./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.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 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:39:17,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:39:17,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:39:17,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:39:17,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:39:17,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:39:17,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:39:17,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:39:17,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:39:17,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:39:17,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:39:17,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:39:17,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:39:17,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:39:17,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:39:17,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:39:17,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:39:17,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:39:17,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:39:17,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:39:17,960 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:39:17,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:39:17,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:39:17,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:39:17,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:39:17,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:39:17,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:39:17,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:39:17,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:39:17,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:39:17,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:39:17,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:39:17,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:39:17,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:39:17,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:39:17,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:39:17,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:39:17,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:39:17,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:39:17,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:39:17,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:39:17,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:39:17,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:39:17,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:39:18,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:39:18,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:39:18,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:39:18,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:39:18,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:39:18,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:39:18,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:39:18,003 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:39:18,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:39:18,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:39:18,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:39:18,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:39:18,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:39:18,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:39:18,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:39:18,007 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:39:18,007 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:39:18,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:39:18,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-07-12 12:39:18,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:39:18,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:39:18,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:39:18,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:39:18,199 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:39:18,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:39:18,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2365efc/d1327b5ad34b42e58735ba81282b082c/FLAG5b49515a3 [2022-07-12 12:39:18,766 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:39:18,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:39:18,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2365efc/d1327b5ad34b42e58735ba81282b082c/FLAG5b49515a3 [2022-07-12 12:39:18,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2365efc/d1327b5ad34b42e58735ba81282b082c [2022-07-12 12:39:18,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:39:18,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:39:18,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:39:18,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:39:18,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:39:18,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:18" (1/1) ... [2022-07-12 12:39:18,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80db45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:18, skipping insertion in model container [2022-07-12 12:39:18,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:18" (1/1) ... [2022-07-12 12:39:18,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:39:19,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:39:19,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-07-12 12:39:19,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:39:19,979 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:39:20,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-07-12 12:39:20,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:39:20,322 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:39:20,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20 WrapperNode [2022-07-12 12:39:20,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:39:20,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:39:20,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:39:20,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:39:20,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,461 INFO L137 Inliner]: procedures = 157, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2337 [2022-07-12 12:39:20,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:39:20,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:39:20,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:39:20,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:39:20,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:39:20,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:39:20,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:39:20,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:39:20,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (1/1) ... [2022-07-12 12:39:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:39:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:39:20,637 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) [2022-07-12 12:39:20,667 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 [2022-07-12 12:39:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 12:39:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 12:39:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-07-12 12:39:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-07-12 12:39:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:39:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 12:39:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 12:39:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 12:39:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-07-12 12:39:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-07-12 12:39:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:39:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:39:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:39:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-12 12:39:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-12 12:39:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 12:39:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 12:39:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-07-12 12:39:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-07-12 12:39:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:39:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:39:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:39:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:39:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:39:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:39:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:39:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:39:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-07-12 12:39:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-07-12 12:39:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-07-12 12:39:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-07-12 12:39:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:39:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:39:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:39:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:39:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:39:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 12:39:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 12:39:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:39:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:39:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-12 12:39:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-12 12:39:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:39:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:39:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:39:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:39:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:39:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:39:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:39:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:39:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:39:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 12:39:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 12:39:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:39:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:39:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:39:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:39:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:39:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-07-12 12:39:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-07-12 12:39:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:39:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:39:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:39:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-12 12:39:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-12 12:39:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 12:39:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 12:39:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:39:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:39:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:39:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:39:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 12:39:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 12:39:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:39:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-07-12 12:39:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-07-12 12:39:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-12 12:39:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-12 12:39:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 12:39:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 12:39:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:39:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:39:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:39:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:39:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:39:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:39:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-12 12:39:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-12 12:39:21,103 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:39:21,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:39:21,184 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:39:24,731 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:39:24,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:39:24,747 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 12:39:24,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:39:24 BoogieIcfgContainer [2022-07-12 12:39:24,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:39:24,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:39:24,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:39:24,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:39:24,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:39:18" (1/3) ... [2022-07-12 12:39:24,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e9c712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:39:24, skipping insertion in model container [2022-07-12 12:39:24,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:20" (2/3) ... [2022-07-12 12:39:24,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e9c712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:39:24, skipping insertion in model container [2022-07-12 12:39:24,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:39:24" (3/3) ... [2022-07-12 12:39:24,761 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:39:24,774 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:39:24,774 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:39:24,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:39:24,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a750de9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cd3a8cc [2022-07-12 12:39:24,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:39:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-07-12 12:39:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 12:39:24,847 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:24,848 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:24,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-07-12 12:39:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:24,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082241135] [2022-07-12 12:39:24,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:24,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:39:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:39:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 12:39:25,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:25,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082241135] [2022-07-12 12:39:25,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082241135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:25,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:25,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:39:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455564624] [2022-07-12 12:39:25,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:25,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:39:25,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:25,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:39:25,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:39:25,449 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:39:27,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:29,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:39:31,852 INFO L93 Difference]: Finished difference Result 2121 states and 3115 transitions. [2022-07-12 12:39:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:39:31,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-07-12 12:39:31,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:39:31,870 INFO L225 Difference]: With dead ends: 2121 [2022-07-12 12:39:31,871 INFO L226 Difference]: Without dead ends: 1432 [2022-07-12 12:39:31,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:39:31,886 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 1384 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:39:31,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 2715 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1065 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-07-12 12:39:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2022-07-12 12:39:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1286. [2022-07-12 12:39:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 957 states have (on average 1.3657262277951934) internal successors, (1307), 971 states have internal predecessors, (1307), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-07-12 12:39:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1818 transitions. [2022-07-12 12:39:32,000 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1818 transitions. Word has length 45 [2022-07-12 12:39:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:39:32,001 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1818 transitions. [2022-07-12 12:39:32,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:39:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1818 transitions. [2022-07-12 12:39:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 12:39:32,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:32,006 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:32,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:39:32,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:32,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:32,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1828543170, now seen corresponding path program 1 times [2022-07-12 12:39:32,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:32,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367760141] [2022-07-12 12:39:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:39:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:39:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:39:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:39:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 12:39:32,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:32,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367760141] [2022-07-12 12:39:32,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367760141] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:32,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:32,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:39:32,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323795871] [2022-07-12 12:39:32,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:39:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:39:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:39:32,314 INFO L87 Difference]: Start difference. First operand 1286 states and 1818 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 12:39:34,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:36,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:39:39,232 INFO L93 Difference]: Finished difference Result 4123 states and 5934 transitions. [2022-07-12 12:39:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:39:39,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-07-12 12:39:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:39:39,248 INFO L225 Difference]: With dead ends: 4123 [2022-07-12 12:39:39,248 INFO L226 Difference]: Without dead ends: 2839 [2022-07-12 12:39:39,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:39:39,254 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 1367 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 660 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:39:39,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 4487 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1816 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-07-12 12:39:39,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2022-07-12 12:39:39,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2591. [2022-07-12 12:39:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2591 states, 1927 states have (on average 1.3642968344577062) internal successors, (2629), 1963 states have internal predecessors, (2629), 507 states have call successors, (507), 145 states have call predecessors, (507), 156 states have return successors, (561), 498 states have call predecessors, (561), 506 states have call successors, (561) [2022-07-12 12:39:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3697 transitions. [2022-07-12 12:39:39,363 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3697 transitions. Word has length 63 [2022-07-12 12:39:39,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:39:39,364 INFO L495 AbstractCegarLoop]: Abstraction has 2591 states and 3697 transitions. [2022-07-12 12:39:39,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 12:39:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3697 transitions. [2022-07-12 12:39:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 12:39:39,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:39,373 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:39,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:39:39,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:39,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1080085425, now seen corresponding path program 1 times [2022-07-12 12:39:39,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:39,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345074930] [2022-07-12 12:39:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:39:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:39:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 12:39:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:39:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 12:39:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:39:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:39:39,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:39,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345074930] [2022-07-12 12:39:39,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345074930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:39,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:39,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:39:39,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501259948] [2022-07-12 12:39:39,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:39,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:39:39,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:39,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:39:39,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:39:39,656 INFO L87 Difference]: Start difference. First operand 2591 states and 3697 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:39:41,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:43,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:45,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:48,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:50,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:52,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:55,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:39:55,127 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-12 12:39:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:39:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2022-07-12 12:39:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:39:55,161 INFO L225 Difference]: With dead ends: 7632 [2022-07-12 12:39:55,162 INFO L226 Difference]: Without dead ends: 5053 [2022-07-12 12:39:55,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:39:55,177 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 1308 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 882 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 3269 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 882 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:39:55,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 3269 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [882 Valid, 1470 Invalid, 6 Unknown, 0 Unchecked, 15.2s Time] [2022-07-12 12:39:55,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-07-12 12:39:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 4275. [2022-07-12 12:39:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 3162 states have (on average 1.3488298545224542) internal successors, (4265), 3224 states have internal predecessors, (4265), 829 states have call successors, (829), 262 states have call predecessors, (829), 283 states have return successors, (918), 816 states have call predecessors, (918), 828 states have call successors, (918) [2022-07-12 12:39:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6012 transitions. [2022-07-12 12:39:55,334 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6012 transitions. Word has length 113 [2022-07-12 12:39:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:39:55,334 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6012 transitions. [2022-07-12 12:39:55,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:39:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6012 transitions. [2022-07-12 12:39:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 12:39:55,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:55,345 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:55,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:39:55,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash 265725666, now seen corresponding path program 1 times [2022-07-12 12:39:55,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:55,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430244209] [2022-07-12 12:39:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:39:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:39:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:39:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:39:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:39:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 12:39:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:39:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:39:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 12:39:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 12:39:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 12:39:55,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:55,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430244209] [2022-07-12 12:39:55,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430244209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:55,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:55,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:39:55,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052790632] [2022-07-12 12:39:55,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:55,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:39:55,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:55,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:39:55,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:39:55,564 INFO L87 Difference]: Start difference. First operand 4275 states and 6012 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:39:57,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:59,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:01,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:04,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:06,540 INFO L93 Difference]: Finished difference Result 10577 states and 14962 transitions. [2022-07-12 12:40:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 12:40:06,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-07-12 12:40:06,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:06,569 INFO L225 Difference]: With dead ends: 10577 [2022-07-12 12:40:06,569 INFO L226 Difference]: Without dead ends: 6318 [2022-07-12 12:40:06,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:40:06,586 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 826 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 417 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:06,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 4121 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1463 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-07-12 12:40:06,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2022-07-12 12:40:06,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 5704. [2022-07-12 12:40:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 4250 states have (on average 1.3538823529411765) internal successors, (5754), 4336 states have internal predecessors, (5754), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 387 states have return successors, (1183), 1041 states have call predecessors, (1183), 1065 states have call successors, (1183) [2022-07-12 12:40:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 8003 transitions. [2022-07-12 12:40:06,763 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 8003 transitions. Word has length 130 [2022-07-12 12:40:06,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:06,764 INFO L495 AbstractCegarLoop]: Abstraction has 5704 states and 8003 transitions. [2022-07-12 12:40:06,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:40:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 8003 transitions. [2022-07-12 12:40:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-12 12:40:06,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:06,775 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:06,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:40:06,775 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:06,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:06,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1355234686, now seen corresponding path program 1 times [2022-07-12 12:40:06,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:06,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098932853] [2022-07-12 12:40:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:40:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:40:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 12:40:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:40:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 12:40:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:40:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-12 12:40:07,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:07,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098932853] [2022-07-12 12:40:07,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098932853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:07,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:07,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:40:07,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278645807] [2022-07-12 12:40:07,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:07,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:40:07,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:40:07,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:40:07,103 INFO L87 Difference]: Start difference. First operand 5704 states and 8003 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:40:09,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:11,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:13,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:15,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:15,596 INFO L93 Difference]: Finished difference Result 9240 states and 13053 transitions. [2022-07-12 12:40:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 12:40:15,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 138 [2022-07-12 12:40:15,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:15,612 INFO L225 Difference]: With dead ends: 9240 [2022-07-12 12:40:15,612 INFO L226 Difference]: Without dead ends: 3553 [2022-07-12 12:40:15,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:40:15,624 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 488 mSDsluCounter, 3536 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 518 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:15,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 4430 Invalid, 2194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1673 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-07-12 12:40:15,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2022-07-12 12:40:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 2926. [2022-07-12 12:40:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2183 states have (on average 1.3518094365551994) internal successors, (2951), 2226 states have internal predecessors, (2951), 540 states have call successors, (540), 188 states have call predecessors, (540), 202 states have return successors, (598), 527 states have call predecessors, (598), 539 states have call successors, (598) [2022-07-12 12:40:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4089 transitions. [2022-07-12 12:40:15,709 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4089 transitions. Word has length 138 [2022-07-12 12:40:15,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:15,710 INFO L495 AbstractCegarLoop]: Abstraction has 2926 states and 4089 transitions. [2022-07-12 12:40:15,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:40:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4089 transitions. [2022-07-12 12:40:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-12 12:40:15,718 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:15,718 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:15,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:40:15,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash 874391015, now seen corresponding path program 1 times [2022-07-12 12:40:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:15,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823969207] [2022-07-12 12:40:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:15,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:40:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:40:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 12:40:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:40:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:40:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 12:40:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 12:40:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-12 12:40:16,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:16,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823969207] [2022-07-12 12:40:16,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823969207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:16,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:16,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:40:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655038601] [2022-07-12 12:40:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:16,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:40:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:40:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:40:16,092 INFO L87 Difference]: Start difference. First operand 2926 states and 4089 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-12 12:40:18,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:21,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:21,178 INFO L93 Difference]: Finished difference Result 6300 states and 9026 transitions. [2022-07-12 12:40:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:40:21,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 144 [2022-07-12 12:40:21,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:21,199 INFO L225 Difference]: With dead ends: 6300 [2022-07-12 12:40:21,199 INFO L226 Difference]: Without dead ends: 3416 [2022-07-12 12:40:21,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:40:21,212 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 212 mSDsluCounter, 3673 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 180 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 4597 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:21,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 4597 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1718 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 12:40:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2022-07-12 12:40:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3050. [2022-07-12 12:40:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 2256 states have (on average 1.3457446808510638) internal successors, (3036), 2308 states have internal predecessors, (3036), 578 states have call successors, (578), 188 states have call predecessors, (578), 215 states have return successors, (671), 569 states have call predecessors, (671), 577 states have call successors, (671) [2022-07-12 12:40:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4285 transitions. [2022-07-12 12:40:21,359 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4285 transitions. Word has length 144 [2022-07-12 12:40:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:21,359 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4285 transitions. [2022-07-12 12:40:21,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-12 12:40:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4285 transitions. [2022-07-12 12:40:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-12 12:40:21,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:21,379 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:21,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:40:21,380 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1123820233, now seen corresponding path program 1 times [2022-07-12 12:40:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:21,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813146016] [2022-07-12 12:40:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:40:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:40:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 12:40:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:40:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:40:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 12:40:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 12:40:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-12 12:40:21,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:21,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813146016] [2022-07-12 12:40:21,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813146016] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:21,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:21,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 12:40:21,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852232238] [2022-07-12 12:40:21,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:21,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:40:21,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:21,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:40:21,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:40:21,835 INFO L87 Difference]: Start difference. First operand 3050 states and 4285 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 12:40:23,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:26,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:28,594 INFO L93 Difference]: Finished difference Result 6426 states and 9090 transitions. [2022-07-12 12:40:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 12:40:28,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2022-07-12 12:40:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:28,618 INFO L225 Difference]: With dead ends: 6426 [2022-07-12 12:40:28,618 INFO L226 Difference]: Without dead ends: 3418 [2022-07-12 12:40:28,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:40:28,627 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 319 mSDsluCounter, 5108 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 333 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 6026 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:28,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 6026 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 2173 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-07-12 12:40:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2022-07-12 12:40:28,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3074. [2022-07-12 12:40:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 2274 states have (on average 1.3430079155672823) internal successors, (3054), 2324 states have internal predecessors, (3054), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-07-12 12:40:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 4326 transitions. [2022-07-12 12:40:28,755 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 4326 transitions. Word has length 151 [2022-07-12 12:40:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:28,756 INFO L495 AbstractCegarLoop]: Abstraction has 3074 states and 4326 transitions. [2022-07-12 12:40:28,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 12:40:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 4326 transitions. [2022-07-12 12:40:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-12 12:40:28,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:28,763 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:28,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:40:28,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:28,764 INFO L85 PathProgramCache]: Analyzing trace with hash -52186779, now seen corresponding path program 1 times [2022-07-12 12:40:28,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:28,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789782305] [2022-07-12 12:40:28,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:28,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:40:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:40:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 12:40:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:40:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:40:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 12:40:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 12:40:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 12:40:29,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:29,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789782305] [2022-07-12 12:40:29,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789782305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:29,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:29,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 12:40:29,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866996678] [2022-07-12 12:40:29,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:29,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:40:29,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:29,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:40:29,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:40:29,169 INFO L87 Difference]: Start difference. First operand 3074 states and 4326 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 12:40:31,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:33,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:35,118 INFO L93 Difference]: Finished difference Result 6466 states and 9148 transitions. [2022-07-12 12:40:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:40:35,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 157 [2022-07-12 12:40:35,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:35,142 INFO L225 Difference]: With dead ends: 6466 [2022-07-12 12:40:35,143 INFO L226 Difference]: Without dead ends: 3408 [2022-07-12 12:40:35,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:40:35,152 INFO L413 NwaCegarLoop]: 922 mSDtfsCounter, 323 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 332 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 3439 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:35,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 3439 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1157 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-07-12 12:40:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2022-07-12 12:40:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3079. [2022-07-12 12:40:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3422553751645458) internal successors, (3059), 2329 states have internal predecessors, (3059), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-07-12 12:40:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4331 transitions. [2022-07-12 12:40:35,243 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4331 transitions. Word has length 157 [2022-07-12 12:40:35,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:35,244 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4331 transitions. [2022-07-12 12:40:35,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 12:40:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4331 transitions. [2022-07-12 12:40:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 12:40:35,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:35,250 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:35,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:40:35,251 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:35,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:35,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1205243631, now seen corresponding path program 1 times [2022-07-12 12:40:35,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:35,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024756498] [2022-07-12 12:40:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:40:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:40:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:40:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:40:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 12:40:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:40:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:40:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 12:40:35,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:35,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024756498] [2022-07-12 12:40:35,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024756498] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:40:35,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529814578] [2022-07-12 12:40:35,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:35,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:40:35,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 12:40:35,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 12:40:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:36,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-12 12:40:36,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 12:40:36,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:40:36,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529814578] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:36,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:40:36,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2022-07-12 12:40:36,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721376353] [2022-07-12 12:40:36,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:36,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:40:36,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:36,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:40:36,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-07-12 12:40:36,695 INFO L87 Difference]: Start difference. First operand 3079 states and 4331 transitions. Second operand has 8 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-07-12 12:40:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:36,958 INFO L93 Difference]: Finished difference Result 6120 states and 8615 transitions. [2022-07-12 12:40:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 12:40:36,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 158 [2022-07-12 12:40:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:36,969 INFO L225 Difference]: With dead ends: 6120 [2022-07-12 12:40:36,969 INFO L226 Difference]: Without dead ends: 3084 [2022-07-12 12:40:36,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2022-07-12 12:40:36,983 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 419 mSDsluCounter, 5148 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 6093 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:36,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 6093 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:40:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2022-07-12 12:40:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 3079. [2022-07-12 12:40:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3413777972795085) internal successors, (3057), 2329 states have internal predecessors, (3057), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-07-12 12:40:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4329 transitions. [2022-07-12 12:40:37,063 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4329 transitions. Word has length 158 [2022-07-12 12:40:37,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:37,063 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4329 transitions. [2022-07-12 12:40:37,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-07-12 12:40:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4329 transitions. [2022-07-12 12:40:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 12:40:37,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:37,071 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:37,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 12:40:37,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:37,287 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:37,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:37,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1183320399, now seen corresponding path program 1 times [2022-07-12 12:40:37,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:37,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687099688] [2022-07-12 12:40:37,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:40:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:40:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:40:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:40:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 12:40:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:40:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:40:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 12:40:37,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:37,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687099688] [2022-07-12 12:40:37,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687099688] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:40:37,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791712643] [2022-07-12 12:40:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:37,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:40:37,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 12:40:37,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 12:40:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:38,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-12 12:40:38,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 12:40:38,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:40:38,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791712643] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:38,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:40:38,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-07-12 12:40:38,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294903104] [2022-07-12 12:40:38,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:38,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:40:38,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:40:38,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:40:38,404 INFO L87 Difference]: Start difference. First operand 3079 states and 4329 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 12:40:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:38,568 INFO L93 Difference]: Finished difference Result 6115 states and 8606 transitions. [2022-07-12 12:40:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:40:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 158 [2022-07-12 12:40:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:38,581 INFO L225 Difference]: With dead ends: 6115 [2022-07-12 12:40:38,581 INFO L226 Difference]: Without dead ends: 3079 [2022-07-12 12:40:38,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:40:38,591 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 430 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 4188 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:38,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 4188 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:40:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3079 states. [2022-07-12 12:40:38,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3079 to 3079. [2022-07-12 12:40:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3405002193944713) internal successors, (3055), 2329 states have internal predecessors, (3055), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-07-12 12:40:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4327 transitions. [2022-07-12 12:40:38,707 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4327 transitions. Word has length 158 [2022-07-12 12:40:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:38,708 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4327 transitions. [2022-07-12 12:40:38,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 12:40:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4327 transitions. [2022-07-12 12:40:38,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 12:40:38,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:38,716 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:38,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:40:38,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 12:40:38,933 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash -538682287, now seen corresponding path program 1 times [2022-07-12 12:40:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:38,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060541569] [2022-07-12 12:40:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:40:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:40:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:40:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:40:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 12:40:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:40:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:40:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 12:40:39,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:39,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060541569] [2022-07-12 12:40:39,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060541569] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:40:39,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250724436] [2022-07-12 12:40:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:40:39,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 12:40:39,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 12:40:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:40,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 12:40:40,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 12:40:40,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:40:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 12:40:40,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250724436] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:40:40,699 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 12:40:40,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-07-12 12:40:40,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708855484] [2022-07-12 12:40:40,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 12:40:40,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 12:40:40,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:40,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 12:40:40,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:40:40,702 INFO L87 Difference]: Start difference. First operand 3079 states and 4327 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 12:40:43,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:45,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:47,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:49,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:52,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:52,550 INFO L93 Difference]: Finished difference Result 6479 states and 9155 transitions. [2022-07-12 12:40:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 12:40:52,551 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 158 [2022-07-12 12:40:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:52,562 INFO L225 Difference]: With dead ends: 6479 [2022-07-12 12:40:52,562 INFO L226 Difference]: Without dead ends: 3415 [2022-07-12 12:40:52,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-07-12 12:40:52,569 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 225 mSDsluCounter, 6264 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 187 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 7180 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:52,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 7180 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2781 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-07-12 12:40:52,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-07-12 12:40:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3086. [2022-07-12 12:40:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2286 states have (on average 1.3394575678040246) internal successors, (3062), 2336 states have internal predecessors, (3062), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-07-12 12:40:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4334 transitions. [2022-07-12 12:40:52,655 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4334 transitions. Word has length 158 [2022-07-12 12:40:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:52,655 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4334 transitions. [2022-07-12 12:40:52,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 12:40:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4334 transitions. [2022-07-12 12:40:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 12:40:52,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:52,663 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:52,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:40:52,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:40:52,868 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 2 times [2022-07-12 12:40:52,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:52,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633530328] [2022-07-12 12:40:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:40:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:40:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 12:40:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:40:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:40:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 12:40:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 12:40:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 12:40:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-12 12:40:54,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:54,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633530328] [2022-07-12 12:40:54,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633530328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:54,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:54,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-07-12 12:40:54,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788735998] [2022-07-12 12:40:54,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:54,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-12 12:40:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:54,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-12 12:40:54,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-12 12:40:54,079 INFO L87 Difference]: Start difference. First operand 3086 states and 4334 transitions. Second operand has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 12:40:56,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:00,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:00,387 INFO L93 Difference]: Finished difference Result 6457 states and 9213 transitions. [2022-07-12 12:41:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 12:41:00,388 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-07-12 12:41:00,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:00,397 INFO L225 Difference]: With dead ends: 6457 [2022-07-12 12:41:00,397 INFO L226 Difference]: Without dead ends: 3417 [2022-07-12 12:41:00,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-07-12 12:41:00,404 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 333 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 3930 mSolverCounterSat, 334 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 10787 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 3930 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:00,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 10787 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 3930 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-12 12:41:00,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-07-12 12:41:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3098. [2022-07-12 12:41:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2297 states have (on average 1.3352198519808445) internal successors, (3067), 2342 states have internal predecessors, (3067), 578 states have call successors, (578), 188 states have call predecessors, (578), 222 states have return successors, (698), 583 states have call predecessors, (698), 577 states have call successors, (698) [2022-07-12 12:41:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4343 transitions. [2022-07-12 12:41:00,487 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4343 transitions. Word has length 161 [2022-07-12 12:41:00,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:00,488 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 4343 transitions. [2022-07-12 12:41:00,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 12:41:00,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4343 transitions. [2022-07-12 12:41:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-12 12:41:00,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:00,494 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:00,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 12:41:00,495 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-07-12 12:41:00,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:41:00,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459520100] [2022-07-12 12:41:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:41:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:41:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:41:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:41:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:41:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:41:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 12:41:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:41:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:41:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 12:41:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:41:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:41:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:41:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 12:41:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:41:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:41:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-07-12 12:41:01,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:41:01,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459520100] [2022-07-12 12:41:01,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459520100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:01,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:01,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-12 12:41:01,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625924496] [2022-07-12 12:41:01,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:01,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 12:41:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:41:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 12:41:01,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-07-12 12:41:01,210 INFO L87 Difference]: Start difference. First operand 3098 states and 4343 transitions. Second operand has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 12:41:03,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:05,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:09,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:09,285 INFO L93 Difference]: Finished difference Result 6469 states and 9208 transitions. [2022-07-12 12:41:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 12:41:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) Word has length 169 [2022-07-12 12:41:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:09,295 INFO L225 Difference]: With dead ends: 6469 [2022-07-12 12:41:09,295 INFO L226 Difference]: Without dead ends: 3417 [2022-07-12 12:41:09,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-07-12 12:41:09,301 INFO L413 NwaCegarLoop]: 919 mSDtfsCounter, 437 mSDsluCounter, 9029 mSDsCounter, 0 mSdLazyCounter, 3590 mSolverCounterSat, 485 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 9948 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 3590 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:09,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 9948 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 3590 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-07-12 12:41:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-07-12 12:41:09,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3109. [2022-07-12 12:41:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 2306 states have (on average 1.3326105810928013) internal successors, (3073), 2349 states have internal predecessors, (3073), 578 states have call successors, (578), 188 states have call predecessors, (578), 224 states have return successors, (701), 587 states have call predecessors, (701), 577 states have call successors, (701) [2022-07-12 12:41:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4352 transitions. [2022-07-12 12:41:09,386 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4352 transitions. Word has length 169 [2022-07-12 12:41:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:09,387 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4352 transitions. [2022-07-12 12:41:09,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 12:41:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4352 transitions. [2022-07-12 12:41:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-12 12:41:09,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:09,392 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:09,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 12:41:09,393 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:09,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1195665736, now seen corresponding path program 1 times [2022-07-12 12:41:09,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:41:09,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735025121] [2022-07-12 12:41:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:41:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:41:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:41:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:41:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 12:41:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:41:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 12:41:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:41:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:41:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 12:41:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 12:41:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:41:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:41:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 12:41:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:41:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:41:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-12 12:41:09,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:41:09,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735025121] [2022-07-12 12:41:09,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735025121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:09,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:09,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:41:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593727425] [2022-07-12 12:41:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:09,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:41:09,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:41:09,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:41:09,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:41:09,733 INFO L87 Difference]: Start difference. First operand 3109 states and 4352 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 12:41:11,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:13,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:15,851 INFO L93 Difference]: Finished difference Result 7313 states and 10253 transitions. [2022-07-12 12:41:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:41:15,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-07-12 12:41:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:15,863 INFO L225 Difference]: With dead ends: 7313 [2022-07-12 12:41:15,863 INFO L226 Difference]: Without dead ends: 4250 [2022-07-12 12:41:15,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:41:15,870 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1115 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 668 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:15,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 2691 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 943 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-07-12 12:41:15,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2022-07-12 12:41:15,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 3968. [2022-07-12 12:41:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 2966 states have (on average 1.3341200269723534) internal successors, (3957), 3018 states have internal predecessors, (3957), 704 states have call successors, (704), 248 states have call predecessors, (704), 297 states have return successors, (864), 719 states have call predecessors, (864), 703 states have call successors, (864) [2022-07-12 12:41:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5525 transitions. [2022-07-12 12:41:16,006 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5525 transitions. Word has length 172 [2022-07-12 12:41:16,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:16,007 INFO L495 AbstractCegarLoop]: Abstraction has 3968 states and 5525 transitions. [2022-07-12 12:41:16,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 12:41:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5525 transitions. [2022-07-12 12:41:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-12 12:41:16,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:16,015 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:16,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 12:41:16,015 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-07-12 12:41:16,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:41:16,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244251358] [2022-07-12 12:41:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:41:16,429 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 12:41:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:41:17,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 12:41:17,447 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 12:41:17,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:41:17,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 12:41:17,452 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:17,455 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 12:41:17,490 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-12 12:41:17,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-12 12:41:17,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:41:17 BoogieIcfgContainer [2022-07-12 12:41:17,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 12:41:17,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 12:41:17,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 12:41:17,660 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 12:41:17,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:39:24" (3/4) ... [2022-07-12 12:41:17,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 12:41:17,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 12:41:17,665 INFO L158 Benchmark]: Toolchain (without parser) took 118683.73ms. Allocated memory was 121.6MB in the beginning and 400.6MB in the end (delta: 278.9MB). Free memory was 81.0MB in the beginning and 195.5MB in the end (delta: -114.5MB). Peak memory consumption was 165.0MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,665 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:41:17,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.89ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 80.9MB in the beginning and 92.1MB in the end (delta: -11.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.54ms. Allocated memory is still 180.4MB. Free memory was 92.1MB in the beginning and 78.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,666 INFO L158 Benchmark]: Boogie Preprocessor took 146.17ms. Allocated memory is still 180.4MB. Free memory was 78.4MB in the beginning and 106.6MB in the end (delta: -28.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,666 INFO L158 Benchmark]: RCFGBuilder took 4143.71ms. Allocated memory was 180.4MB in the beginning and 329.3MB in the end (delta: 148.9MB). Free memory was 106.6MB in the beginning and 169.8MB in the end (delta: -63.2MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,667 INFO L158 Benchmark]: TraceAbstraction took 112905.05ms. Allocated memory was 329.3MB in the beginning and 400.6MB in the end (delta: 71.3MB). Free memory was 168.7MB in the beginning and 195.5MB in the end (delta: -26.8MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. [2022-07-12 12:41:17,667 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 400.6MB. Free memory is still 195.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:41:17,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.89ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 80.9MB in the beginning and 92.1MB in the end (delta: -11.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.54ms. Allocated memory is still 180.4MB. Free memory was 92.1MB in the beginning and 78.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.17ms. Allocated memory is still 180.4MB. Free memory was 78.4MB in the beginning and 106.6MB in the end (delta: -28.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4143.71ms. Allocated memory was 180.4MB in the beginning and 329.3MB in the end (delta: 148.9MB). Free memory was 106.6MB in the beginning and 169.8MB in the end (delta: -63.2MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * TraceAbstraction took 112905.05ms. Allocated memory was 329.3MB in the beginning and 400.6MB in the end (delta: 71.3MB). Free memory was 168.7MB in the beginning and 195.5MB in the end (delta: -26.8MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 400.6MB. Free memory is still 195.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 7323]: 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 8887. Possible FailurePath: [L7346] int LDV_IN_INTERRUPT = 1; [L7347] struct usb_interface *mwifiex_usb_driver_group1 ; [L7348] int ldv_state_variable_2 ; [L7349] int ref_cnt ; [L7350] struct mwifiex_adapter *usb_ops_group0 ; [L7351] int ldv_state_variable_1 ; [L7352] int usb_counter ; [L7353] struct sk_buff *usb_ops_group1 ; [L7354] int ldv_state_variable_0 ; [L7514] static u8 user_rmmod ; [L7516] static struct semaphore add_remove_card_sem ; [L7517-L7527] static struct usb_device_id mwifiex_usb_table[5U] = { {3U, 4742U, 8259U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8260U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}, {3U, 4742U, 8261U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8262U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}}; [L7528] struct usb_device_id const __mod_usb__mwifiex_usb_table_device_table ; [L8349-L8355] static struct usb_driver mwifiex_usb_driver = {"mwifiex_usb", & mwifiex_usb_probe, & mwifiex_usb_disconnect, 0, & mwifiex_usb_suspend, & mwifiex_usb_resume, 0, 0, 0, (struct usb_device_id const *)(& mwifiex_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U}; [L8862-L8866] static struct mwifiex_if_ops usb_ops = {0, 0, 0, 0, & mwifiex_register_dev, & mwifiex_unregister_dev, 0, 0, 0, & mwifiex_usb_host_to_card, & mwifiex_pm_wakeup_card, & mwifiex_pm_wakeup_card_complete, 0, 0, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_data_complete, 0, & mwifiex_usb_dnld_fw, 0, 0, 0}; [L8920] int ldv_retval_0 ; [L8921] int ldv_retval_4 ; [L8922] int ldv_retval_1 ; [L8926] int ldv_retval_3 ; [L8927] int ldv_retval_2 ; [L9241] Element set_impl[15] ; [L9242] int last_index = 0; [L9376] Set LDV_SKBS ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8951] u8 ldvarg1 ; [L8952] u8 tmp ; [L8953] struct mwifiex_tx_param *ldvarg0 ; [L8954] void *tmp___0 ; [L8955] struct mwifiex_fw_image *ldvarg2 ; [L8956] void *tmp___1 ; [L8957] struct usb_device_id *ldvarg4 ; [L8958] void *tmp___2 ; [L8959] pm_message_t ldvarg3 ; [L8960] int tmp___3 ; [L8961] int tmp___4 ; [L8962] int tmp___5 ; [L8963] int tmp___6 ; [L8965] tmp = __VERIFIER_nondet_u8() [L8966] ldvarg1 = tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=7, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=4, tmp___0=-2, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=7, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] tmp___0 = ldv_zalloc(4UL) [L8968] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=32, tmp___0=-3, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=7, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] tmp___1 = ldv_zalloc(32UL) [L8970] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=32, tmp___0=-4, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] tmp___2 = ldv_zalloc(32UL) [L8972] ldvarg4 = (struct usb_device_id *)tmp___2 [L8973] CALL ldv_initialize() [L9395] CALL ldv_set_init(LDV_SKBS) [L9247] set = set_impl [L9248] last_index = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={167:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9395] RET ldv_set_init(LDV_SKBS) [L8973] RET ldv_initialize() [L8974] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={18446744073709551619:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8975] ldv_state_variable_1 = 0 [L8976] ref_cnt = 0 [L8977] ldv_state_variable_0 = 1 [L8978] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: [L9068] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9069] COND TRUE ldv_state_variable_0 == 1 [L9070] CALL, EXPR mwifiex_usb_init_module() [L8869] int ret ; [L8870] struct _ddebug descriptor ; [L8871] long tmp ; [L8872] struct _ddebug descriptor___0 ; [L8873] long tmp___0 ; [L8875] descriptor.modname = "mwifiex_usb" [L8876] descriptor.function = "mwifiex_usb_init_module" [L8877] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8878] descriptor.format = "Marvell USB8797 Driver\n" [L8879] descriptor.lineno = 1046U [L8880] descriptor.flags = 0U [L8881] EXPR descriptor.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor.flags=0, descriptor___0={337:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor.flags=0, descriptor___0={337:0}, last_index=0, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8882] COND FALSE !(tmp != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor___0={337:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8886] CALL sema_init(& add_remove_card_sem, 1) [L7359] struct lock_class_key __key ; [L7360] struct semaphore __constr_expr_0 ; [L7362] __constr_expr_0.lock.raw_lock.ldv_1452.head_tail = 0U [L7363] __constr_expr_0.lock.magic = 3735899821U [L7364] __constr_expr_0.lock.owner_cpu = 4294967295U [L7365] __constr_expr_0.lock.owner = (void *)-1 [L7366] __constr_expr_0.lock.dep_map.key = 0 [L7367] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L7368] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L7369] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L7370] __constr_expr_0.lock.dep_map.cpu = 0 [L7371] __constr_expr_0.lock.dep_map.ip = 0UL [L7372] __constr_expr_0.count = (unsigned int )val [L7373] __constr_expr_0.wait_list.next = & sem->wait_list [L7374] __constr_expr_0.wait_list.prev = & sem->wait_list [L7375] *sem = __constr_expr_0 [L7376] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L7377] return; [L7377] return; VAL [\old(val)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, sem={163:0}, sem={163:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0, val=1] [L8886] RET sema_init(& add_remove_card_sem, 1) [L8887] CALL, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L9221] ldv_func_ret_type ldv_func_res ; [L9222] int tmp ; [L9224] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9571] return __VERIFIER_nondet_int(); [L9224] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9224] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9225] ldv_func_res = tmp [L9226] ldv_state_variable_2 = 1 [L9227] usb_counter = 0 [L9228] CALL ldv_usb_driver_2() [L8930] void *tmp ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=1560, tmp___0=-5, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1560UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] tmp = ldv_zalloc(1560UL) [L8933] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9228] RET ldv_usb_driver_2() [L9229] return (ldv_func_res); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, ldv_func_arg1={165:0}, ldv_func_arg1={165:0}, ldv_func_arg2={18446744073709551677:18446744073709551646}, ldv_func_arg2={18446744073709551677:18446744073709551646}, ldv_func_arg3={156:0}, ldv_func_arg3={156:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8887] RET, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8887] ret = ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8888] COND FALSE !(ret != 0) [L8891] descriptor___0.modname = "mwifiex_usb" [L8892] descriptor___0.function = "mwifiex_usb_init_module" [L8893] descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8894] descriptor___0.format = "info: Driver registered successfully!\n" [L8895] descriptor___0.lineno = 1054U [L8896] descriptor___0.flags = 0U [L8897] EXPR descriptor___0.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor___0={337:0}, descriptor___0.flags=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor___0={337:0}, descriptor___0.flags=0, last_index=0, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8898] COND FALSE !(tmp___0 != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, descriptor={18446744073709551620:0}, descriptor___0={337:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8903] return (ret); [L8903] return (ret); [L8903] return (ret); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9070] RET, EXPR mwifiex_usb_init_module() [L9070] ldv_retval_0 = mwifiex_usb_init_module() [L9071] COND TRUE ldv_retval_0 == 0 [L9072] ldv_state_variable_0 = 3 [L9073] ldv_state_variable_1 = 1 [L9074] CALL ldv_initialize_mwifiex_if_ops_1() [L8939] void *tmp ; [L8940] void *tmp___0 ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] CALL, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=6864, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=6864, tmp___0=-6, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] RET, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(6864UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] tmp = ldv_zalloc(6864UL) [L8943] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=232, tmp___0=-7, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(232UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] tmp___0 = ldv_zalloc(232UL) [L8945] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9074] RET ldv_initialize_mwifiex_if_ops_1() [L9077] COND FALSE !(ldv_retval_0 != 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8983] COND TRUE ldv_state_variable_1 != 0 [L8984] tmp___4 = __VERIFIER_nondet_int() [L8986] case 0: [L8993] case 1: [L9000] case 2: [L9007] case 3: [L9014] case 4: [L9021] case 5: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9022] COND TRUE ldv_state_variable_1 == 1 [L9023] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8796] int ret ; [L8797] struct usb_card_rec *card ; [L8799] EXPR adapter->card [L8799] card = (struct usb_card_rec *)adapter->card [L8800] EXPR card->usb_boot_state VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, card->usb_boot_state=0, fw={0:0}, fw={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8800] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8812] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8393] struct usb_card_rec *card ; [L8394] int i ; [L8395] int tmp ; [L8396] int tmp___0 ; [L8398] EXPR adapter->card [L8398] card = (struct usb_card_rec *)adapter->card [L8399] card->rx_cmd.adapter = adapter [L8400] EXPR card->rx_cmd_ep [L8400] card->rx_cmd.ep = card->rx_cmd_ep [L8401] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7271] void *p ; [L7272] void *tmp ; [L7273] int tmp___0 ; [L7275] tmp___0 = __VERIFIER_nondet_int() [L7276] COND FALSE !(tmp___0 != 0) [L7279] tmp = malloc(size) [L7280] p = tmp VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7282] return (p); VAL [\old(size)=184, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, arg0=0, arg1=208, last_index=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] return ldv_malloc(sizeof(struct urb)); [L8401] RET, EXPR usb_alloc_urb(0, 208U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_alloc_urb(0, 208U)={-18446744073709551615:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8401] card->rx_cmd.urb = usb_alloc_urb(0, 208U) [L8402] EXPR card->rx_cmd.urb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, card->rx_cmd.urb={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8402] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8407] CALL, EXPR ldv_dev_alloc_skb_14(2048U) VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND FALSE !(tmp___0 != 0) [L7296] EXPR, FCALL calloc(1UL, size) [L7296] tmp = calloc(1UL, size) [L7297] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, calloc(1UL, size)={169:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, calloc(1UL, size)={169:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7299] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={169:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, calloc(1UL, size)={169:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={169:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={169:0}, tmp___7={169:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND FALSE !(! skb) [L9387] CALL ldv_set_add(LDV_SKBS, skb) [L9255] int i ; [L9257] i = 0 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, e={169:0}, e={169:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9258] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, e={169:0}, e={169:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9259] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, e={169:0}, e={169:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9269] COND TRUE last_index < 15 [L9270] set_impl[last_index] = e [L9271] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, e={169:0}, e={169:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9387] RET ldv_set_add(LDV_SKBS, skb) [L9388] return (skb); VAL [\old(last_index)=0, \result={169:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={169:0}, tmp___7={169:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={169:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=0, \old(length)=2048, \result={169:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={169:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] RET, EXPR ldv_dev_alloc_skb_14(2048U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, last_index=1, ldv_dev_alloc_skb_14(2048U)={169:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] card->rx_cmd.skb = ldv_dev_alloc_skb_14(2048U) [L8408] EXPR card->rx_cmd.skb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, card->rx_cmd.skb={169:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8408] COND FALSE !((unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0)) [L8413] CALL, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, ctx={167:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7841] struct mwifiex_adapter *adapter ; [L7842] struct usb_card_rec *card ; [L7843] unsigned int tmp ; [L7844] int tmp___0 ; [L7846] EXPR ctx->adapter [L7846] adapter = ctx->adapter [L7847] EXPR adapter->card [L7847] card = (struct usb_card_rec *)adapter->card [L7848] EXPR card->rx_cmd_ep [L7848] EXPR ctx->ep VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={169:0}, add_remove_card_sem={163:0}, card={18446744073709551678:-25}, card->rx_cmd_ep=257, ctx={167:0}, ctx={167:0}, ctx->ep=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7848] COND TRUE (int )card->rx_cmd_ep != (int )ctx->ep [L7849] CALL, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(last_index)=1, \old(size)=248, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp___0=-9, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND TRUE ! skb [L9385] return ((void *)0); VAL [\old(last_index)=1, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={0:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=1, \old(length)=2048, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] RET, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={169:0}, add_remove_card_sem={163:0}, card={18446744073709551678:-25}, ctx={167:0}, ctx={167:0}, last_index=1, ldv_dev_alloc_skb_14((unsigned int )size)={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] ctx->skb = ldv_dev_alloc_skb_14((unsigned int )size) [L7850] EXPR ctx->skb VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={169:0}, add_remove_card_sem={163:0}, card={18446744073709551678:-25}, ctx={167:0}, ctx={167:0}, ctx->skb={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7850] COND TRUE (unsigned long )ctx->skb == (unsigned long )((struct sk_buff *)0) [L7851] adapter->dev [L7853] return (-12); VAL [\old(last_index)=1, \old(size)=2048, \result=-12, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={169:0}, add_remove_card_sem={163:0}, card={18446744073709551678:-25}, ctx={167:0}, ctx={167:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] RET, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048)=-12, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] tmp = mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) [L8414] COND TRUE tmp != 0 [L8415] return (-1); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=-12, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8812] RET, EXPR mwifiex_usb_rx_init(adapter) [L8812] ret = mwifiex_usb_rx_init(adapter) [L8813] COND FALSE !(ret == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=-1, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8817] return (ret); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-25}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=-1, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9023] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L9024] ldv_state_variable_1 = 1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9061] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L9062] CALL mwifiex_usb_cleanup_module() [L8908] int tmp ; [L8910] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9477] return __VERIFIER_nondet_int(); [L8910] RET, EXPR down_interruptible(& add_remove_card_sem) [L8910] tmp = down_interruptible(& add_remove_card_sem) [L8911] COND FALSE !(tmp == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8915] user_rmmod = 1U [L8916] CALL ldv_usb_deregister_18(& mwifiex_usb_driver) [L9235] FCALL usb_deregister(arg) [L9236] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, arg={165:0}, arg={165:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L8916] RET ldv_usb_deregister_18(& mwifiex_usb_driver) [L9062] RET mwifiex_usb_cleanup_module() [L9063] ldv_state_variable_0 = 2 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=7, ldvarg2={0:0}, ldvarg3={18446744073709551619:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=7, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9164] CALL ldv_check_final_state() [L9446] int tmp___7 ; [L9448] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L9337] return (last_index == 0); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9448] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L9448] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L9449] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp___7=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9451] CALL ldv_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L7323] reach_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={18446744073709551677:18446744073709551646}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 679 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.6s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 99.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 9983 SdHoareTripleChecker+Valid, 95.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9186 mSDsluCounter, 73971 SdHoareTripleChecker+Invalid, 90.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60225 mSDsCounter, 5683 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24000 IncrementalHoareTripleChecker+Invalid, 29714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5683 mSolverCounterUnsat, 13746 mSDtfsCounter, 24000 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1161 GetRequests, 991 SyntacticMatches, 1 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5704occurred in iteration=4, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 4695 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2577 NumberOfCodeBlocks, 2577 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2531 ConstructedInterpolants, 0 QuantifiedInterpolants, 5146 SizeOfPredicates, 17 NumberOfNonLiveVariables, 7404 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 1547/1552 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 [2022-07-12 12:41:17,867 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.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 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:41:19,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:41:19,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:41:19,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:41:19,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:41:19,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:41:19,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:41:19,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:41:19,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:41:19,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:41:19,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:41:19,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:41:19,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:41:19,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:41:19,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:41:19,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:41:19,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:41:19,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:41:19,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:41:19,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:41:19,557 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:41:19,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:41:19,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:41:19,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:41:19,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:41:19,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:41:19,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:41:19,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:41:19,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:41:19,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:41:19,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:41:19,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:41:19,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:41:19,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:41:19,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:41:19,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:41:19,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:41:19,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:41:19,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:41:19,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:41:19,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:41:19,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:41:19,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:41:19,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:41:19,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:41:19,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:41:19,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:41:19,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:41:19,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:41:19,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:41:19,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:41:19,607 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:41:19,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:41:19,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:41:19,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:41:19,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:41:19,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:41:19,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:41:19,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:41:19,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:41:19,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:41:19,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:41:19,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:41:19,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:41:19,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:41:19,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:41:19,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-07-12 12:41:19,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:41:19,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:41:19,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:41:19,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:41:19,900 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:41:19,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:41:19,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e162ced8/fd1b019c9bf34a6f91f5ad4fcf6928f5/FLAG9240dcccb [2022-07-12 12:41:20,625 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:41:20,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:41:20,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e162ced8/fd1b019c9bf34a6f91f5ad4fcf6928f5/FLAG9240dcccb [2022-07-12 12:41:20,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e162ced8/fd1b019c9bf34a6f91f5ad4fcf6928f5 [2022-07-12 12:41:20,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:41:20,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:41:20,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:41:20,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:41:20,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:41:20,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:41:20" (1/1) ... [2022-07-12 12:41:20,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653afaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:20, skipping insertion in model container [2022-07-12 12:41:20,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:41:20" (1/1) ... [2022-07-12 12:41:20,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:41:21,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:41:21,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-07-12 12:41:22,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:41:22,201 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:41:22,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:41:22,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-07-12 12:41:22,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:41:22,565 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:41:22,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-07-12 12:41:22,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:41:22,920 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:41:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22 WrapperNode [2022-07-12 12:41:22,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:41:22,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:41:22,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:41:22,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:41:22,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:22,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,075 INFO L137 Inliner]: procedures = 172, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2247 [2022-07-12 12:41:23,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:41:23,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:41:23,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:41:23,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:41:23,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:41:23,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:41:23,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:41:23,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:41:23,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (1/1) ... [2022-07-12 12:41:23,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:41:23,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:41:23,240 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) [2022-07-12 12:41:23,262 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 [2022-07-12 12:41:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 12:41:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 12:41:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-07-12 12:41:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-07-12 12:41:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:41:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 12:41:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 12:41:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 12:41:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 12:41:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 12:41:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-07-12 12:41:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-07-12 12:41:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:41:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:41:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-12 12:41:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-12 12:41:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 12:41:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 12:41:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-07-12 12:41:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-07-12 12:41:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:41:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:41:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:41:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:41:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:41:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:41:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:41:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:41:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-07-12 12:41:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-07-12 12:41:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-07-12 12:41:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-07-12 12:41:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:41:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:41:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:41:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:41:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 12:41:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 12:41:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:41:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:41:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:41:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-12 12:41:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-12 12:41:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:41:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:41:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:41:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:41:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:41:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:41:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:41:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:41:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:41:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:41:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 12:41:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:41:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:41:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:41:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:41:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:41:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:41:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-07-12 12:41:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-07-12 12:41:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:41:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:41:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:41:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-12 12:41:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-12 12:41:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 12:41:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 12:41:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:41:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:41:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:41:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:41:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:41:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:41:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:41:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 12:41:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 12:41:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:41:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-07-12 12:41:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-07-12 12:41:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-12 12:41:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-12 12:41:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 12:41:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 12:41:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:41:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:41:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:41:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:41:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:41:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-12 12:41:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-12 12:41:23,741 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:41:23,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:41:23,904 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:41:35,832 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:41:35,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:41:35,863 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 12:41:35,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:41:35 BoogieIcfgContainer [2022-07-12 12:41:35,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:41:35,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:41:35,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:41:35,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:41:35,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:41:20" (1/3) ... [2022-07-12 12:41:35,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7003ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:41:35, skipping insertion in model container [2022-07-12 12:41:35,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:41:22" (2/3) ... [2022-07-12 12:41:35,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7003ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:41:35, skipping insertion in model container [2022-07-12 12:41:35,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:41:35" (3/3) ... [2022-07-12 12:41:35,882 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-12 12:41:35,892 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:41:35,892 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:41:35,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:41:35,951 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@9fca134, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@710c7a0 [2022-07-12 12:41:35,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:41:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-07-12 12:41:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 12:41:35,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:35,975 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:35,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:35,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-07-12 12:41:35,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:35,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898890008] [2022-07-12 12:41:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:35,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:36,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:41:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:36,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:41:36,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 12:41:36,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:36,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898890008] [2022-07-12 12:41:36,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898890008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:36,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:36,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:41:36,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782627324] [2022-07-12 12:41:36,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:36,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:41:36,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:41:36,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:41:36,736 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:41:36,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:36,959 INFO L93 Difference]: Finished difference Result 1354 states and 1960 transitions. [2022-07-12 12:41:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:41:36,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-07-12 12:41:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:36,976 INFO L225 Difference]: With dead ends: 1354 [2022-07-12 12:41:36,976 INFO L226 Difference]: Without dead ends: 668 [2022-07-12 12:41:36,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:36,988 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 2 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:36,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2853 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:41:37,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-07-12 12:41:37,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2022-07-12 12:41:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 498 states have (on average 1.359437751004016) internal successors, (677), 505 states have internal predecessors, (677), 133 states have call successors, (133), 37 states have call predecessors, (133), 36 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-07-12 12:41:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 942 transitions. [2022-07-12 12:41:37,068 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 942 transitions. Word has length 45 [2022-07-12 12:41:37,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:37,069 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 942 transitions. [2022-07-12 12:41:37,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:41:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 942 transitions. [2022-07-12 12:41:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-12 12:41:37,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:37,074 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:37,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:37,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:37,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1712559836, now seen corresponding path program 1 times [2022-07-12 12:41:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:37,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560205172] [2022-07-12 12:41:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:37,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:37,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:37,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:37,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:41:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:37,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:41:37,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 12:41:37,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:41:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 12:41:38,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:38,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560205172] [2022-07-12 12:41:38,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560205172] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:41:38,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:41:38,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-12 12:41:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523758858] [2022-07-12 12:41:38,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:41:38,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:41:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:41:38,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:41:38,363 INFO L87 Difference]: Start difference. First operand 668 states and 942 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-07-12 12:41:39,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:39,042 INFO L93 Difference]: Finished difference Result 1336 states and 1886 transitions. [2022-07-12 12:41:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 12:41:39,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2022-07-12 12:41:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:39,050 INFO L225 Difference]: With dead ends: 1336 [2022-07-12 12:41:39,050 INFO L226 Difference]: Without dead ends: 677 [2022-07-12 12:41:39,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:41:39,054 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 11 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3751 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:39,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3751 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 12:41:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-07-12 12:41:39,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-07-12 12:41:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 506 states have (on average 1.359683794466403) internal successors, (688), 513 states have internal predecessors, (688), 133 states have call successors, (133), 38 states have call predecessors, (133), 37 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-07-12 12:41:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 953 transitions. [2022-07-12 12:41:39,085 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 953 transitions. Word has length 46 [2022-07-12 12:41:39,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:39,086 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 953 transitions. [2022-07-12 12:41:39,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-07-12 12:41:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 953 transitions. [2022-07-12 12:41:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 12:41:39,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:39,089 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:39,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:39,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:39,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:39,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash 728136240, now seen corresponding path program 2 times [2022-07-12 12:41:39,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:39,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888168829] [2022-07-12 12:41:39,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:41:39,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:39,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:39,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:41:39,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:41:39,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:41:39,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:41:39,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-12 12:41:39,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:39,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:39,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888168829] [2022-07-12 12:41:39,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888168829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:39,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:39,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:41:39,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524235104] [2022-07-12 12:41:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:39,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:41:39,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:41:39,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:39,812 INFO L87 Difference]: Start difference. First operand 677 states and 953 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:41:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:40,626 INFO L93 Difference]: Finished difference Result 1955 states and 2762 transitions. [2022-07-12 12:41:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:41:40,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-07-12 12:41:40,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:40,635 INFO L225 Difference]: With dead ends: 1955 [2022-07-12 12:41:40,635 INFO L226 Difference]: Without dead ends: 1298 [2022-07-12 12:41:40,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:40,640 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 895 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:40,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1981 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 12:41:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2022-07-12 12:41:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2022-07-12 12:41:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3646694214876034) internal successors, (1321), 982 states have internal predecessors, (1321), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-07-12 12:41:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1832 transitions. [2022-07-12 12:41:40,698 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1832 transitions. Word has length 49 [2022-07-12 12:41:40,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:40,699 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1832 transitions. [2022-07-12 12:41:40,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 12:41:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1832 transitions. [2022-07-12 12:41:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-12 12:41:40,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:40,702 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:40,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:40,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:40,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:40,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:40,924 INFO L85 PathProgramCache]: Analyzing trace with hash -602378178, now seen corresponding path program 1 times [2022-07-12 12:41:40,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:40,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318122555] [2022-07-12 12:41:40,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:40,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:40,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:40,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:40,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:41:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:41,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 12:41:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-12 12:41:41,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:41,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:41,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318122555] [2022-07-12 12:41:41,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318122555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:41,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:41,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:41:41,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723779127] [2022-07-12 12:41:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:41,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:41:41,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:41,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:41:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:41:41,897 INFO L87 Difference]: Start difference. First operand 1298 states and 1832 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 12:41:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:44,152 INFO L93 Difference]: Finished difference Result 2925 states and 4194 transitions. [2022-07-12 12:41:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:41:44,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2022-07-12 12:41:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:44,160 INFO L225 Difference]: With dead ends: 2925 [2022-07-12 12:41:44,160 INFO L226 Difference]: Without dead ends: 1647 [2022-07-12 12:41:44,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:44,166 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 431 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:44,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 6729 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 12:41:44,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-07-12 12:41:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1298. [2022-07-12 12:41:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3636363636363635) internal successors, (1320), 982 states have internal predecessors, (1320), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-07-12 12:41:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1831 transitions. [2022-07-12 12:41:44,211 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1831 transitions. Word has length 67 [2022-07-12 12:41:44,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:44,212 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1831 transitions. [2022-07-12 12:41:44,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 12:41:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1831 transitions. [2022-07-12 12:41:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-12 12:41:44,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:44,215 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:44,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 12:41:44,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:44,422 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:44,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1887150784, now seen corresponding path program 1 times [2022-07-12 12:41:44,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:44,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248879006] [2022-07-12 12:41:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:44,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:44,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:41:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:45,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:41:45,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-12 12:41:45,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:45,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:45,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248879006] [2022-07-12 12:41:45,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248879006] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:45,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:45,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:41:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318803418] [2022-07-12 12:41:45,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:45,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:41:45,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:41:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:45,966 INFO L87 Difference]: Start difference. First operand 1298 states and 1831 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 12:41:46,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:46,317 INFO L93 Difference]: Finished difference Result 3851 states and 5499 transitions. [2022-07-12 12:41:46,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:41:46,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2022-07-12 12:41:46,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:46,328 INFO L225 Difference]: With dead ends: 3851 [2022-07-12 12:41:46,328 INFO L226 Difference]: Without dead ends: 2563 [2022-07-12 12:41:46,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:46,333 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 895 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 4296 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:46,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 4296 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:41:46,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-07-12 12:41:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2563. [2022-07-12 12:41:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 1910 states have (on average 1.3638743455497382) internal successors, (2605), 1938 states have internal predecessors, (2605), 507 states have call successors, (507), 146 states have call predecessors, (507), 145 states have return successors, (536), 494 states have call predecessors, (536), 506 states have call successors, (536) [2022-07-12 12:41:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3648 transitions. [2022-07-12 12:41:46,401 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3648 transitions. Word has length 67 [2022-07-12 12:41:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:46,402 INFO L495 AbstractCegarLoop]: Abstraction has 2563 states and 3648 transitions. [2022-07-12 12:41:46,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 12:41:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3648 transitions. [2022-07-12 12:41:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-12 12:41:46,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:46,408 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:46,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:46,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:46,627 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:46,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash 510620113, now seen corresponding path program 1 times [2022-07-12 12:41:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:46,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030837953] [2022-07-12 12:41:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:46,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:46,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:46,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:46,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:41:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:47,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:41:47,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-12 12:41:47,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:47,557 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:47,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030837953] [2022-07-12 12:41:47,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030837953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:47,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:47,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:41:47,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839934820] [2022-07-12 12:41:47,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:47,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:41:47,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:47,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:41:47,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:47,559 INFO L87 Difference]: Start difference. First operand 2563 states and 3648 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:41:48,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:48,875 INFO L93 Difference]: Finished difference Result 6763 states and 9544 transitions. [2022-07-12 12:41:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:41:48,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2022-07-12 12:41:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:48,899 INFO L225 Difference]: With dead ends: 6763 [2022-07-12 12:41:48,899 INFO L226 Difference]: Without dead ends: 4218 [2022-07-12 12:41:48,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:48,909 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 603 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:48,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1989 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 12:41:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-07-12 12:41:49,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 4205. [2022-07-12 12:41:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 3114 states have (on average 1.3477842003853564) internal successors, (4197), 3162 states have internal predecessors, (4197), 829 states have call successors, (829), 262 states have call predecessors, (829), 261 states have return successors, (876), 808 states have call predecessors, (876), 828 states have call successors, (876) [2022-07-12 12:41:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5902 transitions. [2022-07-12 12:41:49,071 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5902 transitions. Word has length 117 [2022-07-12 12:41:49,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:49,071 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 5902 transitions. [2022-07-12 12:41:49,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:41:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5902 transitions. [2022-07-12 12:41:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-12 12:41:49,078 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:49,079 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:49,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 12:41:49,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:49,304 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:49,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1507578268, now seen corresponding path program 1 times [2022-07-12 12:41:49,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:49,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404920162] [2022-07-12 12:41:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:49,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:49,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:49,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:49,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 12:41:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:50,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:41:50,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-12 12:41:50,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:50,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:50,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404920162] [2022-07-12 12:41:50,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404920162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:50,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:50,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:41:50,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793508752] [2022-07-12 12:41:50,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:50,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:41:50,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:50,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:41:50,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:50,215 INFO L87 Difference]: Start difference. First operand 4205 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:41:50,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:50,504 INFO L93 Difference]: Finished difference Result 9818 states and 13766 transitions. [2022-07-12 12:41:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:41:50,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-07-12 12:41:50,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:50,532 INFO L225 Difference]: With dead ends: 9818 [2022-07-12 12:41:50,532 INFO L226 Difference]: Without dead ends: 5633 [2022-07-12 12:41:50,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:41:50,548 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 484 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:50,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 2179 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:41:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2022-07-12 12:41:50,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5598. [2022-07-12 12:41:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5598 states, 4174 states have (on average 1.35361763296598) internal successors, (5650), 4242 states have internal predecessors, (5650), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 357 states have return successors, (1129), 1029 states have call predecessors, (1129), 1065 states have call successors, (1129) [2022-07-12 12:41:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 7845 transitions. [2022-07-12 12:41:50,754 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 7845 transitions. Word has length 134 [2022-07-12 12:41:50,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:50,755 INFO L495 AbstractCegarLoop]: Abstraction has 5598 states and 7845 transitions. [2022-07-12 12:41:50,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:41:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 7845 transitions. [2022-07-12 12:41:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-12 12:41:50,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:50,766 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:50,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:50,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:50,977 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1851568064, now seen corresponding path program 1 times [2022-07-12 12:41:50,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:50,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108378783] [2022-07-12 12:41:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:50,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:50,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:50,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:50,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 12:41:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:52,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:41:52,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-12 12:41:52,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:52,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:52,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108378783] [2022-07-12 12:41:52,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108378783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:52,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:52,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:41:52,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68992002] [2022-07-12 12:41:52,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:52,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:41:52,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:52,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:41:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:52,200 INFO L87 Difference]: Start difference. First operand 5598 states and 7845 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:41:52,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:52,949 INFO L93 Difference]: Finished difference Result 8540 states and 11939 transitions. [2022-07-12 12:41:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:41:52,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2022-07-12 12:41:52,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:52,961 INFO L225 Difference]: With dead ends: 8540 [2022-07-12 12:41:52,962 INFO L226 Difference]: Without dead ends: 2963 [2022-07-12 12:41:52,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:52,976 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:52,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 12:41:52,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2022-07-12 12:41:53,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2875. [2022-07-12 12:41:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.351187703772706) internal successors, (2901), 2181 states have internal predecessors, (2901), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-07-12 12:41:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4012 transitions. [2022-07-12 12:41:53,061 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4012 transitions. Word has length 142 [2022-07-12 12:41:53,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:53,061 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4012 transitions. [2022-07-12 12:41:53,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:41:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4012 transitions. [2022-07-12 12:41:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-12 12:41:53,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:53,068 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:53,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-12 12:41:53,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:53,285 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1046565723, now seen corresponding path program 1 times [2022-07-12 12:41:53,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:53,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788791282] [2022-07-12 12:41:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:53,288 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:53,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 12:41:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:54,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 12:41:54,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-07-12 12:41:54,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:54,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:54,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788791282] [2022-07-12 12:41:54,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788791282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:54,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:54,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:41:54,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955693524] [2022-07-12 12:41:54,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:54,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:41:54,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:41:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:41:54,802 INFO L87 Difference]: Start difference. First operand 2875 states and 4012 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-12 12:41:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:57,395 INFO L93 Difference]: Finished difference Result 5709 states and 7974 transitions. [2022-07-12 12:41:57,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:41:57,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2022-07-12 12:41:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:57,410 INFO L225 Difference]: With dead ends: 5709 [2022-07-12 12:41:57,410 INFO L226 Difference]: Without dead ends: 2880 [2022-07-12 12:41:57,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:57,416 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 419 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:57,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 4214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 12:41:57,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-07-12 12:41:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2875. [2022-07-12 12:41:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.3502561714019563) internal successors, (2899), 2181 states have internal predecessors, (2899), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-07-12 12:41:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4010 transitions. [2022-07-12 12:41:57,487 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4010 transitions. Word has length 148 [2022-07-12 12:41:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:57,488 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4010 transitions. [2022-07-12 12:41:57,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-12 12:41:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4010 transitions. [2022-07-12 12:41:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-12 12:41:57,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:57,496 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:57,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:57,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:57,715 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:57,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:57,716 INFO L85 PathProgramCache]: Analyzing trace with hash 829917095, now seen corresponding path program 1 times [2022-07-12 12:41:57,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:57,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154916377] [2022-07-12 12:41:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:57,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:57,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:57,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:57,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 12:41:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:59,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 12:41:59,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-12 12:41:59,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:59,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:59,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154916377] [2022-07-12 12:41:59,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154916377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:59,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:59,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:41:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939619068] [2022-07-12 12:41:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:59,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:41:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:41:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:59,510 INFO L87 Difference]: Start difference. First operand 2875 states and 4010 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:41:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:59,776 INFO L93 Difference]: Finished difference Result 5736 states and 8025 transitions. [2022-07-12 12:41:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:41:59,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 148 [2022-07-12 12:41:59,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:59,788 INFO L225 Difference]: With dead ends: 5736 [2022-07-12 12:41:59,788 INFO L226 Difference]: Without dead ends: 2907 [2022-07-12 12:41:59,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:59,795 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 0 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5615 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:59,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5615 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:41:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-07-12 12:41:59,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2903. [2022-07-12 12:41:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2167 states have (on average 1.3470235348407937) internal successors, (2919), 2201 states have internal predecessors, (2919), 540 states have call successors, (540), 188 states have call predecessors, (540), 195 states have return successors, (601), 529 states have call predecessors, (601), 539 states have call successors, (601) [2022-07-12 12:41:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4060 transitions. [2022-07-12 12:41:59,854 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4060 transitions. Word has length 148 [2022-07-12 12:41:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:59,855 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4060 transitions. [2022-07-12 12:41:59,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 12:41:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4060 transitions. [2022-07-12 12:41:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-12 12:41:59,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:59,861 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:59,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:00,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:00,070 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash 198615179, now seen corresponding path program 1 times [2022-07-12 12:42:00,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:00,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777719615] [2022-07-12 12:42:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:00,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:00,073 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:42:00,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 12:42:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:01,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:42:01,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-07-12 12:42:01,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:01,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:01,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777719615] [2022-07-12 12:42:01,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777719615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:01,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:01,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:42:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437934979] [2022-07-12 12:42:01,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:01,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:42:01,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:01,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:42:01,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:42:01,637 INFO L87 Difference]: Start difference. First operand 2903 states and 4060 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-12 12:42:01,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:01,807 INFO L93 Difference]: Finished difference Result 5802 states and 8215 transitions. [2022-07-12 12:42:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:42:01,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154 [2022-07-12 12:42:01,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:01,818 INFO L225 Difference]: With dead ends: 5802 [2022-07-12 12:42:01,818 INFO L226 Difference]: Without dead ends: 2945 [2022-07-12 12:42:01,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:42:01,826 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 2 mSDsluCounter, 2799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:01,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3736 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:42:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-12 12:42:01,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2933. [2022-07-12 12:42:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2188 states have (on average 1.3436928702010968) internal successors, (2940), 2225 states have internal predecessors, (2940), 540 states have call successors, (540), 188 states have call predecessors, (540), 204 states have return successors, (614), 535 states have call predecessors, (614), 539 states have call successors, (614) [2022-07-12 12:42:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4094 transitions. [2022-07-12 12:42:01,888 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4094 transitions. Word has length 154 [2022-07-12 12:42:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:01,888 INFO L495 AbstractCegarLoop]: Abstraction has 2933 states and 4094 transitions. [2022-07-12 12:42:01,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-12 12:42:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4094 transitions. [2022-07-12 12:42:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 12:42:01,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:01,895 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:01,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:02,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:02,107 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:02,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 1 times [2022-07-12 12:42:02,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:02,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683987627] [2022-07-12 12:42:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:02,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:02,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:42:02,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 12:42:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:03,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 12:42:03,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-12 12:42:04,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:04,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:04,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683987627] [2022-07-12 12:42:04,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683987627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:04,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:04,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 12:42:04,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544226147] [2022-07-12 12:42:04,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:04,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 12:42:04,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:04,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 12:42:04,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:42:04,691 INFO L87 Difference]: Start difference. First operand 2933 states and 4094 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 9 states have internal predecessors, (106), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:06,002 INFO L93 Difference]: Finished difference Result 5858 states and 8257 transitions. [2022-07-12 12:42:06,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 12:42:06,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 9 states have internal predecessors, (106), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2022-07-12 12:42:06,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:06,024 INFO L225 Difference]: With dead ends: 5858 [2022-07-12 12:42:06,025 INFO L226 Difference]: Without dead ends: 2971 [2022-07-12 12:42:06,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-07-12 12:42:06,033 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 11 mSDsluCounter, 10343 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11288 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:06,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 11288 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:42:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2022-07-12 12:42:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2960. [2022-07-12 12:42:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2208 states have (on average 1.3378623188405796) internal successors, (2954), 2243 states have internal predecessors, (2954), 540 states have call successors, (540), 188 states have call predecessors, (540), 211 states have return successors, (628), 544 states have call predecessors, (628), 539 states have call successors, (628) [2022-07-12 12:42:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4122 transitions. [2022-07-12 12:42:06,096 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4122 transitions. Word has length 161 [2022-07-12 12:42:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:06,097 INFO L495 AbstractCegarLoop]: Abstraction has 2960 states and 4122 transitions. [2022-07-12 12:42:06,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 9 states have internal predecessors, (106), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4122 transitions. [2022-07-12 12:42:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-12 12:42:06,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:06,104 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:06,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:06,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:06,315 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:06,316 INFO L85 PathProgramCache]: Analyzing trace with hash 561002325, now seen corresponding path program 1 times [2022-07-12 12:42:06,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:06,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047825346] [2022-07-12 12:42:06,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:06,318 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:42:06,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 12:42:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:07,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-12 12:42:07,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-07-12 12:42:09,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:09,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:09,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047825346] [2022-07-12 12:42:09,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047825346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:09,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:09,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 12:42:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23852824] [2022-07-12 12:42:09,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:09,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 12:42:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:09,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 12:42:09,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:42:09,106 INFO L87 Difference]: Start difference. First operand 2960 states and 4122 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 9 states have internal predecessors, (109), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 12:42:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:10,276 INFO L93 Difference]: Finished difference Result 5897 states and 8287 transitions. [2022-07-12 12:42:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 12:42:10,277 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 9 states have internal predecessors, (109), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2022-07-12 12:42:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:10,285 INFO L225 Difference]: With dead ends: 5897 [2022-07-12 12:42:10,286 INFO L226 Difference]: Without dead ends: 2983 [2022-07-12 12:42:10,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 12:42:10,293 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 12 mSDsluCounter, 9400 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10345 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:10,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10345 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 12:42:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2022-07-12 12:42:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2977. [2022-07-12 12:42:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2223 states have (on average 1.335582546108862) internal successors, (2969), 2253 states have internal predecessors, (2969), 540 states have call successors, (540), 188 states have call predecessors, (540), 213 states have return successors, (631), 551 states have call predecessors, (631), 539 states have call successors, (631) [2022-07-12 12:42:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 4140 transitions. [2022-07-12 12:42:10,352 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 4140 transitions. Word has length 170 [2022-07-12 12:42:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:10,352 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 4140 transitions. [2022-07-12 12:42:10,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 9 states have internal predecessors, (109), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 12:42:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 4140 transitions. [2022-07-12 12:42:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-12 12:42:10,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:10,359 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:10,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:10,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:10,576 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1188259002, now seen corresponding path program 1 times [2022-07-12 12:42:10,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:10,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636507688] [2022-07-12 12:42:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:10,579 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:42:10,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 12:42:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:11,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:42:11,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 12:42:12,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:12,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:12,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636507688] [2022-07-12 12:42:12,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636507688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:12,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:12,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:42:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794578970] [2022-07-12 12:42:12,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:12,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:42:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:12,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:42:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:42:12,327 INFO L87 Difference]: Start difference. First operand 2977 states and 4140 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 12:42:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:12,632 INFO L93 Difference]: Finished difference Result 6765 states and 9405 transitions. [2022-07-12 12:42:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:42:12,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-07-12 12:42:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:12,642 INFO L225 Difference]: With dead ends: 6765 [2022-07-12 12:42:12,643 INFO L226 Difference]: Without dead ends: 3834 [2022-07-12 12:42:12,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:42:12,648 INFO L413 NwaCegarLoop]: 1126 mSDtfsCounter, 650 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:12,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1851 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:42:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2022-07-12 12:42:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3803. [2022-07-12 12:42:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3803 states, 2863 states have (on average 1.3370590289905693) internal successors, (3828), 2899 states have internal predecessors, (3828), 656 states have call successors, (656), 248 states have call predecessors, (656), 283 states have return successors, (777), 673 states have call predecessors, (777), 655 states have call successors, (777) [2022-07-12 12:42:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 5261 transitions. [2022-07-12 12:42:12,776 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 5261 transitions. Word has length 172 [2022-07-12 12:42:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:12,776 INFO L495 AbstractCegarLoop]: Abstraction has 3803 states and 5261 transitions. [2022-07-12 12:42:12,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 12:42:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 5261 transitions. [2022-07-12 12:42:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-12 12:42:12,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:12,784 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:12,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:12,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:12,999 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:13,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-07-12 12:42:13,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:13,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180318216] [2022-07-12 12:42:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:13,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:13,003 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:42:13,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process