./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 22:44:32,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 22:44:32,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 22:44:32,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 22:44:32,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 22:44:32,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 22:44:32,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 22:44:32,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 22:44:32,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 22:44:32,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 22:44:32,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 22:44:32,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 22:44:32,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 22:44:32,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 22:44:32,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 22:44:32,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 22:44:32,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 22:44:32,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 22:44:32,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 22:44:32,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 22:44:32,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 22:44:32,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 22:44:32,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 22:44:32,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 22:44:32,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 22:44:32,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 22:44:32,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 22:44:32,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 22:44:32,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 22:44:32,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 22:44:32,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 22:44:32,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 22:44:32,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 22:44:32,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 22:44:32,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 22:44:32,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 22:44:32,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 22:44:32,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 22:44:32,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 22:44:32,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 22:44:32,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 22:44:32,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 22:44:32,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 22:44:32,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 22:44:32,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 22:44:32,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 22:44:32,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 22:44:32,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 22:44:32,998 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 22:44:32,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 22:44:32,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 22:44:32,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 22:44:32,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 22:44:33,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 22:44:33,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:44:33,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 22:44:33,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 22:44:33,002 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 22:44:33,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 22:44:33,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 22:44:33,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 22:44:33,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-22 22:44:33,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 22:44:33,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 22:44:33,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 22:44:33,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 22:44:33,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 22:44:33,256 INFO L432 ainManager$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 [2021-11-22 22:44:33,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fd5d9de/d3d21ec01e5e47049375cd5b661f4d9e/FLAG7a2e78d75 [2021-11-22 22:44:33,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 22:44:33,905 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 [2021-11-22 22:44:33,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fd5d9de/d3d21ec01e5e47049375cd5b661f4d9e/FLAG7a2e78d75 [2021-11-22 22:44:34,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fd5d9de/d3d21ec01e5e47049375cd5b661f4d9e [2021-11-22 22:44:34,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 22:44:34,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 22:44:34,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 22:44:34,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 22:44:34,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 22:44:34,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:44:34" (1/1) ... [2021-11-22 22:44:34,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2390d8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:34, skipping insertion in model container [2021-11-22 22:44:34,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:44:34" (1/1) ... [2021-11-22 22:44:34,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 22:44:34,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:44:36,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-22 22:44:36,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:44:36,325 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 22:44:36,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-22 22:44:36,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:44:36,732 INFO L208 MainTranslator]: Completed translation [2021-11-22 22:44:36,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36 WrapperNode [2021-11-22 22:44:36,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 22:44:36,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 22:44:36,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 22:44:36,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 22:44:36,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:36,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:37,782 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 894, calls inlined = 3961, statements flattened = 51619 [2021-11-22 22:44:37,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 22:44:37,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 22:44:37,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 22:44:37,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 22:44:37,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:37,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:38,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:38,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:39,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:39,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:39,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:39,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 22:44:39,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 22:44:39,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 22:44:39,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 22:44:39,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (1/1) ... [2021-11-22 22:44:39,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:44:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 22:44:39,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 22:44:39,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 22:44:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 22:44:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-22 22:44:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-22 22:44:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 22:44:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 22:44:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-22 22:44:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-22 22:44:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 22:44:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 22:44:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-22 22:44:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 22:44:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-22 22:44:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-22 22:44:40,426 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 22:44:40,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 22:45:45,179 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 22:45:45,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 22:45:45,210 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 22:45:45,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:45:45 BoogieIcfgContainer [2021-11-22 22:45:45,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 22:45:45,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 22:45:45,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 22:45:45,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 22:45:45,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:44:34" (1/3) ... [2021-11-22 22:45:45,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16184d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:45:45, skipping insertion in model container [2021-11-22 22:45:45,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:44:36" (2/3) ... [2021-11-22 22:45:45,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16184d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:45:45, skipping insertion in model container [2021-11-22 22:45:45,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:45:45" (3/3) ... [2021-11-22 22:45:45,223 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-22 22:45:45,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 22:45:45,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-22 22:45:45,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 22:45:45,297 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 22:45:45,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-22 22:45:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 8909 states, 8761 states have (on average 1.3936765209450976) internal successors, (12210), 8805 states have internal predecessors, (12210), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-22 22:45:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 22:45:45,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:45,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:45:45,393 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:45,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1997530320, now seen corresponding path program 1 times [2021-11-22 22:45:45,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:45,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797268367] [2021-11-22 22:45:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:45,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:45,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:45,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797268367] [2021-11-22 22:45:45,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797268367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:45,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:45,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:45:45,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566083344] [2021-11-22 22:45:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:45,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:45:45,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:45:45,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:45:45,872 INFO L87 Difference]: Start difference. First operand has 8909 states, 8761 states have (on average 1.3936765209450976) internal successors, (12210), 8805 states have internal predecessors, (12210), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:46,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:45:46,510 INFO L93 Difference]: Finished difference Result 25519 states and 36079 transitions. [2021-11-22 22:45:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:45:46,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-22 22:45:46,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:45:46,573 INFO L225 Difference]: With dead ends: 25519 [2021-11-22 22:45:46,574 INFO L226 Difference]: Without dead ends: 16391 [2021-11-22 22:45:46,653 INFO L932 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 [2021-11-22 22:45:46,656 INFO L933 BasicCegarLoop]: 12358 mSDtfsCounter, 10896 mSDsluCounter, 12070 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10896 SdHoareTripleChecker+Valid, 24428 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 22:45:46,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10896 Valid, 24428 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 22:45:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16391 states. [2021-11-22 22:45:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16391 to 16365. [2021-11-22 22:45:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16365 states, 16113 states have (on average 1.3674672624588842) internal successors, (22034), 16158 states have internal predecessors, (22034), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:45:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16365 states to 16365 states and 22640 transitions. [2021-11-22 22:45:47,080 INFO L78 Accepts]: Start accepts. Automaton has 16365 states and 22640 transitions. Word has length 8 [2021-11-22 22:45:47,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:45:47,080 INFO L470 AbstractCegarLoop]: Abstraction has 16365 states and 22640 transitions. [2021-11-22 22:45:47,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 16365 states and 22640 transitions. [2021-11-22 22:45:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 22:45:47,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:47,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:45:47,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 22:45:47,082 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:47,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1793924739, now seen corresponding path program 1 times [2021-11-22 22:45:47,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:47,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117343085] [2021-11-22 22:45:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:47,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:47,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:47,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117343085] [2021-11-22 22:45:47,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117343085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:47,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:47,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:45:47,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266542612] [2021-11-22 22:45:47,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:47,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:45:47,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:47,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:45:47,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:45:47,174 INFO L87 Difference]: Start difference. First operand 16365 states and 22640 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:45:47,429 INFO L93 Difference]: Finished difference Result 16365 states and 22640 transitions. [2021-11-22 22:45:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:45:47,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-22 22:45:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:45:47,472 INFO L225 Difference]: With dead ends: 16365 [2021-11-22 22:45:47,473 INFO L226 Difference]: Without dead ends: 16363 [2021-11-22 22:45:47,479 INFO L932 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 [2021-11-22 22:45:47,480 INFO L933 BasicCegarLoop]: 11957 mSDtfsCounter, 11951 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11951 SdHoareTripleChecker+Valid, 11957 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:45:47,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11951 Valid, 11957 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:45:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16363 states. [2021-11-22 22:45:47,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16363 to 16363. [2021-11-22 22:45:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16363 states, 16112 states have (on average 1.3674280039721947) internal successors, (22032), 16156 states have internal predecessors, (22032), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:45:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16363 states to 16363 states and 22638 transitions. [2021-11-22 22:45:47,818 INFO L78 Accepts]: Start accepts. Automaton has 16363 states and 22638 transitions. Word has length 9 [2021-11-22 22:45:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:45:47,818 INFO L470 AbstractCegarLoop]: Abstraction has 16363 states and 22638 transitions. [2021-11-22 22:45:47,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 16363 states and 22638 transitions. [2021-11-22 22:45:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 22:45:47,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:47,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:45:47,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 22:45:47,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash -222880965, now seen corresponding path program 1 times [2021-11-22 22:45:47,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:47,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108056653] [2021-11-22 22:45:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:47,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:47,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:47,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108056653] [2021-11-22 22:45:47,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108056653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:47,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:47,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:45:47,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006553612] [2021-11-22 22:45:47,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:47,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:45:47,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:47,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:45:47,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:45:47,908 INFO L87 Difference]: Start difference. First operand 16363 states and 22638 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:45:48,144 INFO L93 Difference]: Finished difference Result 16363 states and 22638 transitions. [2021-11-22 22:45:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:45:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-22 22:45:48,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:45:48,181 INFO L225 Difference]: With dead ends: 16363 [2021-11-22 22:45:48,181 INFO L226 Difference]: Without dead ends: 16357 [2021-11-22 22:45:48,189 INFO L932 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 [2021-11-22 22:45:48,190 INFO L933 BasicCegarLoop]: 11956 mSDtfsCounter, 11948 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11948 SdHoareTripleChecker+Valid, 11956 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:45:48,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11948 Valid, 11956 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:45:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16357 states. [2021-11-22 22:45:48,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16357 to 16357. [2021-11-22 22:45:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16357 states, 16107 states have (on average 1.3673558080337742) internal successors, (22024), 16150 states have internal predecessors, (22024), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:45:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16357 states to 16357 states and 22630 transitions. [2021-11-22 22:45:48,814 INFO L78 Accepts]: Start accepts. Automaton has 16357 states and 22630 transitions. Word has length 10 [2021-11-22 22:45:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:45:48,815 INFO L470 AbstractCegarLoop]: Abstraction has 16357 states and 22630 transitions. [2021-11-22 22:45:48,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 16357 states and 22630 transitions. [2021-11-22 22:45:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 22:45:48,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:48,820 INFO L514 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] [2021-11-22 22:45:48,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 22:45:48,820 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:48,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash 836203336, now seen corresponding path program 1 times [2021-11-22 22:45:48,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:48,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094084827] [2021-11-22 22:45:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:48,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:48,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:48,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094084827] [2021-11-22 22:45:48,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094084827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:48,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:48,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:45:48,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685836717] [2021-11-22 22:45:48,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:48,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:45:48,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:48,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:45:48,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:45:48,924 INFO L87 Difference]: Start difference. First operand 16357 states and 22630 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:45:49,573 INFO L93 Difference]: Finished difference Result 32759 states and 45305 transitions. [2021-11-22 22:45:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:45:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 22:45:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:45:49,614 INFO L225 Difference]: With dead ends: 32759 [2021-11-22 22:45:49,614 INFO L226 Difference]: Without dead ends: 16405 [2021-11-22 22:45:49,660 INFO L932 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 [2021-11-22 22:45:49,668 INFO L933 BasicCegarLoop]: 11771 mSDtfsCounter, 0 mSDsluCounter, 11522 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23293 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 22:45:49,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23293 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 22:45:49,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16405 states. [2021-11-22 22:45:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16405 to 16357. [2021-11-22 22:45:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16357 states, 16107 states have (on average 1.3584155957037314) internal successors, (21880), 16150 states have internal predecessors, (21880), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:45:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16357 states to 16357 states and 22486 transitions. [2021-11-22 22:45:49,999 INFO L78 Accepts]: Start accepts. Automaton has 16357 states and 22486 transitions. Word has length 37 [2021-11-22 22:45:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:45:49,999 INFO L470 AbstractCegarLoop]: Abstraction has 16357 states and 22486 transitions. [2021-11-22 22:45:49,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 16357 states and 22486 transitions. [2021-11-22 22:45:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 22:45:50,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:50,003 INFO L514 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] [2021-11-22 22:45:50,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 22:45:50,004 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 998287670, now seen corresponding path program 1 times [2021-11-22 22:45:50,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:50,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734171370] [2021-11-22 22:45:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:50,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:50,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:50,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734171370] [2021-11-22 22:45:50,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734171370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:50,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:50,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 22:45:50,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812074358] [2021-11-22 22:45:50,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:50,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 22:45:50,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 22:45:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 22:45:50,302 INFO L87 Difference]: Start difference. First operand 16357 states and 22486 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:54,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:45:54,363 INFO L93 Difference]: Finished difference Result 133484 states and 182271 transitions. [2021-11-22 22:45:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 22:45:54,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-22 22:45:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:45:54,731 INFO L225 Difference]: With dead ends: 133484 [2021-11-22 22:45:54,732 INFO L226 Difference]: Without dead ends: 117130 [2021-11-22 22:45:54,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 22:45:54,827 INFO L933 BasicCegarLoop]: 33006 mSDtfsCounter, 77932 mSDsluCounter, 97661 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78141 SdHoareTripleChecker+Valid, 130667 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:45:54,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78141 Valid, 130667 Invalid, 1057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [722 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 22:45:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117130 states. [2021-11-22 22:45:56,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117130 to 16375. [2021-11-22 22:45:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16375 states, 16125 states have (on average 1.358015503875969) internal successors, (21898), 16168 states have internal predecessors, (21898), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:45:56,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16375 states to 16375 states and 22504 transitions. [2021-11-22 22:45:56,483 INFO L78 Accepts]: Start accepts. Automaton has 16375 states and 22504 transitions. Word has length 40 [2021-11-22 22:45:56,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:45:56,484 INFO L470 AbstractCegarLoop]: Abstraction has 16375 states and 22504 transitions. [2021-11-22 22:45:56,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:45:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 16375 states and 22504 transitions. [2021-11-22 22:45:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 22:45:56,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:45:56,489 INFO L514 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] [2021-11-22 22:45:56,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 22:45:56,490 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:45:56,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:45:56,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1810135286, now seen corresponding path program 1 times [2021-11-22 22:45:56,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:45:56,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583081441] [2021-11-22 22:45:56,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:45:56,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:45:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:45:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:45:56,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:45:56,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583081441] [2021-11-22 22:45:56,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583081441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:45:56,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:45:56,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 22:45:56,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093362102] [2021-11-22 22:45:56,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:45:56,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 22:45:56,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:45:56,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 22:45:56,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 22:45:56,650 INFO L87 Difference]: Start difference. First operand 16375 states and 22504 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:46:01,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:46:01,813 INFO L93 Difference]: Finished difference Result 134246 states and 183197 transitions. [2021-11-22 22:46:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 22:46:01,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-22 22:46:01,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:46:02,111 INFO L225 Difference]: With dead ends: 134246 [2021-11-22 22:46:02,111 INFO L226 Difference]: Without dead ends: 117874 [2021-11-22 22:46:02,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 22:46:02,196 INFO L933 BasicCegarLoop]: 42794 mSDtfsCounter, 65058 mSDsluCounter, 97287 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65283 SdHoareTripleChecker+Valid, 140081 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:46:02,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65283 Valid, 140081 Invalid, 1145 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [747 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 22:46:02,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117874 states. [2021-11-22 22:46:03,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117874 to 16387. [2021-11-22 22:46:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16387 states, 16137 states have (on average 1.3577492718597013) internal successors, (21910), 16180 states have internal predecessors, (21910), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-22 22:46:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16387 states to 16387 states and 22516 transitions. [2021-11-22 22:46:03,762 INFO L78 Accepts]: Start accepts. Automaton has 16387 states and 22516 transitions. Word has length 40 [2021-11-22 22:46:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:46:03,763 INFO L470 AbstractCegarLoop]: Abstraction has 16387 states and 22516 transitions. [2021-11-22 22:46:03,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:46:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 16387 states and 22516 transitions. [2021-11-22 22:46:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 22:46:03,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:46:03,782 INFO L514 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, 1] [2021-11-22 22:46:03,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 22:46:03,783 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-22 22:46:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:46:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash 8744942, now seen corresponding path program 1 times [2021-11-22 22:46:03,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:46:03,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928842428] [2021-11-22 22:46:03,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:46:03,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:46:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:46:03,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 22:46:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:46:04,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 22:46:04,062 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 22:46:04,063 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (41 of 42 remaining) [2021-11-22 22:46:04,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 42 remaining) [2021-11-22 22:46:04,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION (39 of 42 remaining) [2021-11-22 22:46:04,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (38 of 42 remaining) [2021-11-22 22:46:04,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 42 remaining) [2021-11-22 22:46:04,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (36 of 42 remaining) [2021-11-22 22:46:04,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 42 remaining) [2021-11-22 22:46:04,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (34 of 42 remaining) [2021-11-22 22:46:04,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (33 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (32 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (31 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (30 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (29 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (28 of 42 remaining) [2021-11-22 22:46:04,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (27 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (26 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (25 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (24 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (23 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (22 of 42 remaining) [2021-11-22 22:46:04,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (21 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (20 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (19 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (18 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (17 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (16 of 42 remaining) [2021-11-22 22:46:04,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (15 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (14 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (13 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (12 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (11 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (10 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (9 of 42 remaining) [2021-11-22 22:46:04,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (8 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (7 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (6 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (5 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (4 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (3 of 42 remaining) [2021-11-22 22:46:04,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (2 of 42 remaining) [2021-11-22 22:46:04,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (1 of 42 remaining) [2021-11-22 22:46:04,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (0 of 42 remaining) [2021-11-22 22:46:04,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 22:46:04,075 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:46:04,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 22:46:04,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:46:04 BoogieIcfgContainer [2021-11-22 22:46:04,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 22:46:04,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 22:46:04,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 22:46:04,178 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 22:46:04,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:45:45" (3/4) ... [2021-11-22 22:46:04,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 22:46:04,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 22:46:04,182 INFO L158 Benchmark]: Toolchain (without parser) took 90104.20ms. Allocated memory was 115.3MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 63.1MB in the beginning and 2.9GB in the end (delta: -2.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-11-22 22:46:04,182 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 22:46:04,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2655.53ms. Allocated memory was 115.3MB in the beginning and 190.8MB in the end (delta: 75.5MB). Free memory was 62.7MB in the beginning and 109.4MB in the end (delta: -46.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2021-11-22 22:46:04,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 1048.38ms. Allocated memory was 190.8MB in the beginning and 348.1MB in the end (delta: 157.3MB). Free memory was 109.4MB in the beginning and 136.6MB in the end (delta: -27.2MB). Peak memory consumption was 204.5MB. Max. memory is 16.1GB. [2021-11-22 22:46:04,183 INFO L158 Benchmark]: Boogie Preprocessor took 1662.09ms. Allocated memory was 348.1MB in the beginning and 761.3MB in the end (delta: 413.1MB). Free memory was 136.6MB in the beginning and 441.8MB in the end (delta: -305.1MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. [2021-11-22 22:46:04,183 INFO L158 Benchmark]: RCFGBuilder took 65771.13ms. Allocated memory was 761.3MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 441.8MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-22 22:46:04,184 INFO L158 Benchmark]: TraceAbstraction took 18959.35ms. Allocated memory was 3.3GB in the beginning and 4.5GB in the end (delta: 1.2GB). Free memory was 2.4GB in the beginning and 2.9GB in the end (delta: -512.9MB). Peak memory consumption was 658.4MB. Max. memory is 16.1GB. [2021-11-22 22:46:04,184 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 4.5GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 22:46:04,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2655.53ms. Allocated memory was 115.3MB in the beginning and 190.8MB in the end (delta: 75.5MB). Free memory was 62.7MB in the beginning and 109.4MB in the end (delta: -46.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1048.38ms. Allocated memory was 190.8MB in the beginning and 348.1MB in the end (delta: 157.3MB). Free memory was 109.4MB in the beginning and 136.6MB in the end (delta: -27.2MB). Peak memory consumption was 204.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1662.09ms. Allocated memory was 348.1MB in the beginning and 761.3MB in the end (delta: 413.1MB). Free memory was 136.6MB in the beginning and 441.8MB in the end (delta: -305.1MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. * RCFGBuilder took 65771.13ms. Allocated memory was 761.3MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 441.8MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * TraceAbstraction took 18959.35ms. Allocated memory was 3.3GB in the beginning and 4.5GB in the end (delta: 1.2GB). Free memory was 2.4GB in the beginning and 2.9GB in the end (delta: -512.9MB). Peak memory consumption was 658.4MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 4.5GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. * 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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={200:0}, ap_if_limits={199:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [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 [L13164] CALL ldv_initialize() [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={200:0}, ap_if_limits={199:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13164] RET ldv_initialize() [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={200:0}, ap_if_limits={199:0}, 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, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp___0=1] [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: [L13222] FCALL ldv_handler_precall() [L13223-L13224] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_110_p2, var_mwl8k_bss_info_changed_110_p3) [L11975] EXPR vif->type VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5244:5249}, vif={5244:5249}, vif->type=-4294967293] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5244:5249}, vif={5244:5249}, vif->type=-4294967293] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11980] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; [L11926] CALL, EXPR mwl8k_fw_lock(hw) [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L9342] CALL, EXPR get_current() [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={200:0}, ap_if_limits={199:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6486] return (pfo_ret__); VAL [\result={0:0}, __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, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, pfo_ret__={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] RET, EXPR get_current() [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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5246:0}, hw={5246:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5246:-1636}, priv->fw_mutex_owner={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [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 [\result=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, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5246:0}, hw={5246:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5246:-1636}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L11926] RET, EXPR mwl8k_fw_lock(hw) [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5244:5249}, vif={5244:5249}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5244:5249}, vif={5244:5249}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5244:5249}, vif={5244:5249}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5244:5249}, vif={5244:5249}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5243, __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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5243, hw={5246:0}, hw={5246:0}, info={5247:5241}, info={5247:5241}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5244:5249}, vif={5244:5249}] [L11967] CALL mwl8k_fw_unlock(hw) [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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5246:0}, hw={5246:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5242:-1526}, priv->fw_mutex_depth=0, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [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={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5246:0}, hw={5246:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5242:-1526}, priv->hw_restart_in_progress=-255, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9370] COND FALSE !(! priv->hw_restart_in_progress) [L9374] priv->fw_mutex_owner = 0 [L9375] CALL ldv_mutex_unlock_8(& priv->fw_mutex) [L13376] CALL ldv_mutex_unlock_fw_mutex_of_mwl8k_priv(ldv_func_arg1) [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) [L13509] CALL ldv_error() [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={200:0}, ap_if_limits={199:0}, 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={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 8909 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178219 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177785 mSDsluCounter, 342382 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218540 mSDsCounter, 1787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1166 IncrementalHoareTripleChecker+Invalid, 2953 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1787 mSolverCounterUnsat, 123842 mSDtfsCounter, 1166 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16387occurred in iteration=6, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 202316 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2021-11-22 22:46:04,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 22:46:06,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 22:46:06,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 22:46:06,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 22:46:06,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 22:46:06,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 22:46:06,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 22:46:06,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 22:46:06,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 22:46:06,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 22:46:06,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 22:46:06,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 22:46:06,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 22:46:06,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 22:46:06,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 22:46:06,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 22:46:06,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 22:46:06,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 22:46:06,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 22:46:06,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 22:46:06,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 22:46:06,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 22:46:06,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 22:46:06,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 22:46:06,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 22:46:06,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 22:46:06,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 22:46:06,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 22:46:06,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 22:46:06,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 22:46:06,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 22:46:06,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 22:46:06,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 22:46:06,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 22:46:06,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 22:46:06,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 22:46:06,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 22:46:06,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 22:46:06,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 22:46:06,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 22:46:06,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 22:46:06,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-22 22:46:06,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 22:46:06,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 22:46:06,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 22:46:06,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 22:46:06,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 22:46:06,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 22:46:06,331 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 22:46:06,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 22:46:06,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 22:46:06,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 22:46:06,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 22:46:06,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 22:46:06,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 22:46:06,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:46:06,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 22:46:06,334 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 22:46:06,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 22:46:06,336 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-22 22:46:06,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 22:46:06,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 22:46:06,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 22:46:06,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 22:46:06,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 22:46:06,648 INFO L432 ainManager$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 [2021-11-22 22:46:06,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675f15013/c1f48daeb3e345be96f67960ca94fe8d/FLAGb40babdf4 [2021-11-22 22:46:07,408 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 22:46:07,409 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 [2021-11-22 22:46:07,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675f15013/c1f48daeb3e345be96f67960ca94fe8d/FLAGb40babdf4 [2021-11-22 22:46:07,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675f15013/c1f48daeb3e345be96f67960ca94fe8d [2021-11-22 22:46:07,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 22:46:07,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 22:46:07,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 22:46:07,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 22:46:07,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 22:46:07,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:46:07" (1/1) ... [2021-11-22 22:46:07,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d454596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:07, skipping insertion in model container [2021-11-22 22:46:07,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:46:07" (1/1) ... [2021-11-22 22:46:07,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 22:46:07,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:46:10,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-22 22:46:10,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:46:10,143 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 22:46:10,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:46:10,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-22 22:46:10,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:46:10,523 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 22:46:10,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-22 22:46:10,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:46:10,947 INFO L208 MainTranslator]: Completed translation [2021-11-22 22:46:10,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10 WrapperNode [2021-11-22 22:46:10,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 22:46:10,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 22:46:10,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 22:46:10,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 22:46:10,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:11,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:11,994 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 894, calls inlined = 3961, statements flattened = 50223 [2021-11-22 22:46:11,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 22:46:11,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 22:46:11,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 22:46:11,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 22:46:12,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:12,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:12,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:12,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:12,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:13,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:13,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:13,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 22:46:13,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 22:46:13,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 22:46:13,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 22:46:13,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:10" (1/1) ... [2021-11-22 22:46:13,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:46:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 22:46:13,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 22:46:13,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-22 22:46:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-22 22:46:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-22 22:46:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 22:46:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-22 22:46:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 22:46:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-22 22:46:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-22 22:46:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-22 22:46:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-22 22:46:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-22 22:46:14,413 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 22:46:14,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation Killed by 15