./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:10:41,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:10:41,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:10:41,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:10:41,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:10:41,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:10:41,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:10:41,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:10:41,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:10:41,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:10:41,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:10:41,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:10:41,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:10:41,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:10:41,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:10:41,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:10:41,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:10:41,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:10:41,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:10:41,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:10:41,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:10:41,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:10:41,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:10:41,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:10:41,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:10:41,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:10:41,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:10:41,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:10:41,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:10:41,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:10:41,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:10:41,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:10:41,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:10:41,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:10:41,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:10:41,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:10:41,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:10:41,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:10:41,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:10:41,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:10:41,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:10:41,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:10:41,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:10:41,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:10:41,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:10:41,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:10:41,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:10:41,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:10:41,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:10:41,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:10:41,189 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:10:41,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:10:41,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:10:41,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:10:41,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:10:41,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:10:41,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:10:41,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:10:41,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:10:41,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:10:41,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:10:41,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:10:41,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:10:41,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:10:41,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:10:41,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:10:41,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:10:41,194 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2021-12-21 17:10:41,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:10:41,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:10:41,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:10:41,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:10:41,418 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:10:41,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-12-21 17:10:41,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8988c0d/5ff60ce03b3e4f67924660138c774ec0/FLAG34b4b1ab0 [2021-12-21 17:10:42,283 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:10:42,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-12-21 17:10:42,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8988c0d/5ff60ce03b3e4f67924660138c774ec0/FLAG34b4b1ab0 [2021-12-21 17:10:42,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8988c0d/5ff60ce03b3e4f67924660138c774ec0 [2021-12-21 17:10:42,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:10:42,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:10:42,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:10:42,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:10:42,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:10:42,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:10:42" (1/1) ... [2021-12-21 17:10:42,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2b2b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:42, skipping insertion in model container [2021-12-21 17:10:42,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:10:42" (1/1) ... [2021-12-21 17:10:42,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:10:42,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:10:46,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-12-21 17:10:46,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-12-21 17:10:46,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-12-21 17:10:46,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-12-21 17:10:46,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:10:46,584 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:10:47,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-12-21 17:10:47,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-12-21 17:10:47,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-12-21 17:10:47,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-12-21 17:10:47,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:10:47,154 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:10:47,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47 WrapperNode [2021-12-21 17:10:47,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:10:47,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:10:47,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:10:47,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:10:47,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:47,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:47,687 INFO L137 Inliner]: procedures = 472, calls = 6567, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 16268 [2021-12-21 17:10:47,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:10:47,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:10:47,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:10:47,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:10:47,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:47,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:47,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:47,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:48,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:48,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:48,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:48,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:10:48,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:10:48,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:10:48,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:10:48,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (1/1) ... [2021-12-21 17:10:48,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:10:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:10:48,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 17:10:48,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 17:10:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_check_bssid [2021-12-21 17:10:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_check_bssid [2021-12-21 17:10:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bb_reg [2021-12-21 17:10:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bb_reg [2021-12-21 17:10:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 17:10:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 17:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:10:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-12-21 17:10:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-12-21 17:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_deinit_sw_vars [2021-12-21 17:10:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_deinit_sw_vars [2021-12-21 17:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-12-21 17:10:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-12-21 17:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-12-21 17:10:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-12-21 17:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-21 17:10:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-21 17:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:10:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-12-21 17:10:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-12-21 17:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bw_mode [2021-12-21 17:10:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bw_mode [2021-12-21 17:10:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:10:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:10:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:10:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:10:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 17:10:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 17:10:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2021-12-21 17:10:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2021-12-21 17:10:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_rf_serial_read [2021-12-21 17:10:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_rf_serial_read [2021-12-21 17:10:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:10:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_led_control [2021-12-21 17:10:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_led_control [2021-12-21 17:10:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_chk_fwcmd_iodone [2021-12-21 17:10:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_chk_fwcmd_iodone [2021-12-21 17:10:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2021-12-21 17:10:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2021-12-21 17:10:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_nullfunc [2021-12-21 17:10:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_nullfunc [2021-12-21 17:10:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:10:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:10:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-12-21 17:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-12-21 17:10:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:10:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-12-21 17:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-12-21 17:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:10:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-12-21 17:10:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-12-21 17:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:10:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:10:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_beacon_hwreg [2021-12-21 17:10:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_beacon_hwreg [2021-12-21 17:10:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:10:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:10:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_calculate_bit_shift [2021-12-21 17:10:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_calculate_bit_shift [2021-12-21 17:10:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:10:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:10:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:10:48,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:10:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-21 17:10:48,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-21 17:10:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-12-21 17:10:48,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-12-21 17:10:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-21 17:10:48,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-21 17:10:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_fw_cmd [2021-12-21 17:10:48,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_fw_cmd [2021-12-21 17:10:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_polling [2021-12-21 17:10:48,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_polling [2021-12-21 17:10:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-21 17:10:48,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-21 17:10:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:10:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:10:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:10:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-21 17:10:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-21 17:10:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_read_eeprom_info [2021-12-21 17:10:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_read_eeprom_info [2021-12-21 17:10:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:10:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:10:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-21 17:10:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-21 17:10:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_set_media_status [2021-12-21 17:10:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_set_media_status [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:10:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:10:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:10:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:10:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:10:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:10:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:10:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_set_sysclk [2021-12-21 17:10:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_set_sysclk [2021-12-21 17:10:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_off [2021-12-21 17:10:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_off [2021-12-21 17:10:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_halset_sysclk [2021-12-21 17:10:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_halset_sysclk [2021-12-21 17:10:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 17:10:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 17:10:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_hw_init [2021-12-21 17:10:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_hw_init [2021-12-21 17:10:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8192se_gpiobit3_cfg_inputmode [2021-12-21 17:10:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8192se_gpiobit3_cfg_inputmode [2021-12-21 17:10:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-12-21 17:10:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-12-21 17:10:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2021-12-21 17:10:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2021-12-21 17:10:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:10:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:10:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_get_hw_reg [2021-12-21 17:10:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_get_hw_reg [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_watchdog [2021-12-21 17:10:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_watchdog [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_config_rf [2021-12-21 17:10:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_config_rf [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_init_edca_turbo [2021-12-21 17:10:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_init_edca_turbo [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:10:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:10:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:10:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-12-21 17:10:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-12-21 17:10:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 17:10:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 17:10:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-21 17:10:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-21 17:10:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:10:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:10:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_interval [2021-12-21 17:10:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_interval [2021-12-21 17:10:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_txpower [2021-12-21 17:10:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_txpower [2021-12-21 17:10:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_suspend [2021-12-21 17:10:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_suspend [2021-12-21 17:10:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_firmware_get_nextstatus [2021-12-21 17:10:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_firmware_get_nextstatus [2021-12-21 17:10:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-12-21 17:10:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-12-21 17:10:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_related_registers [2021-12-21 17:10:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_related_registers [2021-12-21 17:10:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-12-21 17:10:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-12-21 17:10:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:10:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:10:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:10:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:10:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-12-21 17:10:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-12-21 17:10:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_config_bb [2021-12-21 17:10:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_config_bb [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_hw_security_config [2021-12-21 17:10:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_hw_security_config [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-21 17:10:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_init_sw_leds [2021-12-21 17:10:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_init_sw_leds [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_check_ephy_switchready [2021-12-21 17:10:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_check_ephy_switchready [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:10:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_qos [2021-12-21 17:10:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_qos [2021-12-21 17:10:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-21 17:10:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-21 17:10:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:10:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_rf_onoff_detect [2021-12-21 17:10:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_rf_onoff_detect [2021-12-21 17:10:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_fill_cmddesc [2021-12-21 17:10:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_fill_cmddesc [2021-12-21 17:10:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_rfhalt [2021-12-21 17:10:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_rfhalt [2021-12-21 17:10:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_cmd_send_packet [2021-12-21 17:10:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_cmd_send_packet [2021-12-21 17:10:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-12-21 17:10:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-12-21 17:10:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-21 17:10:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-21 17:10:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2021-12-21 17:10:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2021-12-21 17:10:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2021-12-21 17:10:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:10:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-21 17:10:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 17:10:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_init_led [2021-12-21 17:10:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_init_led [2021-12-21 17:10:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:10:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:10:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___5 [2021-12-21 17:10:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___5 [2021-12-21 17:10:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2021-12-21 17:10:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2021-12-21 17:10:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-21 17:10:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-21 17:10:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-12-21 17:10:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-12-21 17:10:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-21 17:10:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-21 17:10:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 17:10:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 17:10:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_fw_set_rqpn [2021-12-21 17:10:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_fw_set_rqpn [2021-12-21 17:10:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-12-21 17:10:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-12-21 17:10:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:10:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 17:10:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:10:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-12-21 17:10:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_bb_reg [2021-12-21 17:10:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_bb_reg [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_rf_reg [2021-12-21 17:10:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_rf_reg [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_scan_operation_backup [2021-12-21 17:10:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_scan_operation_backup [2021-12-21 17:10:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-12-21 17:10:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-12-21 17:10:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-21 17:10:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-21 17:10:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2021-12-21 17:10:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2021-12-21 17:10:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-21 17:10:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-21 17:10:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:10:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:10:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_hal_rate_tbl [2021-12-21 17:10:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_hal_rate_tbl [2021-12-21 17:10:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-21 17:10:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-21 17:10:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:10:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:10:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_resume [2021-12-21 17:10:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_resume [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-12-21 17:10:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_on [2021-12-21 17:10:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_on [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:10:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_channel_access_setting [2021-12-21 17:10:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_channel_access_setting [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:10:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-12-21 17:10:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-12-21 17:10:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:10:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:10:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_init_sw_vars [2021-12-21 17:10:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_init_sw_vars [2021-12-21 17:10:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_rf_reg [2021-12-21 17:10:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_rf_reg [2021-12-21 17:10:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-21 17:10:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-21 17:10:49,401 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:10:49,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:10:49,594 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:11:10,776 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:11:13,959 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:11:13,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:11:13,991 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-12-21 17:11:13,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:11:13 BoogieIcfgContainer [2021-12-21 17:11:13,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:11:13,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:11:13,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:11:14,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:11:14,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:10:42" (1/3) ... [2021-12-21 17:11:14,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74747f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:11:14, skipping insertion in model container [2021-12-21 17:11:14,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:10:47" (2/3) ... [2021-12-21 17:11:14,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74747f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:11:14, skipping insertion in model container [2021-12-21 17:11:14,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:11:13" (3/3) ... [2021-12-21 17:11:14,004 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-12-21 17:11:14,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:11:14,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 17:11:14,072 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:11:14,085 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 17:11:14,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 17:11:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) [2021-12-21 17:11:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-21 17:11:14,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:11:14,198 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:11:14,199 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:11:14,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:11:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1114423871, now seen corresponding path program 1 times [2021-12-21 17:11:14,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:11:14,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121326653] [2021-12-21 17:11:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:11:14,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:11:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:11:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:11:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:11:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:11:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:11:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:11:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:11:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:11:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:11:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:11:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:11:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:11:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:11:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:11:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:11:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:11:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:11:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:11:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:11:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:11:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:11:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:11:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:11:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:11:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:11:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:11:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:11:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-21 17:11:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-12-21 17:11:15,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:11:15,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121326653] [2021-12-21 17:11:15,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121326653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:11:15,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:11:15,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:11:15,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441871302] [2021-12-21 17:11:15,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:11:15,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:11:15,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:11:15,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:11:15,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:11:15,728 INFO L87 Difference]: Start difference. First operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-21 17:11:19,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:11:26,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:11:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:11:32,084 INFO L93 Difference]: Finished difference Result 12562 states and 19564 transitions. [2021-12-21 17:11:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:11:32,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 314 [2021-12-21 17:11:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:11:32,149 INFO L225 Difference]: With dead ends: 12562 [2021-12-21 17:11:32,149 INFO L226 Difference]: Without dead ends: 7253 [2021-12-21 17:11:32,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:11:32,193 INFO L933 BasicCegarLoop]: 6602 mSDtfsCounter, 7475 mSDsluCounter, 7929 mSDsCounter, 0 mSdLazyCounter, 3207 mSolverCounterSat, 3385 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8444 SdHoareTripleChecker+Valid, 14531 SdHoareTripleChecker+Invalid, 6594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3385 IncrementalHoareTripleChecker+Valid, 3207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:11:32,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8444 Valid, 14531 Invalid, 6594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3385 Valid, 3207 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2021-12-21 17:11:32,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7253 states. [2021-12-21 17:11:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7253 to 7153. [2021-12-21 17:11:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7153 states, 5123 states have (on average 1.3495998438414991) internal successors, (6914), 5218 states have internal predecessors, (6914), 1823 states have call successors, (1823), 206 states have call predecessors, (1823), 205 states have return successors, (1820), 1770 states have call predecessors, (1820), 1820 states have call successors, (1820) [2021-12-21 17:11:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 10557 transitions. [2021-12-21 17:11:32,748 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 10557 transitions. Word has length 314 [2021-12-21 17:11:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:11:32,752 INFO L470 AbstractCegarLoop]: Abstraction has 7153 states and 10557 transitions. [2021-12-21 17:11:32,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-21 17:11:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 10557 transitions. [2021-12-21 17:11:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-21 17:11:32,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:11:32,761 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:11:32,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:11:32,761 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:11:32,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:11:32,764 INFO L85 PathProgramCache]: Analyzing trace with hash -130859928, now seen corresponding path program 1 times [2021-12-21 17:11:32,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:11:32,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32056059] [2021-12-21 17:11:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:11:32,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:11:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:11:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:11:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:11:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:11:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:11:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:11:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:11:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:11:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:11:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:11:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:11:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:11:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:11:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:11:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:11:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:11:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:11:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:11:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:11:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:11:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:11:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:11:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:11:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:11:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:11:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:11:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:11:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:11:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-12-21 17:11:33,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:11:33,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32056059] [2021-12-21 17:11:33,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32056059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:11:33,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:11:33,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:11:33,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641759551] [2021-12-21 17:11:33,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:11:33,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:11:33,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:11:33,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:11:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:11:33,809 INFO L87 Difference]: Start difference. First operand 7153 states and 10557 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-21 17:11:37,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []