28:45,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:28:45,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:28:45,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:28:45,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:28:45,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:28:45,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:28:45,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:28:45,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:28:45,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:28:45,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:28:45,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:28:45,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:28:45,362 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:28:45,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:28:45,363 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:28:45,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:28:45,364 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:28:45,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:28:45,365 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:28:45,365 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:28:45,365 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:28:45,366 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:28:45,366 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:28:45,366 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:28:45,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:28:45,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:28:45,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:28:45,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:28:45,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:28:45,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:28:45,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:28:45,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:28:45,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:28:45,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:28:45,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:28:45,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:28:45,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:28:45,370 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:28:45,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:28:45,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:28:45,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:28:45,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:28:45,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:28:45,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:28:45,372 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_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811f76e6dcf7867c41caea68fec389c0ca46124bb64dc4727c646cbcbde9e73c [2022-11-23 15:28:45,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:28:45,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:28:45,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:28:45,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:28:45,743 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:28:45,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:28:48,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:28:49,934 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:28:49,934 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:28:50,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/data/92ec0f6b4/ad6b7997db0840d6a055f44b5f8602f8/FLAGea438d1a8 [2022-11-23 15:28:50,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/data/92ec0f6b4/ad6b7997db0840d6a055f44b5f8602f8 [2022-11-23 15:28:50,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:28:50,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:28:50,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:28:50,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:28:50,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:28:50,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:50" (1/1) ... [2022-11-23 15:28:50,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cb1974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:50, skipping insertion in model container [2022-11-23 15:28:50,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:50" (1/1) ... [2022-11-23 15:28:50,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:28:50,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:28:57,230 WARN L237 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_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/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] [2022-11-23 15:28:57,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:28:57,448 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:28:58,410 WARN L237 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_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/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] [2022-11-23 15:28:58,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:28:58,696 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:28:58,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58 WrapperNode [2022-11-23 15:28:58,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:28:58,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:28:58,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:28:58,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:28:58,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:28:58,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:00,036 INFO L138 Inliner]: procedures = 564, calls = 10786, calls flagged for inlining = 343, calls inlined = 337, statements flattened = 25674 [2022-11-23 15:29:00,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:29:00,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:29:00,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:29:00,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:29:00,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:00,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:00,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:00,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:29:01,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:29:01,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:29:01,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:29:01,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (1/1) ... [2022-11-23 15:29:01,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:29:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:29:01,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:29:01,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf25d0a-4b8b-48a2-ac7b-7e1ea2e466e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:29:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-23 15:29:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-23 15:29:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-23 15:29:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-23 15:29:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-23 15:29:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-23 15:29:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 15:29:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 15:29:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:29:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:29:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-23 15:29:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-23 15:29:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-23 15:29:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-23 15:29:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-23 15:29:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-23 15:29:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-23 15:29:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-23 15:29:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-23 15:29:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-23 15:29:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-23 15:29:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-23 15:29:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-23 15:29:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-23 15:29:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:29:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:29:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:29:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:29:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:29:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:29:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-23 15:29:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-23 15:29:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-23 15:29:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-23 15:29:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-23 15:29:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-23 15:29:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-23 15:29:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-23 15:29:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:29:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-23 15:29:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-23 15:29:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:29:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:29:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 15:29:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 15:29:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 15:29:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 15:29:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-23 15:29:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-23 15:29:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:29:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:29:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:29:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:29:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-23 15:29:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-23 15:29:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-23 15:29:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-23 15:29:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-23 15:29:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-23 15:29:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:29:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-23 15:29:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-23 15:29:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:29:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:29:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-23 15:29:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-23 15:29:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 15:29:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 15:29:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-23 15:29:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-23 15:29:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:29:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:29:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-23 15:29:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-23 15:29:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:29:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-23 15:29:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-23 15:29:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:29:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:29:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-23 15:29:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-23 15:29:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:29:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:29:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:29:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-23 15:29:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-23 15:29:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:29:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-23 15:29:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-23 15:29:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:29:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:29:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:29:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:29:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-23 15:29:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-23 15:29:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:29:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:29:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 15:29:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 15:29:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-23 15:29:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-23 15:29:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-23 15:29:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-23 15:29:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 15:29:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 15:29:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-23 15:29:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-23 15:29:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 15:29:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 15:29:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-23 15:29:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-23 15:29:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-23 15:29:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-23 15:29:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-23 15:29:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-23 15:29:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 15:29:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 15:29:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-23 15:29:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-23 15:29:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:29:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 15:29:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 15:29:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 15:29:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 15:29:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 15:29:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 15:29:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 15:29:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 15:29:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:29:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:29:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-23 15:29:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-23 15:29:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:29:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:29:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:29:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:29:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:29:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:29:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:29:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 15:29:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 15:29:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:29:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:29:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:29:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:29:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 15:29:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 15:29:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-23 15:29:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-23 15:29:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:29:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:29:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-23 15:29:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-23 15:29:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-23 15:29:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-23 15:29:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-23 15:29:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-23 15:29:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-23 15:29:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-23 15:29:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 15:29:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 15:29:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-23 15:29:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-23 15:29:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 15:29:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 15:29:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-23 15:29:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-23 15:29:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-23 15:29:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-23 15:29:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 15:29:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 15:29:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-23 15:29:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-23 15:29:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:29:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-23 15:29:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 15:29:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-23 15:29:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:29:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:29:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:29:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-23 15:29:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-23 15:29:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-23 15:29:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-23 15:29:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:29:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:29:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 15:29:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 15:29:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 15:29:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 15:29:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-23 15:29:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-23 15:29:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-23 15:29:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-23 15:29:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-23 15:29:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-23 15:29:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-23 15:29:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-23 15:29:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-23 15:29:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-23 15:29:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-23 15:29:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-23 15:29:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:29:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:29:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-23 15:29:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-23 15:29:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:29:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:29:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-23 15:29:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-23 15:29:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-23 15:29:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-23 15:29:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:29:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:29:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-23 15:29:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-23 15:29:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-23 15:29:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-23 15:29:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-23 15:29:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-23 15:29:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-23 15:29:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-23 15:29:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 15:29:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-23 15:29:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-23 15:29:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-23 15:29:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-23 15:29:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-23 15:29:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-23 15:29:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 15:29:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 15:29:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:29:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:29:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:29:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 15:29:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 15:29:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:29:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:29:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 15:29:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 15:29:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 15:29:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 15:29:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:29:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:29:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-23 15:29:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-23 15:29:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-23 15:29:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-23 15:29:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-23 15:29:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-23 15:29:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 15:29:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 15:29:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-23 15:29:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-23 15:29:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-23 15:29:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-23 15:29:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-23 15:29:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-23 15:29:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 15:29:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 15:29:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-23 15:29:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-23 15:29:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-23 15:29:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-23 15:29:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:29:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:29:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:29:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:29:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-23 15:29:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-23 15:29:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-23 15:29:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-23 15:29:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-23 15:29:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-23 15:29:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-23 15:29:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-23 15:29:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:29:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-23 15:29:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-23 15:29:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:29:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:29:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-23 15:29:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-23 15:29:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-23 15:29:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-23 15:29:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-23 15:29:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-23 15:29:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-23 15:29:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-23 15:29:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 15:29:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 15:29:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-23 15:29:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-23 15:29:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-23 15:29:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-23 15:29:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-23 15:29:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-23 15:29:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-23 15:29:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-23 15:29:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 15:29:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 15:29:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-23 15:29:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-23 15:29:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:29:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:29:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-23 15:29:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-23 15:29:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 15:29:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 15:29:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-23 15:29:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-23 15:29:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-23 15:29:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-23 15:29:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-23 15:29:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-23 15:29:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 15:29:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 15:29:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:29:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:29:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 15:29:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 15:29:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:29:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-23 15:29:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-23 15:29:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 15:29:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 15:29:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:29:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:29:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-23 15:29:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-23 15:29:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 15:29:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 15:29:04,429 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:29:04,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:29:08,946 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:31:15,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 15:31:16,026 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:31:26,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:31:26,705 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-23 15:31:26,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:26 BoogieIcfgContainer [2022-11-23 15:31:26,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:31:26,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:31:26,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:31:26,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:31:26,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:28:50" (1/3) ... [2022-11-23 15:31:26,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:26, skipping insertion in model container [2022-11-23 15:31:26,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:58" (2/3) ... [2022-11-23 15:31:26,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:26, skipping insertion in model container [2022-11-23 15:31:26,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:26" (3/3) ... [2022-11-23 15:31:26,723 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:31:26,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:31:26,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:31:26,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:31:26,903 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;@7eb96adb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:31:26,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:31:26,924 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) [2022-11-23 15:31:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-23 15:31:26,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:31:26,954 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] [2022-11-23 15:31:26,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:31:26,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:31:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2079635139, now seen corresponding path program 1 times [2022-11-23 15:31:26,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:31:26,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592007967] [2022-11-23 15:31:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:31:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:31:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-23 15:31:29,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:31:29,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592007967] [2022-11-23 15:31:29,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592007967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:31:29,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:31:29,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:31:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921839120] [2022-11-23 15:31:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:31:29,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:31:29,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:31:29,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:31:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:31:29,576 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 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-11-23 15:31:32,806 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 [] [2022-11-23 15:31:36,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:38,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:41,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:44,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:46,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:48,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:51,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:53,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:55,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:57,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:59,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:02,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:04,104 INFO L93 Difference]: Finished difference Result 11419 states and 17629 transitions. [2022-11-23 15:32:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:32:04,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 293 [2022-11-23 15:32:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:04,195 INFO L225 Difference]: With dead ends: 11419 [2022-11-23 15:32:04,195 INFO L226 Difference]: Without dead ends: 6669 [2022-11-23 15:32:04,235 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 [2022-11-23 15:32:04,241 INFO L413 NwaCegarLoop]: 6597 mSDtfsCounter, 5589 mSDsluCounter, 5368 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 21 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 11965 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:04,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5593 Valid, 11965 Invalid, 1179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1152 Invalid, 6 Unknown, 0 Unchecked, 33.8s Time] [2022-11-23 15:32:04,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2022-11-23 15:32:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 6664. [2022-11-23 15:32:05,205 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) [2022-11-23 15:32:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 10122 transitions. [2022-11-23 15:32:05,264 INFO L78 Accepts]: Start accepts. Automaton has 6664 states and 10122 transitions. Word has length 293 [2022-11-23 15:32:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:05,266 INFO L495 AbstractCegarLoop]: Abstraction has 6664 states and 10122 transitions. [2022-11-23 15:32:05,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-11-23 15:32:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6664 states and 10122 transitions. [2022-11-23 15:32:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-23 15:32:05,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:05,284 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] [2022-11-23 15:32:05,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:32:05,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:32:05,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:05,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1429580067, now seen corresponding path program 1 times [2022-11-23 15:32:05,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:05,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003476440] [2022-11-23 15:32:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:05,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2022-11-23 15:32:09,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:09,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003476440] [2022-11-23 15:32:09,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003476440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:09,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:09,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:32:09,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517253509] [2022-11-23 15:32:09,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:09,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:32:09,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:09,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:32:09,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:32:09,122 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) [2022-11-23 15:32:12,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:16,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:19,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:23,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:26,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:28,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:31,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:34,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:35,487 INFO L93 Difference]: Finished difference Result 9946 states and 15103 transitions. [2022-11-23 15:32:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:32:35,489 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 [2022-11-23 15:32:35,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:35,561 INFO L225 Difference]: With dead ends: 9946 [2022-11-23 15:32:35,561 INFO L226 Difference]: Without dead ends: 9930 [2022-11-23 15:32:35,568 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 [2022-11-23 15:32:35,570 INFO L413 NwaCegarLoop]: 5897 mSDtfsCounter, 4921 mSDsluCounter, 10534 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4927 SdHoareTripleChecker+Valid, 16431 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:35,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4927 Valid, 16431 Invalid, 1585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1577 Invalid, 8 Unknown, 0 Unchecked, 25.8s Time] [2022-11-23 15:32:35,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9930 states. [2022-11-23 15:32:36,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9930 to 9922. [2022-11-23 15:32:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9922 states, 6339 states have (on average 1.3576273860230321) internal successors, (8606), 6537 states have internal predecessors, (8606), 3231 states have call successors, (3231), 352 states have call predecessors, (3231), 351 states have return successors, (3234), 3127 states have call predecessors, (3234), 3228 states have call successors, (3234) [2022-11-23 15:32:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9922 states to 9922 states and 15071 transitions. [2022-11-23 15:32:36,571 INFO L78 Accepts]: Start accepts. Automaton has 9922 states and 15071 transitions. Word has length 338 [2022-11-23 15:32:36,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:36,574 INFO L495 AbstractCegarLoop]: Abstraction has 9922 states and 15071 transitions. [2022-11-23 15:32:36,574 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) [2022-11-23 15:32:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9922 states and 15071 transitions. [2022-11-23 15:32:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-11-23 15:32:36,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:36,605 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] [2022-11-23 15:32:36,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:32:36,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:32:36,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1216615725, now seen corresponding path program 1 times [2022-11-23 15:32:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:36,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402498166] [2022-11-23 15:32:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2939 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-11-23 15:32:43,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:43,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402498166] [2022-11-23 15:32:43,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402498166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:43,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:43,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:32:43,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345898516] [2022-11-23 15:32:43,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:43,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:32:43,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:43,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:32:43,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:32:43,749 INFO L87 Difference]: Start difference. First operand 9922 states and 15071 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) [2022-11-23 15:32:46,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:52,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:54,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:57,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:01,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:03,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:05,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:07,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:10,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:10,644 INFO L93 Difference]: Finished difference Result 22989 states and 34846 transitions. [2022-11-23 15:33:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:33:10,645 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 [2022-11-23 15:33:10,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:10,725 INFO L225 Difference]: With dead ends: 22989 [2022-11-23 15:33:10,725 INFO L226 Difference]: Without dead ends: 13122 [2022-11-23 15:33:10,764 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 [2022-11-23 15:33:10,765 INFO L413 NwaCegarLoop]: 5475 mSDtfsCounter, 3205 mSDsluCounter, 4614 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 10089 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:10,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3208 Valid, 10089 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1149 Invalid, 7 Unknown, 0 Unchecked, 26.4s Time] [2022-11-23 15:33:10,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13122 states. [2022-11-23 15:33:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13122 to 13106. [2022-11-23 15:33:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13106 states, 8318 states have (on average 1.3497234912238518) internal successors, (11227), 8598 states have internal predecessors, (11227), 4285 states have call successors, (4285), 503 states have call predecessors, (4285), 502 states have return successors, (4291), 4137 states have call predecessors, (4291), 4282 states have call successors, (4291) [2022-11-23 15:33:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13106 states to 13106 states and 19803 transitions. [2022-11-23 15:33:11,980 INFO L78 Accepts]: Start accepts. Automaton has 13106 states and 19803 transitions. Word has length 361 [2022-11-23 15:33:11,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:11,987 INFO L495 AbstractCegarLoop]: Abstraction has 13106 states and 19803 transitions. [2022-11-23 15:33:11,987 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) [2022-11-23 15:33:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 13106 states and 19803 transitions. [2022-11-23 15:33:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-23 15:33:12,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:12,036 INFO L195 NwaCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:12,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:33:12,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:33:12,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1096382368, now seen corresponding path program 1 times [2022-11-23 15:33:12,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:33:12,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270655561] [2022-11-23 15:33:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:12,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:33:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3274 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3254 trivial. 0 not checked. [2022-11-23 15:33:16,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:33:16,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270655561] [2022-11-23 15:33:16,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270655561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:16,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:16,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:33:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027463218] [2022-11-23 15:33:16,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:16,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:33:16,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:33:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:33:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:33:16,302 INFO L87 Difference]: Start difference. First operand 13106 states and 19803 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-11-23 15:33:19,411 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 [] [2022-11-23 15:33:24,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:27,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:30,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:32,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:34,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:36,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:40,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:42,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:42,832 INFO L93 Difference]: Finished difference Result 28330 states and 42809 transitions. [2022-11-23 15:33:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:33:42,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 421 [2022-11-23 15:33:42,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:42,928 INFO L225 Difference]: With dead ends: 28330 [2022-11-23 15:33:42,928 INFO L226 Difference]: Without dead ends: 17414 [2022-11-23 15:33:42,972 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 [2022-11-23 15:33:42,977 INFO L413 NwaCegarLoop]: 7643 mSDtfsCounter, 3233 mSDsluCounter, 4612 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 12255 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:42,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 12255 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1447 Invalid, 7 Unknown, 0 Unchecked, 25.9s Time] [2022-11-23 15:33:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17414 states. [2022-11-23 15:33:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17414 to 17401. [2022-11-23 15:33:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17401 states, 11022 states have (on average 1.3479404826710215) internal successors, (14857), 11403 states have internal predecessors, (14857), 5698 states have call successors, (5698), 681 states have call predecessors, (5698), 680 states have return successors, (5707), 5496 states have call predecessors, (5707), 5695 states have call successors, (5707) [2022-11-23 15:33:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17401 states to 17401 states and 26262 transitions. [2022-11-23 15:33:44,635 INFO L78 Accepts]: Start accepts. Automaton has 17401 states and 26262 transitions. Word has length 421 [2022-11-23 15:33:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:44,637 INFO L495 AbstractCegarLoop]: Abstraction has 17401 states and 26262 transitions. [2022-11-23 15:33:44,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-11-23 15:33:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17401 states and 26262 transitions. [2022-11-23 15:33:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-11-23 15:33:44,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:44,690 INFO L195 NwaCegarLoop]: trace histogram [35, 27, 27, 27, 27, 27, 27, 8, 8, 5, 5, 5, 3, 3, 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] [2022-11-23 15:33:44,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:33:44,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:33:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 387470440, now seen corresponding path program 1 times [2022-11-23 15:33:44,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:33:44,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491902015] [2022-11-23 15:33:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:33:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2022-11-23 15:33:50,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:33:50,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491902015] [2022-11-23 15:33:50,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491902015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:50,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:50,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:33:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787547029] [2022-11-23 15:33:50,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:50,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:33:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:33:50,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:33:50,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:33:50,942 INFO L87 Difference]: Start difference. First operand 17401 states and 26262 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2022-11-23 15:33:53,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:03,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:06,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:09,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:11,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:14,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:19,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:24,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:26,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:28,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:29,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:29,058 INFO L93 Difference]: Finished difference Result 40453 states and 61014 transitions. [2022-11-23 15:34:29,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:34:29,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 444 [2022-11-23 15:34:29,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:29,191 INFO L225 Difference]: With dead ends: 40453 [2022-11-23 15:34:29,191 INFO L226 Difference]: Without dead ends: 25242 [2022-11-23 15:34:29,249 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 [2022-11-23 15:34:29,250 INFO L413 NwaCegarLoop]: 9683 mSDtfsCounter, 6215 mSDsluCounter, 6098 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 754 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6220 SdHoareTripleChecker+Valid, 15781 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 754 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:34:29,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6220 Valid, 15781 Invalid, 4113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [754 Valid, 3350 Invalid, 9 Unknown, 0 Unchecked, 37.1s Time] [2022-11-23 15:34:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25242 states. [2022-11-23 15:34:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25242 to 25226. [2022-11-23 15:34:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25226 states, 15892 states have (on average 1.344638811980871) internal successors, (21369), 16468 states have internal predecessors, (21369), 8319 states have call successors, (8319), 1015 states have call predecessors, (8319), 1014 states have return successors, (8335), 8015 states have call predecessors, (8335), 8316 states have call successors, (8335) [2022-11-23 15:34:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25226 states to 25226 states and 38023 transitions. [2022-11-23 15:34:31,457 INFO L78 Accepts]: Start accepts. Automaton has 25226 states and 38023 transitions. Word has length 444 [2022-11-23 15:34:31,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:31,459 INFO L495 AbstractCegarLoop]: Abstraction has 25226 states and 38023 transitions. [2022-11-23 15:34:31,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2022-11-23 15:34:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 25226 states and 38023 transitions. [2022-11-23 15:34:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-23 15:34:31,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:31,543 INFO L195 NwaCegarLoop]: trace histogram [37, 27, 27, 27, 27, 27, 27, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:31,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:34:31,544 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:31,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:31,545 INFO L85 PathProgramCache]: Analyzing trace with hash -86815343, now seen corresponding path program 1 times [2022-11-23 15:34:31,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:31,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403816151] [2022-11-23 15:34:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3629 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3602 trivial. 0 not checked. [2022-11-23 15:34:38,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:38,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403816151] [2022-11-23 15:34:38,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403816151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:38,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:38,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:34:38,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807546758] [2022-11-23 15:34:38,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:38,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:34:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:34:38,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:34:38,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:34:38,277 INFO L87 Difference]: Start difference. First operand 25226 states and 38023 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-11-23 15:34:41,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:46,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:48,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:51,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:52,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:54,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:57,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:34:59,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:02,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:05,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:07,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:07,215 INFO L93 Difference]: Finished difference Result 70872 states and 106877 transitions. [2022-11-23 15:35:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:35:07,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 479 [2022-11-23 15:35:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:07,506 INFO L225 Difference]: With dead ends: 70872 [2022-11-23 15:35:07,506 INFO L226 Difference]: Without dead ends: 47836 [2022-11-23 15:35:07,599 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 [2022-11-23 15:35:07,600 INFO L413 NwaCegarLoop]: 7902 mSDtfsCounter, 4916 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4920 SdHoareTripleChecker+Valid, 12602 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:07,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4920 Valid, 12602 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1327 Invalid, 8 Unknown, 0 Unchecked, 27.6s Time] [2022-11-23 15:35:07,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47836 states. [2022-11-23 15:35:10,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47836 to 47832. [2022-11-23 15:35:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47832 states, 30162 states have (on average 1.344937338372787) internal successors, (40566), 31245 states have internal predecessors, (40566), 15758 states have call successors, (15758), 1912 states have call predecessors, (15758), 1911 states have return successors, (15794), 15196 states have call predecessors, (15794), 15755 states have call successors, (15794) [2022-11-23 15:35:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47832 states to 47832 states and 72118 transitions. [2022-11-23 15:35:11,163 INFO L78 Accepts]: Start accepts. Automaton has 47832 states and 72118 transitions. Word has length 479 [2022-11-23 15:35:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:11,164 INFO L495 AbstractCegarLoop]: Abstraction has 47832 states and 72118 transitions. [2022-11-23 15:35:11,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-11-23 15:35:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 47832 states and 72118 transitions. [2022-11-23 15:35:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-23 15:35:11,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:35:11,275 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] [2022-11-23 15:35:11,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:35:11,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:35:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:35:11,276 INFO L85 PathProgramCache]: Analyzing trace with hash 321238218, now seen corresponding path program 1 times [2022-11-23 15:35:11,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:35:11,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890256504] [2022-11-23 15:35:11,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:35:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:35:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:35:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3718 trivial. 0 not checked. [2022-11-23 15:35:17,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:35:17,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890256504] [2022-11-23 15:35:17,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890256504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:35:17,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:35:17,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:35:17,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481743237] [2022-11-23 15:35:17,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:35:17,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:35:17,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:35:17,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:35:17,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:35:17,212 INFO L87 Difference]: Start difference. First operand 47832 states and 72118 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2022-11-23 15:35:20,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:25,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:28,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:32,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:34,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:36,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:39,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:41,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:44,022 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 [] [2022-11-23 15:35:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:46,225 INFO L93 Difference]: Finished difference Result 104661 states and 157819 transitions. [2022-11-23 15:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:35:46,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 [2022-11-23 15:35:46,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:46,661 INFO L225 Difference]: With dead ends: 104661 [2022-11-23 15:35:46,661 INFO L226 Difference]: Without dead ends: 59019 [2022-11-23 15:35:46,802 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 [2022-11-23 15:35:46,804 INFO L413 NwaCegarLoop]: 9179 mSDtfsCounter, 4886 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 13879 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:46,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 13879 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1521 Invalid, 8 Unknown, 0 Unchecked, 26.8s Time] [2022-11-23 15:35:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59019 states. [2022-11-23 15:35:51,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59019 to 58992. [2022-11-23 15:35:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58992 states, 37215 states have (on average 1.3449415558242643) internal successors, (50052), 38546 states have internal predecessors, (50052), 19421 states have call successors, (19421), 2355 states have call predecessors, (19421), 2355 states have return successors, (19470), 18735 states have call predecessors, (19470), 19418 states have call successors, (19470) [2022-11-23 15:35:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58992 states to 58992 states and 88943 transitions. [2022-11-23 15:35:51,311 INFO L78 Accepts]: Start accepts. Automaton has 58992 states and 88943 transitions. Word has length 494 [2022-11-23 15:35:51,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:51,313 INFO L495 AbstractCegarLoop]: Abstraction has 58992 states and 88943 transitions. [2022-11-23 15:35:51,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2022-11-23 15:35:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 58992 states and 88943 transitions. [2022-11-23 15:35:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-23 15:35:51,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:35:51,761 INFO L195 NwaCegarLoop]: trace histogram [39, 27, 27, 27, 27, 27, 27, 11, 11, 8, 8, 8, 5, 5, 4, 4, 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, 1, 1, 1, 1] [2022-11-23 15:35:51,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:35:51,761 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:35:51,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:35:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash 235960005, now seen corresponding path program 1 times [2022-11-23 15:35:51,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:35:51,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131179779] [2022-11-23 15:35:51,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:35:51,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:35:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:35:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3903 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3871 trivial. 0 not checked. [2022-11-23 15:35:56,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:35:56,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131179779] [2022-11-23 15:35:56,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131179779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:35:56,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:35:56,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:35:56,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222771614] [2022-11-23 15:35:56,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:35:56,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:35:56,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:35:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:35:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:35:56,270 INFO L87 Difference]: Start difference. First operand 58992 states and 88943 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 15:35:59,317 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 [] [2022-11-23 15:36:04,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:07,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:10,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:12,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:14,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:15,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:17,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:20,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:22,531 INFO L93 Difference]: Finished difference Result 120014 states and 180928 transitions. [2022-11-23 15:36:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:36:22,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 509 [2022-11-23 15:36:22,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:22,954 INFO L225 Difference]: With dead ends: 120014 [2022-11-23 15:36:22,954 INFO L226 Difference]: Without dead ends: 56931 [2022-11-23 15:36:23,113 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 [2022-11-23 15:36:23,114 INFO L413 NwaCegarLoop]: 7591 mSDtfsCounter, 3181 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 12288 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:23,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 12288 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1335 Invalid, 7 Unknown, 0 Unchecked, 24.2s Time] [2022-11-23 15:36:23,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56931 states. [2022-11-23 15:36:26,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56931 to 56914. [2022-11-23 15:36:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56914 states, 35899 states have (on average 1.3448564026853116) internal successors, (48279), 37179 states have internal predecessors, (48279), 18737 states have call successors, (18737), 2277 states have call predecessors, (18737), 2277 states have return successors, (18783), 18080 states have call predecessors, (18783), 18734 states have call successors, (18783) [2022-11-23 15:36:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56914 states to 56914 states and 85799 transitions. [2022-11-23 15:36:27,134 INFO L78 Accepts]: Start accepts. Automaton has 56914 states and 85799 transitions. Word has length 509 [2022-11-23 15:36:27,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:27,134 INFO L495 AbstractCegarLoop]: Abstraction has 56914 states and 85799 transitions. [2022-11-23 15:36:27,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 15:36:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 56914 states and 85799 transitions. [2022-11-23 15:36:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-11-23 15:36:27,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:27,225 INFO L195 NwaCegarLoop]: trace histogram [39, 27, 27, 27, 27, 27, 27, 11, 11, 8, 8, 8, 5, 4, 4, 4, 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, 1, 1, 1, 1] [2022-11-23 15:36:27,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:36:27,225 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:36:27,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2021186185, now seen corresponding path program 1 times [2022-11-23 15:36:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:36:27,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539038427] [2022-11-23 15:36:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:36:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat