/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:03:46,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:03:46,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:03:46,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:03:46,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:03:46,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:03:46,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:03:46,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:03:46,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:03:46,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:03:46,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:03:46,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:03:46,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:03:46,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:03:46,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:03:46,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:03:46,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:03:46,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:03:46,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:03:46,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:03:46,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:03:46,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:03:46,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:03:46,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:03:46,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:03:46,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:03:46,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:03:46,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:03:46,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:03:46,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:03:46,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:03:46,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:03:46,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:03:46,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:03:46,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:03:46,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:03:46,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:03:46,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:03:46,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:03:46,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:03:46,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:03:46,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:03:46,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:03:46,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:03:46,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:03:46,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:03:46,812 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:03:46,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:03:46,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:03:46,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:03:46,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:03:46,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:03:46,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:03:46,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:03:46,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:03:46,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:03:46,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:03:46,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:03:46,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:03:46,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:03:46,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:03:46,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:03:46,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:03:46,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:03:46,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:03:46,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:03:46,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:03:46,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:03:47,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:03:47,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:03:47,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:03:47,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:03:47,336 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:03:47,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2020-12-22 13:03:47,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c97df9cc/f8cdc3f40d3e41e6bdeb01269a6b21c2/FLAG6daf5b0e3 [2020-12-22 13:03:48,776 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:03:48,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2020-12-22 13:03:48,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c97df9cc/f8cdc3f40d3e41e6bdeb01269a6b21c2/FLAG6daf5b0e3 [2020-12-22 13:03:48,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c97df9cc/f8cdc3f40d3e41e6bdeb01269a6b21c2 [2020-12-22 13:03:48,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:03:48,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:03:48,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:03:48,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:03:48,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:03:48,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:03:48" (1/1) ... [2020-12-22 13:03:49,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e40b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:48, skipping insertion in model container [2020-12-22 13:03:49,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:03:48" (1/1) ... [2020-12-22 13:03:49,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:03:49,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:03:52,941 WARN L226 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2020-12-22 13:03:53,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:03:53,125 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:03:53,791 WARN L226 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2020-12-22 13:03:53,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:03:54,850 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:03:54,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54 WrapperNode [2020-12-22 13:03:54,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:03:54,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:03:54,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:03:54,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:03:54,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:55,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:56,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:03:56,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:03:56,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:03:56,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:03:56,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:56,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:57,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:57,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:59,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:59,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:03:59,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... [2020-12-22 13:04:00,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:04:00,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:04:00,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:04:00,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:04:00,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:04:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 13:04:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:04:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 13:04:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 13:04:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:04:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:04:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:04:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 13:04:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2020-12-22 13:04:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2020-12-22 13:04:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:04:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 13:04:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2020-12-22 13:04:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2020-12-22 13:04:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 13:04:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 13:04:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2020-12-22 13:04:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2020-12-22 13:04:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:04:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:04:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:04:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:04:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:04:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2020-12-22 13:04:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2020-12-22 13:05:51,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 13:05:51,137 INFO L299 CfgBuilder]: Removed 7922 assume(true) statements. [2020-12-22 13:05:51,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:05:51 BoogieIcfgContainer [2020-12-22 13:05:51,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 13:05:51,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 13:05:51,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 13:05:51,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 13:05:51,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:03:48" (1/3) ... [2020-12-22 13:05:51,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b0d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:05:51, skipping insertion in model container [2020-12-22 13:05:51,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:03:54" (2/3) ... [2020-12-22 13:05:51,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b0d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:05:51, skipping insertion in model container [2020-12-22 13:05:51,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:05:51" (3/3) ... [2020-12-22 13:05:51,159 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2020-12-22 13:05:51,167 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 13:05:51,176 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2020-12-22 13:05:51,199 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-12-22 13:05:51,261 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 13:05:51,262 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 13:05:51,262 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 13:05:51,262 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 13:05:51,262 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 13:05:51,262 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 13:05:51,262 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 13:05:51,263 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 13:05:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8322 states. [2020-12-22 13:05:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 13:05:51,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:05:51,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 13:05:51,398 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:05:51,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:05:51,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2017409674, now seen corresponding path program 1 times [2020-12-22 13:05:51,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:05:51,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649903210] [2020-12-22 13:05:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:05:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:05:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:05:52,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649903210] [2020-12-22 13:05:52,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:05:52,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:05:52,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957625390] [2020-12-22 13:05:52,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:05:52,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:05:52,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:05:52,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:05:52,406 INFO L87 Difference]: Start difference. First operand 8322 states. Second operand 3 states. [2020-12-22 13:05:56,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:05:56,239 INFO L93 Difference]: Finished difference Result 24013 states and 34573 transitions. [2020-12-22 13:05:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:05:56,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 13:05:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:05:56,397 INFO L225 Difference]: With dead ends: 24013 [2020-12-22 13:05:56,397 INFO L226 Difference]: Without dead ends: 15471 [2020-12-22 13:05:56,531 INFO L677 BasicCegarLoop]: 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 [2020-12-22 13:05:56,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15471 states. [2020-12-22 13:05:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15471 to 15445. [2020-12-22 13:05:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15445 states. [2020-12-22 13:05:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15445 states to 15445 states and 21710 transitions. [2020-12-22 13:05:57,365 INFO L78 Accepts]: Start accepts. Automaton has 15445 states and 21710 transitions. Word has length 6 [2020-12-22 13:05:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:05:57,366 INFO L481 AbstractCegarLoop]: Abstraction has 15445 states and 21710 transitions. [2020-12-22 13:05:57,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:05:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 15445 states and 21710 transitions. [2020-12-22 13:05:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 13:05:57,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:05:57,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:05:57,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 13:05:57,371 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:05:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:05:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1884783199, now seen corresponding path program 1 times [2020-12-22 13:05:57,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:05:57,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810938632] [2020-12-22 13:05:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:05:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:05:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:05:57,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810938632] [2020-12-22 13:05:57,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:05:57,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:05:57,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844289170] [2020-12-22 13:05:57,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:05:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:05:57,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:05:57,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:05:57,744 INFO L87 Difference]: Start difference. First operand 15445 states and 21710 transitions. Second operand 3 states. [2020-12-22 13:06:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:00,480 INFO L93 Difference]: Finished difference Result 15445 states and 21710 transitions. [2020-12-22 13:06:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:06:00,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-22 13:06:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:00,589 INFO L225 Difference]: With dead ends: 15445 [2020-12-22 13:06:00,590 INFO L226 Difference]: Without dead ends: 15443 [2020-12-22 13:06:00,600 INFO L677 BasicCegarLoop]: 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 [2020-12-22 13:06:00,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15443 states. [2020-12-22 13:06:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15443 to 15443. [2020-12-22 13:06:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15443 states. [2020-12-22 13:06:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15443 states to 15443 states and 21708 transitions. [2020-12-22 13:06:01,320 INFO L78 Accepts]: Start accepts. Automaton has 15443 states and 21708 transitions. Word has length 7 [2020-12-22 13:06:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:01,321 INFO L481 AbstractCegarLoop]: Abstraction has 15443 states and 21708 transitions. [2020-12-22 13:06:01,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:06:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 15443 states and 21708 transitions. [2020-12-22 13:06:01,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 13:06:01,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:01,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:01,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 13:06:01,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1701289332, now seen corresponding path program 1 times [2020-12-22 13:06:01,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:01,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923429003] [2020-12-22 13:06:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:06:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:06:01,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923429003] [2020-12-22 13:06:01,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:06:01,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:06:01,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676769605] [2020-12-22 13:06:01,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:06:01,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:06:01,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:06:01,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:06:01,704 INFO L87 Difference]: Start difference. First operand 15443 states and 21708 transitions. Second operand 3 states. [2020-12-22 13:06:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:04,358 INFO L93 Difference]: Finished difference Result 15443 states and 21708 transitions. [2020-12-22 13:06:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:06:04,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-22 13:06:04,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:04,772 INFO L225 Difference]: With dead ends: 15443 [2020-12-22 13:06:04,773 INFO L226 Difference]: Without dead ends: 15438 [2020-12-22 13:06:04,782 INFO L677 BasicCegarLoop]: 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 [2020-12-22 13:06:04,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15438 states. [2020-12-22 13:06:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15438 to 15438. [2020-12-22 13:06:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15438 states. [2020-12-22 13:06:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21701 transitions. [2020-12-22 13:06:05,784 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21701 transitions. Word has length 8 [2020-12-22 13:06:05,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:05,785 INFO L481 AbstractCegarLoop]: Abstraction has 15438 states and 21701 transitions. [2020-12-22 13:06:05,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:06:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21701 transitions. [2020-12-22 13:06:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 13:06:05,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:05,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:05,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 13:06:05,800 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:05,800 INFO L82 PathProgramCache]: Analyzing trace with hash 825537041, now seen corresponding path program 1 times [2020-12-22 13:06:05,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:05,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138118589] [2020-12-22 13:06:05,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:06:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:06:06,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138118589] [2020-12-22 13:06:06,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:06:06,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:06:06,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543623455] [2020-12-22 13:06:06,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:06:06,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:06:06,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:06:06,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:06:06,164 INFO L87 Difference]: Start difference. First operand 15438 states and 21701 transitions. Second operand 3 states. [2020-12-22 13:06:08,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:08,269 INFO L93 Difference]: Finished difference Result 30922 states and 43448 transitions. [2020-12-22 13:06:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:06:08,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 13:06:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:08,332 INFO L225 Difference]: With dead ends: 30922 [2020-12-22 13:06:08,332 INFO L226 Difference]: Without dead ends: 15486 [2020-12-22 13:06:08,413 INFO L677 BasicCegarLoop]: 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 [2020-12-22 13:06:08,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15486 states. [2020-12-22 13:06:09,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15486 to 15438. [2020-12-22 13:06:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15438 states. [2020-12-22 13:06:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21557 transitions. [2020-12-22 13:06:09,161 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21557 transitions. Word has length 36 [2020-12-22 13:06:09,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:09,162 INFO L481 AbstractCegarLoop]: Abstraction has 15438 states and 21557 transitions. [2020-12-22 13:06:09,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:06:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21557 transitions. [2020-12-22 13:06:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 13:06:09,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:09,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:09,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 13:06:09,167 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:09,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:09,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1750950292, now seen corresponding path program 1 times [2020-12-22 13:06:09,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:09,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912606799] [2020-12-22 13:06:09,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:06:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:06:09,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912606799] [2020-12-22 13:06:09,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:06:09,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:06:09,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480945002] [2020-12-22 13:06:09,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:06:09,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:06:09,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:06:09,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:06:09,759 INFO L87 Difference]: Start difference. First operand 15438 states and 21557 transitions. Second operand 5 states. [2020-12-22 13:06:17,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:17,686 INFO L93 Difference]: Finished difference Result 125800 states and 174497 transitions. [2020-12-22 13:06:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 13:06:17,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-12-22 13:06:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:18,476 INFO L225 Difference]: With dead ends: 125800 [2020-12-22 13:06:18,476 INFO L226 Difference]: Without dead ends: 110364 [2020-12-22 13:06:18,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 13:06:18,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110364 states. [2020-12-22 13:06:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110364 to 15456. [2020-12-22 13:06:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15456 states. [2020-12-22 13:06:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15456 states to 15456 states and 21575 transitions. [2020-12-22 13:06:20,763 INFO L78 Accepts]: Start accepts. Automaton has 15456 states and 21575 transitions. Word has length 39 [2020-12-22 13:06:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:20,764 INFO L481 AbstractCegarLoop]: Abstraction has 15456 states and 21575 transitions. [2020-12-22 13:06:20,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:06:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 15456 states and 21575 transitions. [2020-12-22 13:06:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 13:06:20,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:20,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:20,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 13:06:20,769 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:20,770 INFO L82 PathProgramCache]: Analyzing trace with hash 504688916, now seen corresponding path program 1 times [2020-12-22 13:06:20,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:20,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443040656] [2020-12-22 13:06:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:06:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:06:21,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443040656] [2020-12-22 13:06:21,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:06:21,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:06:21,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075896154] [2020-12-22 13:06:21,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:06:21,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:06:21,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:06:21,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:06:21,195 INFO L87 Difference]: Start difference. First operand 15456 states and 21575 transitions. Second operand 5 states. [2020-12-22 13:06:29,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:29,585 INFO L93 Difference]: Finished difference Result 126474 states and 175335 transitions. [2020-12-22 13:06:29,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 13:06:29,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-12-22 13:06:29,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:30,357 INFO L225 Difference]: With dead ends: 126474 [2020-12-22 13:06:30,359 INFO L226 Difference]: Without dead ends: 111020 [2020-12-22 13:06:30,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 13:06:30,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111020 states. [2020-12-22 13:06:32,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111020 to 15468. [2020-12-22 13:06:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15468 states. [2020-12-22 13:06:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15468 states to 15468 states and 21587 transitions. [2020-12-22 13:06:33,058 INFO L78 Accepts]: Start accepts. Automaton has 15468 states and 21587 transitions. Word has length 39 [2020-12-22 13:06:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:33,059 INFO L481 AbstractCegarLoop]: Abstraction has 15468 states and 21587 transitions. [2020-12-22 13:06:33,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:06:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15468 states and 21587 transitions. [2020-12-22 13:06:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 13:06:33,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:33,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:33,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 13:06:33,065 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:33,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:33,066 INFO L82 PathProgramCache]: Analyzing trace with hash -31052317, now seen corresponding path program 1 times [2020-12-22 13:06:33,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:33,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579043029] [2020-12-22 13:06:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:06:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:06:33,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579043029] [2020-12-22 13:06:33,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:06:33,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:06:33,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220606050] [2020-12-22 13:06:33,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:06:33,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:06:33,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:06:33,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:06:33,554 INFO L87 Difference]: Start difference. First operand 15468 states and 21587 transitions. Second operand 4 states. [2020-12-22 13:06:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:06:38,040 INFO L93 Difference]: Finished difference Result 71900 states and 100151 transitions. [2020-12-22 13:06:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:06:38,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-12-22 13:06:38,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:06:38,256 INFO L225 Difference]: With dead ends: 71900 [2020-12-22 13:06:38,257 INFO L226 Difference]: Without dead ends: 56434 [2020-12-22 13:06:38,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:06:38,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56434 states. [2020-12-22 13:06:40,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56434 to 15492. [2020-12-22 13:06:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15492 states. [2020-12-22 13:06:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15492 states to 15492 states and 21611 transitions. [2020-12-22 13:06:40,323 INFO L78 Accepts]: Start accepts. Automaton has 15492 states and 21611 transitions. Word has length 42 [2020-12-22 13:06:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:06:40,324 INFO L481 AbstractCegarLoop]: Abstraction has 15492 states and 21611 transitions. [2020-12-22 13:06:40,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:06:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 15492 states and 21611 transitions. [2020-12-22 13:06:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 13:06:40,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:06:40,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:06:40,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 13:06:40,330 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:06:40,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:06:40,331 INFO L82 PathProgramCache]: Analyzing trace with hash 514761064, now seen corresponding path program 1 times [2020-12-22 13:06:40,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:06:40,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825482723] [2020-12-22 13:06:40,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:06:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 13:06:45,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 13:06:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 13:06:49,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 13:06:50,119 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 13:06:50,119 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 13:06:50,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 13:06:50,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:06:50 BoogieIcfgContainer [2020-12-22 13:06:50,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 13:06:50,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 13:06:50,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 13:06:50,741 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 13:06:50,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:05:51" (3/4) ... [2020-12-22 13:06:50,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 13:06:50,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 13:06:50,753 INFO L168 Benchmark]: Toolchain (without parser) took 181766.84 ms. Allocated memory was 153.1 MB in the beginning and 5.8 GB in the end (delta: 5.7 GB). Free memory was 112.4 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,759 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 13:06:50,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5861.10 ms. Allocated memory was 153.1 MB in the beginning and 296.7 MB in the end (delta: 143.7 MB). Free memory was 112.2 MB in the beginning and 116.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 2030.08 ms. Allocated memory was 296.7 MB in the beginning and 640.7 MB in the end (delta: 343.9 MB). Free memory was 116.4 MB in the beginning and 432.5 MB in the end (delta: -316.1 MB). Peak memory consumption was 165.2 MB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,763 INFO L168 Benchmark]: Boogie Preprocessor took 3229.15 ms. Allocated memory was 640.7 MB in the beginning and 1.3 GB in the end (delta: 681.6 MB). Free memory was 432.5 MB in the beginning and 991.4 MB in the end (delta: -558.9 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,767 INFO L168 Benchmark]: RCFGBuilder took 111031.39 ms. Allocated memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: 1.3 GB). Free memory was 991.4 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,769 INFO L168 Benchmark]: TraceAbstraction took 59589.79 ms. Allocated memory was 2.7 GB in the beginning and 5.8 GB in the end (delta: 3.2 GB). Free memory was 2.0 GB in the beginning and 4.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-12-22 13:06:50,770 INFO L168 Benchmark]: Witness Printer took 8.73 ms. Allocated memory is still 5.8 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 13:06:50,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 5861.10 ms. Allocated memory was 153.1 MB in the beginning and 296.7 MB in the end (delta: 143.7 MB). Free memory was 112.2 MB in the beginning and 116.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 2030.08 ms. Allocated memory was 296.7 MB in the beginning and 640.7 MB in the end (delta: 343.9 MB). Free memory was 116.4 MB in the beginning and 432.5 MB in the end (delta: -316.1 MB). Peak memory consumption was 165.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 3229.15 ms. Allocated memory was 640.7 MB in the beginning and 1.3 GB in the end (delta: 681.6 MB). Free memory was 432.5 MB in the beginning and 991.4 MB in the end (delta: -558.9 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 111031.39 ms. Allocated memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: 1.3 GB). Free memory was 991.4 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. * TraceAbstraction took 59589.79 ms. Allocated memory was 2.7 GB in the beginning and 5.8 GB in the end (delta: 3.2 GB). Free memory was 2.0 GB in the beginning and 4.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Witness Printer took 8.73 ms. Allocated memory is still 5.8 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11975] EXPR vif->type VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L6486] return (pfo_ret__); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L9370] COND TRUE ! priv->hw_restart_in_progress [L9374] priv->fw_mutex_owner = 0 [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] [L13398] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={175:0}, ap_if_limits={217:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={362:0}, mwl8k_channels_50={79:0}, mwl8k_info_tbl={223:0}, mwl8k_ops={189:0}, mwl8k_rates_24={342:0}, mwl8k_rates_50={157:0}, rxd_ap_ops={219:0}, rxd_sta_ops={324:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 8322 locations, 42 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 58.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 35.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 151371 SDtfs, 189008 SDslu, 254629 SDs, 0 SdLazy, 1352 SolverSat, 2060 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15492occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 231476 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 6707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...