./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-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 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:29:08,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:29:08,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:29:08,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:29:08,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:29:08,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:29:08,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:29:08,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:29:08,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:29:08,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:29:08,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:29:08,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:29:08,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:29:08,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:29:08,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:29:08,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:29:08,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:29:08,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:29:08,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:29:08,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:29:08,648 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:29:08,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:29:08,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:29:08,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:29:08,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:29:08,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:29:08,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:29:08,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:29:08,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:29:08,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:29:08,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:29:08,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:29:08,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:29:08,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:29:08,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:29:08,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:29:08,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:29:08,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:29:08,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:29:08,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:29:08,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:29:08,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:29:08,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:29:08,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:29:08,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:29:08,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:29:08,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:29:08,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:29:08,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:29:08,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:29:08,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:29:08,700 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:29:08,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:29:08,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:29:08,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:29:08,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:29:08,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:29:08,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:29:08,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:29:08,703 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:29:08,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:29:08,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:29:08,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:29:08,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:29:08,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:29:08,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:29:08,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:29:08,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:29:08,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:29:08,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:29:08,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:29:08,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:29:08,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:29:08,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 [2022-07-19 23:29:08,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:29:08,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:29:08,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:29:08,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:29:08,977 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:29:08,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:29:09,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24cc9513/1eace2f07c08439f84ef5527c4fc8dcd/FLAG0e47c4495 [2022-07-19 23:29:09,685 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:29:09,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:29:09,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24cc9513/1eace2f07c08439f84ef5527c4fc8dcd/FLAG0e47c4495 [2022-07-19 23:29:09,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24cc9513/1eace2f07c08439f84ef5527c4fc8dcd [2022-07-19 23:29:09,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:29:09,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:29:09,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:29:09,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:29:09,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:29:09,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:09" (1/1) ... [2022-07-19 23:29:09,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe835da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:09, skipping insertion in model container [2022-07-19 23:29:09,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:09" (1/1) ... [2022-07-19 23:29:09,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:29:09,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:29:10,684 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-07-19 23:29:11,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:29:11,140 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:29:11,305 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-07-19 23:29:11,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:29:11,535 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:29:11,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11 WrapperNode [2022-07-19 23:29:11,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:29:11,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:29:11,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:29:11,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:29:11,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,724 INFO L137 Inliner]: procedures = 163, calls = 1186, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 3081 [2022-07-19 23:29:11,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:29:11,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:29:11,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:29:11,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:29:11,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:29:11,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:29:11,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:29:11,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:29:11,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (1/1) ... [2022-07-19 23:29:11,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:29:11,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:29:11,944 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) [2022-07-19 23:29:11,971 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 [2022-07-19 23:29:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-19 23:29:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-19 23:29:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2022-07-19 23:29:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2022-07-19 23:29:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2022-07-19 23:29:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2022-07-19 23:29:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-19 23:29:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-19 23:29:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:29:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2022-07-19 23:29:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2022-07-19 23:29:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:29:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:29:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-07-19 23:29:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-07-19 23:29:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:29:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:29:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:29:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-19 23:29:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-19 23:29:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-19 23:29:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-19 23:29:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-19 23:29:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-19 23:29:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:29:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:29:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-07-19 23:29:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-07-19 23:29:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-19 23:29:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-19 23:29:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:29:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-19 23:29:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-19 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-19 23:29:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-19 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-07-19 23:29:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-07-19 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-07-19 23:29:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-07-19 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:29:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:29:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:29:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:29:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:29:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2022-07-19 23:29:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2022-07-19 23:29:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-19 23:29:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-19 23:29:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-19 23:29:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-19 23:29:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:29:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:29:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:29:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:29:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:29:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:29:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:29:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:29:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:29:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-19 23:29:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-19 23:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-19 23:29:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-19 23:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:29:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-19 23:29:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-19 23:29:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:29:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:29:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:29:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-07-19 23:29:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-07-19 23:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-07-19 23:29:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-07-19 23:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:29:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-19 23:29:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-19 23:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2022-07-19 23:29:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2022-07-19 23:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:29:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:29:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-19 23:29:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-19 23:29:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:29:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-07-19 23:29:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-07-19 23:29:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-19 23:29:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-19 23:29:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-19 23:29:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-19 23:29:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:29:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-19 23:29:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:29:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:29:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:29:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:29:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-19 23:29:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-19 23:29:12,557 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:29:12,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:29:12,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:29:13,460 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-19 23:29:16,790 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:29:16,807 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:29:16,808 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 23:29:16,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:16 BoogieIcfgContainer [2022-07-19 23:29:16,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:29:16,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:29:16,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:29:16,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:29:16,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:29:09" (1/3) ... [2022-07-19 23:29:16,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cda5e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:16, skipping insertion in model container [2022-07-19 23:29:16,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:11" (2/3) ... [2022-07-19 23:29:16,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cda5e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:16, skipping insertion in model container [2022-07-19 23:29:16,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:16" (3/3) ... [2022-07-19 23:29:16,823 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:29:16,835 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:29:16,836 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:29:16,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:29:16,920 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@1e82d057, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@68e6580f [2022-07-19 23:29:16,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:29:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 855 states, 631 states have (on average 1.3851030110935023) internal successors, (874), 657 states have internal predecessors, (874), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) [2022-07-19 23:29:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-19 23:29:16,963 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:16,964 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] [2022-07-19 23:29:16,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:16,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:16,970 INFO L85 PathProgramCache]: Analyzing trace with hash -967497407, now seen corresponding path program 1 times [2022-07-19 23:29:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:16,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055443884] [2022-07-19 23:29:16,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:29:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:29:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:29:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 23:29:17,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:17,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055443884] [2022-07-19 23:29:17,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055443884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:17,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:17,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:29:17,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594779682] [2022-07-19 23:29:17,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:17,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:29:17,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:17,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:29:17,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:29:17,542 INFO L87 Difference]: Start difference. First operand has 855 states, 631 states have (on average 1.3851030110935023) internal successors, (874), 657 states have internal predecessors, (874), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-07-19 23:29:19,903 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 [] [2022-07-19 23:29:21,937 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 [] [2022-07-19 23:29:25,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:25,617 INFO L93 Difference]: Finished difference Result 2754 states and 4123 transitions. [2022-07-19 23:29:25,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:29:25,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 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 44 [2022-07-19 23:29:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:25,647 INFO L225 Difference]: With dead ends: 2754 [2022-07-19 23:29:25,648 INFO L226 Difference]: Without dead ends: 1880 [2022-07-19 23:29:25,662 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 [2022-07-19 23:29:25,665 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 1894 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 1012 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 3377 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:25,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 3377 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 1538 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-07-19 23:29:25,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-07-19 23:29:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1612. [2022-07-19 23:29:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1197 states have (on average 1.3751044277360067) internal successors, (1646), 1229 states have internal predecessors, (1646), 332 states have call successors, (332), 83 states have call predecessors, (332), 82 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-07-19 23:29:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2305 transitions. [2022-07-19 23:29:25,820 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2305 transitions. Word has length 44 [2022-07-19 23:29:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:25,821 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2305 transitions. [2022-07-19 23:29:25,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-07-19 23:29:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2305 transitions. [2022-07-19 23:29:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-19 23:29:25,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:25,825 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] [2022-07-19 23:29:25,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:29:25,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1415687837, now seen corresponding path program 1 times [2022-07-19 23:29:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713447326] [2022-07-19 23:29:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:29:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:29:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:29:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:29:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:29:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:29:26,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:26,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713447326] [2022-07-19 23:29:26,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713447326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:26,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:26,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:29:26,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423070655] [2022-07-19 23:29:26,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:26,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:29:26,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:26,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:29:26,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:29:26,263 INFO L87 Difference]: Start difference. First operand 1612 states and 2305 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:29:28,484 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 [] [2022-07-19 23:29:30,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:29:33,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:29:35,514 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 [] [2022-07-19 23:29:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:38,405 INFO L93 Difference]: Finished difference Result 5349 states and 7945 transitions. [2022-07-19 23:29:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:29:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2022-07-19 23:29:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:38,429 INFO L225 Difference]: With dead ends: 5349 [2022-07-19 23:29:38,429 INFO L226 Difference]: Without dead ends: 3748 [2022-07-19 23:29:38,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:29:38,440 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1949 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 1010 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1010 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:38,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 3460 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1010 Valid, 1563 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-07-19 23:29:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3748 states. [2022-07-19 23:29:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3748 to 3286. [2022-07-19 23:29:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 2434 states have (on average 1.3697617091207888) internal successors, (3334), 2504 states have internal predecessors, (3334), 671 states have call successors, (671), 165 states have call predecessors, (671), 180 states have return successors, (762), 642 states have call predecessors, (762), 666 states have call successors, (762) [2022-07-19 23:29:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 4767 transitions. [2022-07-19 23:29:38,591 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 4767 transitions. Word has length 61 [2022-07-19 23:29:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:38,592 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 4767 transitions. [2022-07-19 23:29:38,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:29:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 4767 transitions. [2022-07-19 23:29:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-19 23:29:38,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:38,597 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] [2022-07-19 23:29:38,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:29:38,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:38,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash -937016713, now seen corresponding path program 1 times [2022-07-19 23:29:38,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:38,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052036175] [2022-07-19 23:29:38,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:29:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:29:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:29:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:29:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:29:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:29:38,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:38,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052036175] [2022-07-19 23:29:38,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052036175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:38,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:38,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:29:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143576604] [2022-07-19 23:29:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:38,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:29:38,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:29:38,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:29:38,990 INFO L87 Difference]: Start difference. First operand 3286 states and 4767 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:29:41,236 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 [] [2022-07-19 23:29:43,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:29:47,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:29:49,177 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 [] [2022-07-19 23:29:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:51,161 INFO L93 Difference]: Finished difference Result 10731 states and 16197 transitions. [2022-07-19 23:29:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:29:51,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62 [2022-07-19 23:29:51,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:51,207 INFO L225 Difference]: With dead ends: 10731 [2022-07-19 23:29:51,208 INFO L226 Difference]: Without dead ends: 7456 [2022-07-19 23:29:51,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:29:51,225 INFO L413 NwaCegarLoop]: 1296 mSDtfsCounter, 2006 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1033 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1033 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:51,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 3309 Invalid, 2564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1033 Valid, 1527 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-07-19 23:29:51,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7456 states. [2022-07-19 23:29:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7456 to 6627. [2022-07-19 23:29:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6627 states, 4901 states have (on average 1.3650275453988983) internal successors, (6690), 5047 states have internal predecessors, (6690), 1349 states have call successors, (1349), 329 states have call predecessors, (1349), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-07-19 23:29:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6627 states to 6627 states and 9741 transitions. [2022-07-19 23:29:51,518 INFO L78 Accepts]: Start accepts. Automaton has 6627 states and 9741 transitions. Word has length 62 [2022-07-19 23:29:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:51,520 INFO L495 AbstractCegarLoop]: Abstraction has 6627 states and 9741 transitions. [2022-07-19 23:29:51,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:29:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 9741 transitions. [2022-07-19 23:29:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-19 23:29:51,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:51,523 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] [2022-07-19 23:29:51,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:29:51,523 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:51,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:51,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1016891110, now seen corresponding path program 1 times [2022-07-19 23:29:51,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:51,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755402357] [2022-07-19 23:29:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:51,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:29:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:29:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:29:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:29:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:29:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:29:51,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:51,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755402357] [2022-07-19 23:29:51,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755402357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:51,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:51,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:29:51,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833981286] [2022-07-19 23:29:51,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:51,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:29:51,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:51,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:29:51,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:29:51,873 INFO L87 Difference]: Start difference. First operand 6627 states and 9741 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:29:54,073 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 [] [2022-07-19 23:29:56,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:29:59,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:01,668 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 [] [2022-07-19 23:30:03,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:03,295 INFO L93 Difference]: Finished difference Result 7454 states and 11168 transitions. [2022-07-19 23:30:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:30:03,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-07-19 23:30:03,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:03,343 INFO L225 Difference]: With dead ends: 7454 [2022-07-19 23:30:03,343 INFO L226 Difference]: Without dead ends: 7451 [2022-07-19 23:30:03,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:30:03,350 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 2003 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 1027 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:03,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 3318 Invalid, 2551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1027 Valid, 1520 Invalid, 4 Unknown, 0 Unchecked, 11.2s Time] [2022-07-19 23:30:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7451 states. [2022-07-19 23:30:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7451 to 6628. [2022-07-19 23:30:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6628 states, 4902 states have (on average 1.364953080375357) internal successors, (6691), 5048 states have internal predecessors, (6691), 1349 states have call successors, (1349), 329 states have call predecessors, (1349), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-07-19 23:30:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6628 states to 6628 states and 9742 transitions. [2022-07-19 23:30:03,662 INFO L78 Accepts]: Start accepts. Automaton has 6628 states and 9742 transitions. Word has length 63 [2022-07-19 23:30:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:03,664 INFO L495 AbstractCegarLoop]: Abstraction has 6628 states and 9742 transitions. [2022-07-19 23:30:03,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:30:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6628 states and 9742 transitions. [2022-07-19 23:30:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 23:30:03,669 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:03,669 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, 1] [2022-07-19 23:30:03,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:30:03,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:03,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:03,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1458496346, now seen corresponding path program 1 times [2022-07-19 23:30:03,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:03,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864093636] [2022-07-19 23:30:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:03,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:30:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:30:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:30:03,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:03,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864093636] [2022-07-19 23:30:03,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864093636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:03,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:03,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:30:03,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613034321] [2022-07-19 23:30:03,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:03,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:30:03,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:30:03,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:30:03,964 INFO L87 Difference]: Start difference. First operand 6628 states and 9742 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:30:06,161 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 [] [2022-07-19 23:30:08,190 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 [] [2022-07-19 23:30:10,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:10,479 INFO L93 Difference]: Finished difference Result 7450 states and 11164 transitions. [2022-07-19 23:30:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:30:10,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2022-07-19 23:30:10,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:10,524 INFO L225 Difference]: With dead ends: 7450 [2022-07-19 23:30:10,524 INFO L226 Difference]: Without dead ends: 7447 [2022-07-19 23:30:10,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:30:10,530 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 1541 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 574 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:10,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 2213 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 798 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-07-19 23:30:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2022-07-19 23:30:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 6627. [2022-07-19 23:30:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6627 states, 4902 states have (on average 1.364749082007344) internal successors, (6690), 5047 states have internal predecessors, (6690), 1348 states have call successors, (1348), 329 states have call predecessors, (1348), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-07-19 23:30:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6627 states to 6627 states and 9740 transitions. [2022-07-19 23:30:10,804 INFO L78 Accepts]: Start accepts. Automaton has 6627 states and 9740 transitions. Word has length 64 [2022-07-19 23:30:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:10,807 INFO L495 AbstractCegarLoop]: Abstraction has 6627 states and 9740 transitions. [2022-07-19 23:30:10,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:30:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 9740 transitions. [2022-07-19 23:30:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-19 23:30:10,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:10,810 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, 1, 1] [2022-07-19 23:30:10,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:30:10,811 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:10,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2031605655, now seen corresponding path program 1 times [2022-07-19 23:30:10,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:10,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615119712] [2022-07-19 23:30:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:10,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:30:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:30:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:30:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:11,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615119712] [2022-07-19 23:30:11,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615119712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:11,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:11,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:30:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125131293] [2022-07-19 23:30:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:11,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:30:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:30:11,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:30:11,086 INFO L87 Difference]: Start difference. First operand 6627 states and 9740 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:30:13,267 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 [] [2022-07-19 23:30:15,305 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 [] [2022-07-19 23:30:17,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:17,382 INFO L93 Difference]: Finished difference Result 7449 states and 11162 transitions. [2022-07-19 23:30:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:30:17,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 65 [2022-07-19 23:30:17,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:17,420 INFO L225 Difference]: With dead ends: 7449 [2022-07-19 23:30:17,420 INFO L226 Difference]: Without dead ends: 7417 [2022-07-19 23:30:17,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:30:17,429 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 1537 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 572 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:17,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 2214 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 792 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-07-19 23:30:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7417 states. [2022-07-19 23:30:17,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7417 to 6597. [2022-07-19 23:30:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6597 states, 4875 states have (on average 1.3645128205128205) internal successors, (6652), 5019 states have internal predecessors, (6652), 1345 states have call successors, (1345), 329 states have call predecessors, (1345), 376 states have return successors, (1696), 1302 states have call predecessors, (1696), 1342 states have call successors, (1696) [2022-07-19 23:30:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6597 states to 6597 states and 9693 transitions. [2022-07-19 23:30:17,700 INFO L78 Accepts]: Start accepts. Automaton has 6597 states and 9693 transitions. Word has length 65 [2022-07-19 23:30:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:17,701 INFO L495 AbstractCegarLoop]: Abstraction has 6597 states and 9693 transitions. [2022-07-19 23:30:17,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:30:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 6597 states and 9693 transitions. [2022-07-19 23:30:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-19 23:30:17,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:17,706 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-19 23:30:17,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:30:17,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:17,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:17,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1428627121, now seen corresponding path program 1 times [2022-07-19 23:30:17,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:17,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432809731] [2022-07-19 23:30:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:17,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:30:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:30:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:30:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 23:30:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 23:30:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:17,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432809731] [2022-07-19 23:30:17,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432809731] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:17,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:17,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:30:17,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848480398] [2022-07-19 23:30:17,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:17,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:30:17,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:17,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:30:17,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:30:17,974 INFO L87 Difference]: Start difference. First operand 6597 states and 9693 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:30:20,146 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 [] [2022-07-19 23:30:22,173 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 [] [2022-07-19 23:30:25,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:25,931 INFO L93 Difference]: Finished difference Result 20473 states and 30444 transitions. [2022-07-19 23:30:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:30:25,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-07-19 23:30:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:26,010 INFO L225 Difference]: With dead ends: 20473 [2022-07-19 23:30:26,010 INFO L226 Difference]: Without dead ends: 13887 [2022-07-19 23:30:26,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:30:26,079 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 2133 mSDsluCounter, 2384 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 1594 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1594 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:26,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 3902 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1594 Valid, 1711 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-07-19 23:30:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13887 states. [2022-07-19 23:30:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13887 to 12437. [2022-07-19 23:30:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12437 states, 9104 states have (on average 1.3474297012302285) internal successors, (12267), 9423 states have internal predecessors, (12267), 2516 states have call successors, (2516), 623 states have call predecessors, (2516), 816 states have return successors, (3667), 2490 states have call predecessors, (3667), 2513 states have call successors, (3667) [2022-07-19 23:30:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12437 states to 12437 states and 18450 transitions. [2022-07-19 23:30:26,684 INFO L78 Accepts]: Start accepts. Automaton has 12437 states and 18450 transitions. Word has length 98 [2022-07-19 23:30:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:26,685 INFO L495 AbstractCegarLoop]: Abstraction has 12437 states and 18450 transitions. [2022-07-19 23:30:26,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:30:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12437 states and 18450 transitions. [2022-07-19 23:30:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 23:30:26,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:26,698 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 23:30:26,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:30:26,699 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:26,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash -173781947, now seen corresponding path program 1 times [2022-07-19 23:30:26,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:26,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149000797] [2022-07-19 23:30:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:26,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:30:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:30:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:30:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:30:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:30:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:30:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-19 23:30:27,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:27,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149000797] [2022-07-19 23:30:27,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149000797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:27,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:27,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:30:27,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585060977] [2022-07-19 23:30:27,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:27,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:30:27,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:27,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:30:27,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:30:27,119 INFO L87 Difference]: Start difference. First operand 12437 states and 18450 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 23:30:29,447 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 [] [2022-07-19 23:30:31,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:33,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:37,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:37,992 INFO L93 Difference]: Finished difference Result 26259 states and 39141 transitions. [2022-07-19 23:30:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:30:37,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 124 [2022-07-19 23:30:37,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:38,065 INFO L225 Difference]: With dead ends: 26259 [2022-07-19 23:30:38,065 INFO L226 Difference]: Without dead ends: 13844 [2022-07-19 23:30:38,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:30:38,152 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 679 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 697 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 6247 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:38,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 6247 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 2575 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-07-19 23:30:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13844 states. [2022-07-19 23:30:38,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13844 to 12457. [2022-07-19 23:30:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12457 states, 9120 states have (on average 1.3468201754385964) internal successors, (12283), 9435 states have internal predecessors, (12283), 2520 states have call successors, (2520), 623 states have call predecessors, (2520), 816 states have return successors, (3671), 2498 states have call predecessors, (3671), 2517 states have call successors, (3671) [2022-07-19 23:30:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12457 states to 12457 states and 18474 transitions. [2022-07-19 23:30:38,974 INFO L78 Accepts]: Start accepts. Automaton has 12457 states and 18474 transitions. Word has length 124 [2022-07-19 23:30:38,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:38,975 INFO L495 AbstractCegarLoop]: Abstraction has 12457 states and 18474 transitions. [2022-07-19 23:30:38,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 23:30:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12457 states and 18474 transitions. [2022-07-19 23:30:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-19 23:30:38,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:38,985 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 23:30:38,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:30:38,985 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:38,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:38,986 INFO L85 PathProgramCache]: Analyzing trace with hash 582365067, now seen corresponding path program 1 times [2022-07-19 23:30:38,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:38,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963839686] [2022-07-19 23:30:38,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:30:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:30:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:30:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:30:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:30:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:30:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 23:30:39,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:39,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963839686] [2022-07-19 23:30:39,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963839686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:39,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:39,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:30:39,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040149532] [2022-07-19 23:30:39,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:39,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:30:39,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:39,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:30:39,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:30:39,328 INFO L87 Difference]: Start difference. First operand 12457 states and 18474 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:30:41,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:43,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:46,599 INFO L93 Difference]: Finished difference Result 26280 states and 39126 transitions. [2022-07-19 23:30:46,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 23:30:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2022-07-19 23:30:46,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:46,656 INFO L225 Difference]: With dead ends: 26280 [2022-07-19 23:30:46,657 INFO L226 Difference]: Without dead ends: 13826 [2022-07-19 23:30:46,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:30:46,692 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 914 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 955 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 4120 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:46,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 4120 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 1547 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-07-19 23:30:46,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13826 states. [2022-07-19 23:30:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13826 to 12466. [2022-07-19 23:30:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12466 states, 9129 states have (on average 1.346478256106912) internal successors, (12292), 9444 states have internal predecessors, (12292), 2520 states have call successors, (2520), 623 states have call predecessors, (2520), 816 states have return successors, (3671), 2498 states have call predecessors, (3671), 2517 states have call successors, (3671) [2022-07-19 23:30:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12466 states to 12466 states and 18483 transitions. [2022-07-19 23:30:47,350 INFO L78 Accepts]: Start accepts. Automaton has 12466 states and 18483 transitions. Word has length 130 [2022-07-19 23:30:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:47,351 INFO L495 AbstractCegarLoop]: Abstraction has 12466 states and 18483 transitions. [2022-07-19 23:30:47,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:30:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 12466 states and 18483 transitions. [2022-07-19 23:30:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-19 23:30:47,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:47,361 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 23:30:47,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 23:30:47,362 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:47,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:47,362 INFO L85 PathProgramCache]: Analyzing trace with hash -413463987, now seen corresponding path program 1 times [2022-07-19 23:30:47,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:47,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022405785] [2022-07-19 23:30:47,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:47,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:30:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:30:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 23:30:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:30:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 23:30:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:30:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 23:30:47,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:47,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022405785] [2022-07-19 23:30:47,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022405785] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:30:47,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882508593] [2022-07-19 23:30:47,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:47,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:30:47,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:30:47,780 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) [2022-07-19 23:30:47,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 23:30:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:48,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2200 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-19 23:30:48,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-19 23:30:48,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:48,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882508593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:48,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:30:48,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-19 23:30:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944711030] [2022-07-19 23:30:48,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:48,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:30:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:48,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:30:48,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:30:48,802 INFO L87 Difference]: Start difference. First operand 12466 states and 18483 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:30:49,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:49,258 INFO L93 Difference]: Finished difference Result 20320 states and 30035 transitions. [2022-07-19 23:30:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:30:49,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-07-19 23:30:49,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:49,295 INFO L225 Difference]: With dead ends: 20320 [2022-07-19 23:30:49,295 INFO L226 Difference]: Without dead ends: 7867 [2022-07-19 23:30:49,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:30:49,336 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 38 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4771 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:49,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4771 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:30:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2022-07-19 23:30:49,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 7640. [2022-07-19 23:30:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7640 states, 5599 states have (on average 1.342025361671727) internal successors, (7514), 5793 states have internal predecessors, (7514), 1533 states have call successors, (1533), 397 states have call predecessors, (1533), 507 states have return successors, (2172), 1510 states have call predecessors, (2172), 1530 states have call successors, (2172) [2022-07-19 23:30:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7640 states to 7640 states and 11219 transitions. [2022-07-19 23:30:49,784 INFO L78 Accepts]: Start accepts. Automaton has 7640 states and 11219 transitions. Word has length 131 [2022-07-19 23:30:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:49,785 INFO L495 AbstractCegarLoop]: Abstraction has 7640 states and 11219 transitions. [2022-07-19 23:30:49,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:30:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7640 states and 11219 transitions. [2022-07-19 23:30:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-19 23:30:49,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:49,796 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-07-19 23:30:49,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:50,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 23:30:50,024 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:50,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1984420258, now seen corresponding path program 1 times [2022-07-19 23:30:50,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:50,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206681178] [2022-07-19 23:30:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:30:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:30:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:30:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 23:30:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:30:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:30:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:30:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:30:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:30:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:30:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 23:30:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-19 23:30:50,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:50,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206681178] [2022-07-19 23:30:50,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206681178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:50,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:50,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:30:50,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140641581] [2022-07-19 23:30:50,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:50,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:30:50,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:50,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:30:50,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:30:50,272 INFO L87 Difference]: Start difference. First operand 7640 states and 11219 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 23:30:52,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:30:54,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:01,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:01,147 INFO L93 Difference]: Finished difference Result 22089 states and 33842 transitions. [2022-07-19 23:31:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 23:31:01,148 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2022-07-19 23:31:01,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:01,233 INFO L225 Difference]: With dead ends: 22089 [2022-07-19 23:31:01,233 INFO L226 Difference]: Without dead ends: 13885 [2022-07-19 23:31:01,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:31:01,272 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 2466 mSDsluCounter, 3920 mSDsCounter, 0 mSdLazyCounter, 3069 mSolverCounterSat, 1780 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 4851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1780 IncrementalHoareTripleChecker+Valid, 3069 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:01,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 5530 Invalid, 4851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1780 Valid, 3069 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-07-19 23:31:01,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13885 states. [2022-07-19 23:31:01,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13885 to 11472. [2022-07-19 23:31:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 8339 states have (on average 1.337570452092577) internal successors, (11154), 8682 states have internal predecessors, (11154), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2306 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 17695 transitions. [2022-07-19 23:31:01,865 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 17695 transitions. Word has length 135 [2022-07-19 23:31:01,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:01,865 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 17695 transitions. [2022-07-19 23:31:01,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 23:31:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 17695 transitions. [2022-07-19 23:31:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-19 23:31:01,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:01,872 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-07-19 23:31:01,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 23:31:01,873 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2017702408, now seen corresponding path program 1 times [2022-07-19 23:31:01,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:01,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566677849] [2022-07-19 23:31:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:31:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:31:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:31:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:31:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:31:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:31:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:31:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:31:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:31:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:31:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-19 23:31:02,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:31:02,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566677849] [2022-07-19 23:31:02,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566677849] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:31:02,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898244800] [2022-07-19 23:31:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:31:02,300 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) [2022-07-19 23:31:02,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 23:31:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:03,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-19 23:31:03,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:31:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:31:03,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:31:03,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898244800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:31:03,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:31:03,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2022-07-19 23:31:03,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069368121] [2022-07-19 23:31:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:31:03,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:31:03,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:31:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:31:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2022-07-19 23:31:03,517 INFO L87 Difference]: Start difference. First operand 11472 states and 17695 transitions. Second operand has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 23:31:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:04,180 INFO L93 Difference]: Finished difference Result 22916 states and 35355 transitions. [2022-07-19 23:31:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 23:31:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 137 [2022-07-19 23:31:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:04,242 INFO L225 Difference]: With dead ends: 22916 [2022-07-19 23:31:04,243 INFO L226 Difference]: Without dead ends: 11486 [2022-07-19 23:31:04,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-07-19 23:31:04,288 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 435 mSDsluCounter, 6601 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 7792 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:04,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 7792 Invalid, 199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:31:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11486 states. [2022-07-19 23:31:04,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11486 to 11472. [2022-07-19 23:31:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 8339 states have (on average 1.337090778270776) internal successors, (11150), 8682 states have internal predecessors, (11150), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2306 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 17691 transitions. [2022-07-19 23:31:04,864 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 17691 transitions. Word has length 137 [2022-07-19 23:31:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:04,864 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 17691 transitions. [2022-07-19 23:31:04,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 23:31:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 17691 transitions. [2022-07-19 23:31:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-19 23:31:04,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:04,873 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-07-19 23:31:04,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-19 23:31:05,087 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,SelfDestructingSolverStorable11 [2022-07-19 23:31:05,088 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:05,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:05,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1438231226, now seen corresponding path program 1 times [2022-07-19 23:31:05,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:05,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574444698] [2022-07-19 23:31:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:05,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:31:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:31:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:31:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:31:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:31:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:31:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:31:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:31:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:31:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:31:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-19 23:31:05,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:31:05,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574444698] [2022-07-19 23:31:05,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574444698] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:31:05,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567556801] [2022-07-19 23:31:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:05,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:05,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:31:05,480 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) [2022-07-19 23:31:05,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 23:31:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:06,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-19 23:31:06,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:31:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-19 23:31:06,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:31:06,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567556801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:31:06,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:31:06,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-07-19 23:31:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611318056] [2022-07-19 23:31:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:31:06,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:31:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:31:06,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:31:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:31:06,328 INFO L87 Difference]: Start difference. First operand 11472 states and 17691 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 23:31:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:07,021 INFO L93 Difference]: Finished difference Result 22902 states and 35331 transitions. [2022-07-19 23:31:07,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:31:07,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 137 [2022-07-19 23:31:07,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:07,067 INFO L225 Difference]: With dead ends: 22902 [2022-07-19 23:31:07,068 INFO L226 Difference]: Without dead ends: 11472 [2022-07-19 23:31:07,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:31:07,106 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 446 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:07,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 5392 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:31:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11472 states. [2022-07-19 23:31:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11472 to 11472. [2022-07-19 23:31:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 8339 states have (on average 1.3366111044489748) internal successors, (11146), 8682 states have internal predecessors, (11146), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2306 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 17687 transitions. [2022-07-19 23:31:07,612 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 17687 transitions. Word has length 137 [2022-07-19 23:31:07,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:07,613 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 17687 transitions. [2022-07-19 23:31:07,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 23:31:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 17687 transitions. [2022-07-19 23:31:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-19 23:31:07,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:07,619 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-07-19 23:31:07,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:31:07,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:07,840 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash 162839880, now seen corresponding path program 1 times [2022-07-19 23:31:07,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:07,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905935083] [2022-07-19 23:31:07,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:07,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:31:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:31:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:31:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:31:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:31:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:31:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:31:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:31:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:31:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:31:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-19 23:31:08,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:31:08,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905935083] [2022-07-19 23:31:08,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905935083] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:31:08,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372575496] [2022-07-19 23:31:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:31:08,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:31:08,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 23:31:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 56 conjunts are in the unsatisfiable core [2022-07-19 23:31:10,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:31:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-19 23:31:10,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:31:10,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372575496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:31:10,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:31:10,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2022-07-19 23:31:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673365172] [2022-07-19 23:31:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:31:10,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:31:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:31:10,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:31:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:31:10,500 INFO L87 Difference]: Start difference. First operand 11472 states and 17687 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 23:31:12,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:12,250 INFO L93 Difference]: Finished difference Result 26073 states and 40497 transitions. [2022-07-19 23:31:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 23:31:12,251 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 137 [2022-07-19 23:31:12,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:12,327 INFO L225 Difference]: With dead ends: 26073 [2022-07-19 23:31:12,327 INFO L226 Difference]: Without dead ends: 14643 [2022-07-19 23:31:12,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-07-19 23:31:12,449 INFO L413 NwaCegarLoop]: 2315 mSDtfsCounter, 2548 mSDsluCounter, 20148 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2639 SdHoareTripleChecker+Valid, 22463 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:12,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2639 Valid, 22463 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 23:31:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14643 states. [2022-07-19 23:31:12,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14643 to 11460. [2022-07-19 23:31:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11460 states, 8327 states have (on average 1.3364957367599375) internal successors, (11129), 8671 states have internal predecessors, (11129), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2305 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11460 states to 11460 states and 17670 transitions. [2022-07-19 23:31:12,996 INFO L78 Accepts]: Start accepts. Automaton has 11460 states and 17670 transitions. Word has length 137 [2022-07-19 23:31:12,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:12,996 INFO L495 AbstractCegarLoop]: Abstraction has 11460 states and 17670 transitions. [2022-07-19 23:31:12,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 23:31:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 11460 states and 17670 transitions. [2022-07-19 23:31:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-19 23:31:13,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:13,006 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 23:31:13,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:31:13,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:13,220 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:13,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1052789049, now seen corresponding path program 1 times [2022-07-19 23:31:13,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:13,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107519707] [2022-07-19 23:31:13,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:13,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:31:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:31:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:31:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:31:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:31:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:31:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:31:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:31:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:31:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:31:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 23:31:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:31:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-07-19 23:31:13,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:31:13,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107519707] [2022-07-19 23:31:13,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107519707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:31:13,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:31:13,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:31:13,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764596198] [2022-07-19 23:31:13,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:31:13,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:31:13,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:31:13,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:31:13,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:31:13,571 INFO L87 Difference]: Start difference. First operand 11460 states and 17670 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 23:31:15,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:17,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:20,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:22,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:25,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:27,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:30,994 INFO L93 Difference]: Finished difference Result 29846 states and 46823 transitions. [2022-07-19 23:31:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 23:31:30,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 158 [2022-07-19 23:31:30,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:31,087 INFO L225 Difference]: With dead ends: 29846 [2022-07-19 23:31:31,087 INFO L226 Difference]: Without dead ends: 18428 [2022-07-19 23:31:31,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:31:31,130 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 1770 mSDsluCounter, 5150 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 890 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 6873 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 890 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:31,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 6873 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [890 Valid, 2486 Invalid, 6 Unknown, 0 Unchecked, 16.5s Time] [2022-07-19 23:31:31,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2022-07-19 23:31:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 11476. [2022-07-19 23:31:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11476 states, 8343 states have (on average 1.3358504135203164) internal successors, (11145), 8687 states have internal predecessors, (11145), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2305 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11476 states to 11476 states and 17686 transitions. [2022-07-19 23:31:31,828 INFO L78 Accepts]: Start accepts. Automaton has 11476 states and 17686 transitions. Word has length 158 [2022-07-19 23:31:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:31,828 INFO L495 AbstractCegarLoop]: Abstraction has 11476 states and 17686 transitions. [2022-07-19 23:31:31,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 23:31:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 11476 states and 17686 transitions. [2022-07-19 23:31:31,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-19 23:31:31,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:31,837 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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] [2022-07-19 23:31:31,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 23:31:31,838 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:31,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:31,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1339354368, now seen corresponding path program 1 times [2022-07-19 23:31:31,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:31,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349349260] [2022-07-19 23:31:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:31:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:31:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:31:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:31:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:31:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:31:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:31:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:31:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:31:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:31:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:31:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:31:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:31:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-19 23:31:32,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:31:32,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349349260] [2022-07-19 23:31:32,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349349260] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:31:32,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114936225] [2022-07-19 23:31:32,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:31:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:31:32,256 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:31:32,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 23:31:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:31:33,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 23:31:33,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:31:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:31:33,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:31:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-19 23:31:33,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114936225] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:31:33,602 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 23:31:33,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-07-19 23:31:33,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585038486] [2022-07-19 23:31:33,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 23:31:33,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 23:31:33,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:31:33,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 23:31:33,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-07-19 23:31:33,604 INFO L87 Difference]: Start difference. First operand 11476 states and 17686 transitions. Second operand has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:31:35,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:38,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:31:40,068 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 [] [2022-07-19 23:31:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:31:44,983 INFO L93 Difference]: Finished difference Result 24491 states and 37816 transitions. [2022-07-19 23:31:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 23:31:44,984 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 153 [2022-07-19 23:31:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:31:45,154 INFO L225 Difference]: With dead ends: 24491 [2022-07-19 23:31:45,154 INFO L226 Difference]: Without dead ends: 13021 [2022-07-19 23:31:45,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2022-07-19 23:31:45,175 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 928 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 957 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 3317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 957 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:31:45,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 5685 Invalid, 3317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [957 Valid, 2357 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-07-19 23:31:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13021 states. [2022-07-19 23:31:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13021 to 11487. [2022-07-19 23:31:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11487 states, 8354 states have (on average 1.3354081876945176) internal successors, (11156), 8698 states have internal predecessors, (11156), 2250 states have call successors, (2250), 556 states have call predecessors, (2250), 882 states have return successors, (4291), 2305 states have call predecessors, (4291), 2247 states have call successors, (4291) [2022-07-19 23:31:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11487 states to 11487 states and 17697 transitions. [2022-07-19 23:31:45,726 INFO L78 Accepts]: Start accepts. Automaton has 11487 states and 17697 transitions. Word has length 153 [2022-07-19 23:31:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:31:45,727 INFO L495 AbstractCegarLoop]: Abstraction has 11487 states and 17697 transitions. [2022-07-19 23:31:45,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:31:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 11487 states and 17697 transitions. [2022-07-19 23:31:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-19 23:31:45,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:31:45,736 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 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] [2022-07-19 23:31:45,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:31:45,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-19 23:31:45,952 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:31:45,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:31:45,952 INFO L85 PathProgramCache]: Analyzing trace with hash 436590142, now seen corresponding path program 2 times [2022-07-19 23:31:45,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:31:45,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832337400] [2022-07-19 23:31:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:31:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:31:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:31:46,288 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 23:31:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:31:46,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 23:31:46,658 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 23:31:46,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:31:46,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 23:31:46,663 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:31:46,667 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 23:31:46,708 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-19 23:31:46,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:31:46 BoogieIcfgContainer [2022-07-19 23:31:46,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 23:31:46,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 23:31:46,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 23:31:46,908 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 23:31:46,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:16" (3/4) ... [2022-07-19 23:31:46,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 23:31:46,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 23:31:46,912 INFO L158 Benchmark]: Toolchain (without parser) took 157131.38ms. Allocated memory was 98.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 63.1MB in the beginning and 415.6MB in the end (delta: -352.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-19 23:31:46,912 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:31:46,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1754.78ms. Allocated memory was 98.6MB in the beginning and 163.6MB in the end (delta: 65.0MB). Free memory was 63.1MB in the beginning and 85.6MB in the end (delta: -22.5MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-07-19 23:31:46,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.70ms. Allocated memory is still 163.6MB. Free memory was 85.6MB in the beginning and 68.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 23:31:46,913 INFO L158 Benchmark]: Boogie Preprocessor took 179.91ms. Allocated memory is still 163.6MB. Free memory was 68.3MB in the beginning and 84.0MB in the end (delta: -15.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-07-19 23:31:46,916 INFO L158 Benchmark]: RCFGBuilder took 4905.93ms. Allocated memory was 163.6MB in the beginning and 314.6MB in the end (delta: 151.0MB). Free memory was 84.0MB in the beginning and 226.5MB in the end (delta: -142.5MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2022-07-19 23:31:46,918 INFO L158 Benchmark]: TraceAbstraction took 150092.58ms. Allocated memory was 314.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 226.5MB in the beginning and 415.6MB in the end (delta: -189.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-19 23:31:46,918 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 1.7GB. Free memory is still 415.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:31:46,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1754.78ms. Allocated memory was 98.6MB in the beginning and 163.6MB in the end (delta: 65.0MB). Free memory was 63.1MB in the beginning and 85.6MB in the end (delta: -22.5MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.70ms. Allocated memory is still 163.6MB. Free memory was 85.6MB in the beginning and 68.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.91ms. Allocated memory is still 163.6MB. Free memory was 68.3MB in the beginning and 84.0MB in the end (delta: -15.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4905.93ms. Allocated memory was 163.6MB in the beginning and 314.6MB in the end (delta: 151.0MB). Free memory was 84.0MB in the beginning and 226.5MB in the end (delta: -142.5MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. * TraceAbstraction took 150092.58ms. Allocated memory was 314.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 226.5MB in the beginning and 415.6MB in the end (delta: -189.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 1.7GB. Free memory is still 415.6MB. 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) * 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: 7054]: 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 8527. Possible FailurePath: [L7077] int LDV_IN_INTERRUPT = 1; [L7078] struct usb_interface *mwifiex_usb_driver_group1 ; [L7079] int ldv_state_variable_2 ; [L7080] int ref_cnt ; [L7081] struct mwifiex_adapter *usb_ops_group0 ; [L7082] int ldv_state_variable_1 ; [L7083] int usb_counter ; [L7084] struct sk_buff *usb_ops_group1 ; [L7085] int ldv_state_variable_0 ; [L7166-L7168] static char const usbdriver_name[8U] = { 'u', 's', 'b', '8', '7', '9', '7', '\000'}; [L7170] static struct semaphore add_remove_card_sem ; [L7171] static struct usb_card_rec *usb_card ; [L7172-L7176] static struct usb_device_id mwifiex_usb_table[3U] = { {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}}; [L7177] struct usb_device_id const __mod_usb_device_table ; [L8001-L8007] static struct usb_driver mwifiex_usb_driver = {(char const *)(& usbdriver_name), & 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, 1U, (unsigned char)0, (unsigned char)0}; [L8502-L8506] 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}; [L8586] int ldv_retval_0 ; [L8587] int ldv_retval_4 ; [L8588] int ldv_retval_1 ; [L8592] int ldv_retval_3 ; [L8593] int ldv_retval_2 ; [L8989] int INTERF_STATE = 0; [L8990] int SERIAL_STATE = 0; [L8991] void *usb_intfdata = 0; [L8992] struct urb *usb_urb = 0; [L8993] struct usb_device *usb_dev = 0; [L8994] int dev_counter = 0; [L8995] int completeFnIntCounter = 0; [L8996] int completeFnBulkCounter = 0; [L8997] void (*completeFnInt)(struct urb * ) ; [L8998] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8617] u8 ldvarg1 ; [L8618] u8 tmp ; [L8619] struct mwifiex_tx_param *ldvarg0 ; [L8620] void *tmp___0 ; [L8621] struct mwifiex_fw_image *ldvarg2 ; [L8622] void *tmp___1 ; [L8623] struct usb_device_id *ldvarg4 ; [L8624] void *tmp___2 ; [L8625] pm_message_t ldvarg3 ; [L8626] int tmp___3 ; [L8627] int tmp___4 ; [L8628] int tmp___5 ; [L8629] int tmp___6 ; [L8631] tmp = __VERIFIER_nondet_u8() [L8632] ldvarg1 = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] CALL, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=4, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=4, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] RET, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] tmp___0 = ldv_zalloc(4UL) [L8634] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] tmp___1 = ldv_zalloc(32UL) [L8636] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] tmp___2 = ldv_zalloc(32UL) [L8638] ldvarg4 = (struct usb_device_id *)tmp___2 [L8639] FCALL ldv_initialize() [L8640] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8641] ldv_state_variable_1 = 0 [L8642] ref_cnt = 0 [L8643] ldv_state_variable_0 = 1 [L8644] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: [L8734] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8735] COND TRUE ldv_state_variable_0 == 1 [L8736] CALL, EXPR mwifiex_usb_init_module() [L8509] int ret ; [L8510] struct _ddebug descriptor ; [L8511] long tmp ; [L8512] struct _ddebug descriptor___0 ; [L8513] long tmp___0 ; [L8515] descriptor.modname = "mwifiex_usb" [L8516] descriptor.function = "mwifiex_usb_init_module" [L8517] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8518] descriptor.format = "Marvell USB8797 Driver\n" [L8519] descriptor.lineno = 1030U [L8520] descriptor.flags = 0U [L8521] EXPR descriptor.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor.flags=0, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor.flags=0, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8522] COND FALSE !(tmp != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8526] CALL sema_init(& add_remove_card_sem, 1) [L6892] struct lock_class_key __key ; [L6893] struct semaphore __constr_expr_0 ; [L6895] __constr_expr_0.lock.raw_lock.ldv_2243.head_tail = 0U [L6896] __constr_expr_0.lock.magic = 3735899821U [L6897] __constr_expr_0.lock.owner_cpu = 4294967295U [L6898] __constr_expr_0.lock.owner = (void *)-1 [L6899] __constr_expr_0.lock.dep_map.key = 0 [L6900] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L6901] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L6902] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L6903] __constr_expr_0.lock.dep_map.cpu = 0 [L6904] __constr_expr_0.lock.dep_map.ip = 0UL [L6905] __constr_expr_0.count = (unsigned int )val [L6906] __constr_expr_0.wait_list.next = & sem->wait_list [L6907] __constr_expr_0.wait_list.prev = & sem->wait_list [L6908] *sem = __constr_expr_0 [L6909] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L6910] return; [L6910] return; VAL [={0:0}, ={0:0}, \old(val)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, sem={161:0}, sem={161:0}, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, val=1] [L8526] RET sema_init(& add_remove_card_sem, 1) [L8527] CALL, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8961] ldv_func_ret_type ldv_func_res ; [L8962] int tmp ; [L8964] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9357] return __VERIFIER_nondet_int(); [L8964] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8964] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8965] ldv_func_res = tmp [L8966] ldv_state_variable_2 = 1 [L8967] usb_counter = 0 [L8968] CALL ldv_usb_driver_2() [L8596] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1520UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] tmp = ldv_zalloc(1520UL) [L8599] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8968] RET ldv_usb_driver_2() [L8969] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={163:0}, ldv_func_arg1={163:0}, ldv_func_arg2={4294967313:4294967299}, ldv_func_arg2={4294967313:4294967299}, ldv_func_arg3={153:0}, ldv_func_arg3={153:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8527] RET, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8527] ret = ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8528] COND FALSE !(ret != 0) [L8531] descriptor___0.modname = "mwifiex_usb" [L8532] descriptor___0.function = "mwifiex_usb_init_module" [L8533] descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8534] descriptor___0.format = "info: Driver registered successfully!\n" [L8535] descriptor___0.lineno = 1038U [L8536] descriptor___0.flags = 0U [L8537] EXPR descriptor___0.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8538] COND FALSE !(tmp___0 != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8543] return (ret); [L8543] return (ret); [L8543] return (ret); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8736] RET, EXPR mwifiex_usb_init_module() [L8736] ldv_retval_0 = mwifiex_usb_init_module() [L8737] COND TRUE ldv_retval_0 == 0 [L8738] ldv_state_variable_0 = 3 [L8739] ldv_state_variable_1 = 1 [L8740] CALL ldv_initialize_mwifiex_if_ops_1() [L8605] void *tmp ; [L8606] void *tmp___0 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] CALL, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=5920, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=5920, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] RET, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(5920UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] tmp = ldv_zalloc(5920UL) [L8609] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] CALL, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=240, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=240, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] RET, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(240UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] tmp___0 = ldv_zalloc(240UL) [L8611] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8740] RET ldv_initialize_mwifiex_if_ops_1() [L8743] COND FALSE !(ldv_retval_0 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8649] COND TRUE ldv_state_variable_1 != 0 [L8650] tmp___4 = __VERIFIER_nondet_int() [L8652] case 0: [L8659] case 1: [L8666] case 2: [L8673] case 3: [L8680] case 4: [L8687] case 5: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8688] COND TRUE ldv_state_variable_1 == 1 [L8689] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8435] int ret ; [L8436] struct usb_card_rec *card ; [L8438] EXPR adapter->card [L8438] card = (struct usb_card_rec *)adapter->card [L8439] EXPR card->usb_boot_state VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, card->usb_boot_state=171, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8439] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8451] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8045] struct usb_card_rec *card ; [L8046] int i ; [L8047] int tmp ; [L8048] int tmp___0 ; [L8050] EXPR adapter->card [L8050] card = (struct usb_card_rec *)adapter->card [L8051] card->rx_cmd.adapter = adapter [L8052] EXPR card->rx_cmd_ep [L8052] card->rx_cmd.ep = card->rx_cmd_ep [L8053] CALL, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8936] struct urb *tmp ; VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8938] CALL, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9021] struct urb *value ; [L9022] void *tmp ; [L9023] int tmp___0 ; VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND FALSE !(tmp___0 != 0) [L7010] tmp = malloc(size) [L7011] p = tmp VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L6998] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7013] return (p); VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)=0, \old(usb_urb)=0, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] tmp = ldv_malloc(sizeof(struct urb)) [L9026] value = tmp VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9027] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7036] int tmp ; [L7038] tmp = __VERIFIER_nondet_int() [L7039] return (tmp); VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, \result=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9027] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_undef_int()=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9027] tmp___0 = ldv_undef_int() [L9028] COND TRUE \read(tmp___0) VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9029] COND TRUE (unsigned long )value != (unsigned long )((struct urb *)0) [L9030] usb_urb = value VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9035] return (usb_urb); VAL [={0:0}, ={0:0}, \old(usb_urb)=0, \old(usb_urb)=0, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L8938] RET, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, ldv_alloc_urb()={-18446744073709551617:0}, 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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8938] tmp = ldv_alloc_urb() [L8939] return (tmp); VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8053] RET, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8053] card->rx_cmd.urb = ldv_usb_alloc_urb_17(0, 208U) [L8054] EXPR card->rx_cmd.urb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, card->rx_cmd.urb={-18446744073709551617:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8054] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8059] CALL, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7104] struct sk_buff *tmp ; [L7106] CALL, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7096] struct sk_buff *tmp ; [L7098] CALL, EXPR __netdev_alloc_skb(dev, length, 32U) [L9240] CALL, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(size)=253, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND TRUE tmp___0 != 0 [L7008] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=253, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=253, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9240] RET, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct sk_buff))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9240] struct sk_buff *skb = ldv_malloc(sizeof(struct sk_buff)); [L9241] COND FALSE !(\read(*skb)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9247] return skb; VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7098] RET, EXPR __netdev_alloc_skb(dev, length, 32U) [L7098] tmp = __netdev_alloc_skb(dev, length, 32U) [L7099] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:0}, dev={0:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7106] RET, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7106] tmp = netdev_alloc_skb((struct net_device *)0, length) [L7107] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8059] RET, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_alloc_skb(2048U)={0:0}, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8059] card->rx_cmd.skb = dev_alloc_skb(2048U) [L8060] EXPR card->rx_cmd.skb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, card->rx_cmd.skb={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8060] COND TRUE (unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0) [L8061] adapter->dev [L8062] return (-12); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8451] RET, EXPR mwifiex_usb_rx_init(adapter) [L8451] ret = mwifiex_usb_rx_init(adapter) [L8452] COND FALSE !(ret == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8456] return (ret); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967304:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8689] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8690] ldv_state_variable_1 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8727] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8728] CALL mwifiex_usb_cleanup_module() [L8548] int tmp ; [L8549] struct mwifiex_adapter *adapter ; [L8550] int i ; [L8551] struct mwifiex_private *tmp___0 ; [L8553] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9262] return __VERIFIER_nondet_int(); [L8553] RET, EXPR down_interruptible(& add_remove_card_sem) [L8553] tmp = down_interruptible(& add_remove_card_sem) [L8554] COND FALSE !(tmp == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8558] COND FALSE !((unsigned long )usb_card != (unsigned long )((struct usb_card_rec *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8582] CALL ldv_usb_deregister_23(& mwifiex_usb_driver) [L8975] FCALL usb_deregister(arg) [L8976] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, arg={163:0}, arg={163:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8582] RET ldv_usb_deregister_23(& mwifiex_usb_driver) [L8728] RET mwifiex_usb_cleanup_module() [L8729] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8830] CALL ldv_check_final_state() [L9208] COND FALSE !((unsigned long )usb_urb == (unsigned long )((struct urb *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9210] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7054] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967313:4294967299}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=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_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 857 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 149.8s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 127.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 24885 SdHoareTripleChecker+Valid, 117.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23287 mSDsluCounter, 90666 SdHoareTripleChecker+Invalid, 111.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68968 mSDsCounter, 12313 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22686 IncrementalHoareTripleChecker+Invalid, 35035 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12313 mSolverCounterUnsat, 21698 mSDtfsCounter, 22686 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1318 GetRequests, 1137 SyntacticMatches, 1 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12466occurred in iteration=9, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 22542 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2550 NumberOfCodeBlocks, 2550 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2525 ConstructedInterpolants, 0 QuantifiedInterpolants, 4867 SizeOfPredicates, 41 NumberOfNonLiveVariables, 11427 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 22 InterpolantComputations, 15 PerfectInterpolantSequences, 1228/1235 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 [2022-07-19 23:31:47,144 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-19 23:31:47,158 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 137 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-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 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:31:49,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:31:49,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:31:49,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:31:49,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:31:49,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:31:49,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:31:49,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:31:49,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:31:49,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:31:49,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:31:49,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:31:49,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:31:49,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:31:49,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:31:49,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:31:49,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:31:49,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:31:49,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:31:49,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:31:49,092 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:31:49,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:31:49,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:31:49,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:31:49,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:31:49,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:31:49,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:31:49,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:31:49,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:31:49,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:31:49,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:31:49,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:31:49,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:31:49,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:31:49,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:31:49,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:31:49,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:31:49,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:31:49,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:31:49,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:31:49,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:31:49,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:31:49,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:31:49,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:31:49,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:31:49,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:31:49,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:31:49,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:31:49,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:31:49,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:31:49,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:31:49,149 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:31:49,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:31:49,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:31:49,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:31:49,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:31:49,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:31:49,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:31:49,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:31:49,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:31:49,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:31:49,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:31:49,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:31:49,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:31:49,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:31:49,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:31:49,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:31:49,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:31:49,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:31:49,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:31:49,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:31:49,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:31:49,160 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:31:49,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:31:49,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:31:49,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:31:49,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 [2022-07-19 23:31:49,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:31:49,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:31:49,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:31:49,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:31:49,470 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:31:49,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:31:49,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5c33031/a8558147544f484bb27d5fb36bd84009/FLAGa3587174f [2022-07-19 23:31:50,279 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:31:50,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:31:50,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5c33031/a8558147544f484bb27d5fb36bd84009/FLAGa3587174f [2022-07-19 23:31:50,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5c33031/a8558147544f484bb27d5fb36bd84009 [2022-07-19 23:31:50,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:31:50,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:31:50,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:31:50,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:31:50,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:31:50,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:31:50" (1/1) ... [2022-07-19 23:31:50,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755f6624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:50, skipping insertion in model container [2022-07-19 23:31:50,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:31:50" (1/1) ... [2022-07-19 23:31:50,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:31:50,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:31:51,355 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-07-19 23:31:51,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:31:51,843 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:31:51,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:31:52,091 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-07-19 23:31:52,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:31:52,238 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:31:52,363 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-07-19 23:31:52,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:31:52,679 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:31:52,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52 WrapperNode [2022-07-19 23:31:52,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:31:52,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:31:52,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:31:52,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:31:52,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:52,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:52,868 INFO L137 Inliner]: procedures = 178, calls = 1186, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 2976 [2022-07-19 23:31:52,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:31:52,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:31:52,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:31:52,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:31:52,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:52,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:52,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:52,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:53,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:53,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:53,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:53,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:31:53,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:31:53,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:31:53,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:31:53,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (1/1) ... [2022-07-19 23:31:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:31:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:31:53,117 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) [2022-07-19 23:31:53,144 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 [2022-07-19 23:31:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-19 23:31:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-19 23:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2022-07-19 23:31:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2022-07-19 23:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2022-07-19 23:31:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2022-07-19 23:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:31:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-19 23:31:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-19 23:31:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2022-07-19 23:31:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2022-07-19 23:31:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:31:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:31:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:31:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:31:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:31:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-07-19 23:31:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-07-19 23:31:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:31:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:31:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-19 23:31:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-19 23:31:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-19 23:31:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-19 23:31:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-19 23:31:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-19 23:31:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:31:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-07-19 23:31:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-07-19 23:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-19 23:31:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-19 23:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:31:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-19 23:31:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-19 23:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-19 23:31:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-19 23:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-07-19 23:31:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-07-19 23:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-07-19 23:31:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-07-19 23:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:31:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:31:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2022-07-19 23:31:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2022-07-19 23:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-19 23:31:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-19 23:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-19 23:31:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-19 23:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:31:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:31:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:31:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:31:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-19 23:31:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-19 23:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-19 23:31:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-19 23:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:31:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-19 23:31:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-19 23:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:31:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-07-19 23:31:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-07-19 23:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-07-19 23:31:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-07-19 23:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:31:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-19 23:31:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-19 23:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2022-07-19 23:31:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2022-07-19 23:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:31:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-19 23:31:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-19 23:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-07-19 23:31:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-07-19 23:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-19 23:31:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-19 23:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-19 23:31:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-19 23:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-19 23:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:31:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:31:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-19 23:31:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-19 23:31:53,760 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:31:53,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:31:54,526 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:32:01,138 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-19 23:32:12,290 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:32:12,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:32:12,303 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 23:32:12,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:32:12 BoogieIcfgContainer [2022-07-19 23:32:12,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:32:12,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:32:12,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:32:12,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:32:12,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:31:50" (1/3) ... [2022-07-19 23:32:12,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b5d859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:32:12, skipping insertion in model container [2022-07-19 23:32:12,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:31:52" (2/3) ... [2022-07-19 23:32:12,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b5d859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:32:12, skipping insertion in model container [2022-07-19 23:32:12,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:32:12" (3/3) ... [2022-07-19 23:32:12,314 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-07-19 23:32:12,327 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:32:12,327 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:32:12,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:32:12,412 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@7510b4e5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2133b3c0 [2022-07-19 23:32:12,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:32:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 855 states, 631 states have (on average 1.3851030110935023) internal successors, (874), 657 states have internal predecessors, (874), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) [2022-07-19 23:32:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-19 23:32:12,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:12,448 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] [2022-07-19 23:32:12,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:12,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash -967497407, now seen corresponding path program 1 times [2022-07-19 23:32:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:12,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472951930] [2022-07-19 23:32:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:12,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:12,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:12,477 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) [2022-07-19 23:32:12,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:32:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:13,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:32:13,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 23:32:13,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:13,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:13,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472951930] [2022-07-19 23:32:13,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472951930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:13,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:13,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:32:13,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524076615] [2022-07-19 23:32:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:13,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:32:13,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:13,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:32:13,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:32:13,333 INFO L87 Difference]: Start difference. First operand has 855 states, 631 states have (on average 1.3851030110935023) internal successors, (874), 657 states have internal predecessors, (874), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-07-19 23:32:13,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:13,591 INFO L93 Difference]: Finished difference Result 1708 states and 2504 transitions. [2022-07-19 23:32:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:32:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 44 [2022-07-19 23:32:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:13,613 INFO L225 Difference]: With dead ends: 1708 [2022-07-19 23:32:13,614 INFO L226 Difference]: Without dead ends: 842 [2022-07-19 23:32:13,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:32:13,633 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 2 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3648 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 [2022-07-19 23:32:13,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3648 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:32:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2022-07-19 23:32:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2022-07-19 23:32:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 626 states have (on average 1.3722044728434504) internal successors, (859), 644 states have internal predecessors, (859), 174 states have call successors, (174), 42 states have call predecessors, (174), 41 states have return successors, (169), 161 states have call predecessors, (169), 169 states have call successors, (169) [2022-07-19 23:32:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1202 transitions. [2022-07-19 23:32:13,765 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1202 transitions. Word has length 44 [2022-07-19 23:32:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:13,768 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1202 transitions. [2022-07-19 23:32:13,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-07-19 23:32:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1202 transitions. [2022-07-19 23:32:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-19 23:32:13,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:13,774 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] [2022-07-19 23:32:13,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:13,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:13,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:13,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:13,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1457155709, now seen corresponding path program 1 times [2022-07-19 23:32:13,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:13,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500574293] [2022-07-19 23:32:13,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:13,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:13,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:13,995 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) [2022-07-19 23:32:14,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:32:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:14,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:32:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 23:32:14,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:32:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 23:32:15,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:15,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500574293] [2022-07-19 23:32:15,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500574293] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:32:15,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:32:15,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-19 23:32:15,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745087071] [2022-07-19 23:32:15,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:32:15,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:32:15,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:32:15,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:32:15,243 INFO L87 Difference]: Start difference. First operand 842 states and 1202 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2022-07-19 23:32:15,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:15,905 INFO L93 Difference]: Finished difference Result 1685 states and 2407 transitions. [2022-07-19 23:32:15,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 23:32:15,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 45 [2022-07-19 23:32:15,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:15,914 INFO L225 Difference]: With dead ends: 1685 [2022-07-19 23:32:15,915 INFO L226 Difference]: Without dead ends: 851 [2022-07-19 23:32:15,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:32:15,920 INFO L413 NwaCegarLoop]: 1199 mSDtfsCounter, 9 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4791 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 [2022-07-19 23:32:15,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4791 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 23:32:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2022-07-19 23:32:15,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2022-07-19 23:32:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 634 states have (on average 1.3722397476340693) internal successors, (870), 652 states have internal predecessors, (870), 174 states have call successors, (174), 43 states have call predecessors, (174), 42 states have return successors, (169), 161 states have call predecessors, (169), 169 states have call successors, (169) [2022-07-19 23:32:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1213 transitions. [2022-07-19 23:32:15,971 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1213 transitions. Word has length 45 [2022-07-19 23:32:15,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:15,971 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1213 transitions. [2022-07-19 23:32:15,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2022-07-19 23:32:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1213 transitions. [2022-07-19 23:32:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-19 23:32:15,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:15,976 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] [2022-07-19 23:32:15,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:16,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:16,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:16,194 INFO L85 PathProgramCache]: Analyzing trace with hash 726542785, now seen corresponding path program 2 times [2022-07-19 23:32:16,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:16,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885763025] [2022-07-19 23:32:16,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:32:16,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:16,197 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) [2022-07-19 23:32:16,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:32:16,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:32:16,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:32:16,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:32:16,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 23:32:16,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:16,829 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:16,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885763025] [2022-07-19 23:32:16,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885763025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:16,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:16,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:32:16,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579037111] [2022-07-19 23:32:16,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:16,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:16,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:16,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:16,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:16,831 INFO L87 Difference]: Start difference. First operand 851 states and 1213 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-07-19 23:32:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:17,384 INFO L93 Difference]: Finished difference Result 2456 states and 3510 transitions. [2022-07-19 23:32:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 48 [2022-07-19 23:32:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:17,394 INFO L225 Difference]: With dead ends: 2456 [2022-07-19 23:32:17,395 INFO L226 Difference]: Without dead ends: 1624 [2022-07-19 23:32:17,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:17,400 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 1122 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:17,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 2553 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:32:17,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-07-19 23:32:17,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1624. [2022-07-19 23:32:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1208 states have (on average 1.3741721854304636) internal successors, (1660), 1240 states have internal predecessors, (1660), 332 states have call successors, (332), 84 states have call predecessors, (332), 83 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-07-19 23:32:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2319 transitions. [2022-07-19 23:32:17,471 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2319 transitions. Word has length 48 [2022-07-19 23:32:17,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:17,471 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2319 transitions. [2022-07-19 23:32:17,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-07-19 23:32:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2319 transitions. [2022-07-19 23:32:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-19 23:32:17,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:17,474 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] [2022-07-19 23:32:17,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:17,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:17,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:17,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:17,692 INFO L85 PathProgramCache]: Analyzing trace with hash 11952355, now seen corresponding path program 1 times [2022-07-19 23:32:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:17,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587362134] [2022-07-19 23:32:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:17,694 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) [2022-07-19 23:32:17,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:32:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:18,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 23:32:18,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 23:32:18,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:18,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:18,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587362134] [2022-07-19 23:32:18,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587362134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:18,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:18,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:32:18,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673941340] [2022-07-19 23:32:18,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:18,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:32:18,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:18,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:32:18,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:32:18,798 INFO L87 Difference]: Start difference. First operand 1624 states and 2319 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-07-19 23:32:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:20,913 INFO L93 Difference]: Finished difference Result 3576 states and 5163 transitions. [2022-07-19 23:32:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:32:20,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 65 [2022-07-19 23:32:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:20,926 INFO L225 Difference]: With dead ends: 3576 [2022-07-19 23:32:20,926 INFO L226 Difference]: Without dead ends: 1971 [2022-07-19 23:32:20,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:32:20,935 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 451 mSDsluCounter, 6103 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 7758 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:20,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 7758 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 23:32:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2022-07-19 23:32:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1624. [2022-07-19 23:32:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1208 states have (on average 1.3733443708609272) internal successors, (1659), 1240 states have internal predecessors, (1659), 332 states have call successors, (332), 84 states have call predecessors, (332), 83 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-07-19 23:32:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2318 transitions. [2022-07-19 23:32:21,008 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2318 transitions. Word has length 65 [2022-07-19 23:32:21,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:21,009 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2318 transitions. [2022-07-19 23:32:21,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-07-19 23:32:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2318 transitions. [2022-07-19 23:32:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-19 23:32:21,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:21,012 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] [2022-07-19 23:32:21,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:21,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:21,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash 230807073, now seen corresponding path program 1 times [2022-07-19 23:32:21,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:21,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057621410] [2022-07-19 23:32:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:21,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:21,236 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) [2022-07-19 23:32:21,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:32:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:22,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:32:22,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:32:23,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:23,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:23,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057621410] [2022-07-19 23:32:23,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057621410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:23,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:23,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:32:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142882743] [2022-07-19 23:32:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:23,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:23,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:23,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:23,893 INFO L87 Difference]: Start difference. First operand 1624 states and 2318 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:24,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:24,134 INFO L93 Difference]: Finished difference Result 4833 states and 7038 transitions. [2022-07-19 23:32:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:24,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 65 [2022-07-19 23:32:24,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:24,156 INFO L225 Difference]: With dead ends: 4833 [2022-07-19 23:32:24,156 INFO L226 Difference]: Without dead ends: 3228 [2022-07-19 23:32:24,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:24,166 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 1169 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:24,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 2655 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:32:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2022-07-19 23:32:24,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 3218. [2022-07-19 23:32:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 2397 states have (on average 1.3725490196078431) internal successors, (3290), 2457 states have internal predecessors, (3290), 655 states have call successors, (655), 166 states have call predecessors, (655), 165 states have return successors, (703), 618 states have call predecessors, (703), 650 states have call successors, (703) [2022-07-19 23:32:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 4648 transitions. [2022-07-19 23:32:24,332 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 4648 transitions. Word has length 65 [2022-07-19 23:32:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:24,334 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 4648 transitions. [2022-07-19 23:32:24,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 4648 transitions. [2022-07-19 23:32:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-19 23:32:24,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:24,338 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] [2022-07-19 23:32:24,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:24,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:24,552 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1435282055, now seen corresponding path program 1 times [2022-07-19 23:32:24,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:24,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053686391] [2022-07-19 23:32:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:24,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:24,556 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) [2022-07-19 23:32:24,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:32:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:25,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:32:25,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:32:26,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:26,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:26,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053686391] [2022-07-19 23:32:26,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053686391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:26,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:26,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:32:26,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314470031] [2022-07-19 23:32:26,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:26,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:26,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:26,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:26,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:26,925 INFO L87 Difference]: Start difference. First operand 3218 states and 4648 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:27,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:27,290 INFO L93 Difference]: Finished difference Result 9607 states and 14192 transitions. [2022-07-19 23:32:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 66 [2022-07-19 23:32:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:27,334 INFO L225 Difference]: With dead ends: 9607 [2022-07-19 23:32:27,335 INFO L226 Difference]: Without dead ends: 6408 [2022-07-19 23:32:27,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:27,412 INFO L413 NwaCegarLoop]: 1383 mSDtfsCounter, 1159 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:27,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 2557 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:32:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2022-07-19 23:32:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 6399. [2022-07-19 23:32:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6399 states, 4768 states have (on average 1.36996644295302) internal successors, (6532), 4884 states have internal predecessors, (6532), 1301 states have call successors, (1301), 330 states have call predecessors, (1301), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-07-19 23:32:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 9346 transitions. [2022-07-19 23:32:27,655 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 9346 transitions. Word has length 66 [2022-07-19 23:32:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:27,655 INFO L495 AbstractCegarLoop]: Abstraction has 6399 states and 9346 transitions. [2022-07-19 23:32:27,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 9346 transitions. [2022-07-19 23:32:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 23:32:27,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:27,658 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] [2022-07-19 23:32:27,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:27,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:27,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:27,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1544432604, now seen corresponding path program 1 times [2022-07-19 23:32:27,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:27,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238283660] [2022-07-19 23:32:27,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:27,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:27,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:27,878 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) [2022-07-19 23:32:27,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:32:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:28,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:32:28,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:32:29,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:29,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:29,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238283660] [2022-07-19 23:32:29,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238283660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:29,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:29,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:32:29,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608178482] [2022-07-19 23:32:29,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:29,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:29,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:29,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:29,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:29,565 INFO L87 Difference]: Start difference. First operand 6399 states and 9346 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:29,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:29,792 INFO L93 Difference]: Finished difference Result 6406 states and 9352 transitions. [2022-07-19 23:32:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:29,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 67 [2022-07-19 23:32:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:29,833 INFO L225 Difference]: With dead ends: 6406 [2022-07-19 23:32:29,834 INFO L226 Difference]: Without dead ends: 6403 [2022-07-19 23:32:29,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:29,841 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 1156 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:29,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2558 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:32:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6403 states. [2022-07-19 23:32:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6403 to 6400. [2022-07-19 23:32:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6400 states, 4769 states have (on average 1.3698888655902706) internal successors, (6533), 4885 states have internal predecessors, (6533), 1301 states have call successors, (1301), 330 states have call predecessors, (1301), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-07-19 23:32:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6400 states to 6400 states and 9347 transitions. [2022-07-19 23:32:30,115 INFO L78 Accepts]: Start accepts. Automaton has 6400 states and 9347 transitions. Word has length 67 [2022-07-19 23:32:30,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:30,115 INFO L495 AbstractCegarLoop]: Abstraction has 6400 states and 9347 transitions. [2022-07-19 23:32:30,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6400 states and 9347 transitions. [2022-07-19 23:32:30,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-19 23:32:30,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:30,118 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, 1] [2022-07-19 23:32:30,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:30,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:30,340 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:30,340 INFO L85 PathProgramCache]: Analyzing trace with hash -633127460, now seen corresponding path program 1 times [2022-07-19 23:32:30,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:30,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670047310] [2022-07-19 23:32:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:30,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:30,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:30,343 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) [2022-07-19 23:32:30,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 23:32:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:31,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:32:31,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:32:32,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:32,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:32,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670047310] [2022-07-19 23:32:32,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670047310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:32,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:32,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:32:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908462433] [2022-07-19 23:32:32,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:32,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:32,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:32,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:32,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:32,088 INFO L87 Difference]: Start difference. First operand 6400 states and 9347 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:32,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:32,205 INFO L93 Difference]: Finished difference Result 6402 states and 9348 transitions. [2022-07-19 23:32:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:32,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2022-07-19 23:32:32,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:32,256 INFO L225 Difference]: With dead ends: 6402 [2022-07-19 23:32:32,256 INFO L226 Difference]: Without dead ends: 6399 [2022-07-19 23:32:32,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:32,263 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 1145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:32,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1197 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 23:32:32,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2022-07-19 23:32:32,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 6399. [2022-07-19 23:32:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6399 states, 4769 states have (on average 1.369679178024743) internal successors, (6532), 4884 states have internal predecessors, (6532), 1300 states have call successors, (1300), 330 states have call predecessors, (1300), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-07-19 23:32:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 9345 transitions. [2022-07-19 23:32:32,507 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 9345 transitions. Word has length 68 [2022-07-19 23:32:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:32,508 INFO L495 AbstractCegarLoop]: Abstraction has 6399 states and 9345 transitions. [2022-07-19 23:32:32,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 9345 transitions. [2022-07-19 23:32:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-19 23:32:32,512 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:32,512 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, 1, 1] [2022-07-19 23:32:32,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:32,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:32,731 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:32,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1847533095, now seen corresponding path program 1 times [2022-07-19 23:32:32,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:32,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243683074] [2022-07-19 23:32:32,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:32,735 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) [2022-07-19 23:32:32,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 23:32:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:33,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:32:33,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 23:32:34,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:34,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:34,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243683074] [2022-07-19 23:32:34,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243683074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:34,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:34,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:32:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487687838] [2022-07-19 23:32:34,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:34,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:34,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:34,451 INFO L87 Difference]: Start difference. First operand 6399 states and 9345 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:34,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:34,568 INFO L93 Difference]: Finished difference Result 6401 states and 9346 transitions. [2022-07-19 23:32:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:34,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 69 [2022-07-19 23:32:34,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:34,598 INFO L225 Difference]: With dead ends: 6401 [2022-07-19 23:32:34,598 INFO L226 Difference]: Without dead ends: 6369 [2022-07-19 23:32:34,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:34,606 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 1142 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:34,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 23:32:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6369 states. [2022-07-19 23:32:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6369 to 6369. [2022-07-19 23:32:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 4742 states have (on average 1.3694643610291017) internal successors, (6494), 4856 states have internal predecessors, (6494), 1297 states have call successors, (1297), 330 states have call predecessors, (1297), 329 states have return successors, (1508), 1230 states have call predecessors, (1508), 1294 states have call successors, (1508) [2022-07-19 23:32:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 9299 transitions. [2022-07-19 23:32:34,899 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 9299 transitions. Word has length 69 [2022-07-19 23:32:34,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:34,900 INFO L495 AbstractCegarLoop]: Abstraction has 6369 states and 9299 transitions. [2022-07-19 23:32:34,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 23:32:34,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 9299 transitions. [2022-07-19 23:32:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 23:32:34,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:34,909 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-19 23:32:34,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:35,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:35,125 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:35,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:35,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1553347695, now seen corresponding path program 1 times [2022-07-19 23:32:35,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:35,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730077427] [2022-07-19 23:32:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:35,128 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) [2022-07-19 23:32:35,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 23:32:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:36,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:32:36,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 23:32:36,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:36,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:36,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730077427] [2022-07-19 23:32:36,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730077427] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:36,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:36,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:32:36,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650779155] [2022-07-19 23:32:36,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:36,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:32:36,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:36,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:32:36,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:36,136 INFO L87 Difference]: Start difference. First operand 6369 states and 9299 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:32:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:36,849 INFO L93 Difference]: Finished difference Result 17378 states and 25193 transitions. [2022-07-19 23:32:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:32:36,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2022-07-19 23:32:36,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:36,898 INFO L225 Difference]: With dead ends: 17378 [2022-07-19 23:32:36,898 INFO L226 Difference]: Without dead ends: 11026 [2022-07-19 23:32:36,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:32:36,922 INFO L413 NwaCegarLoop]: 1603 mSDtfsCounter, 872 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:36,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 2752 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:32:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11026 states. [2022-07-19 23:32:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11026 to 10995. [2022-07-19 23:32:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10995 states, 8148 states have (on average 1.359720176730486) internal successors, (11079), 8361 states have internal predecessors, (11079), 2224 states have call successors, (2224), 623 states have call predecessors, (2224), 622 states have return successors, (2573), 2098 states have call predecessors, (2573), 2221 states have call successors, (2573) [2022-07-19 23:32:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10995 states to 10995 states and 15876 transitions. [2022-07-19 23:32:37,373 INFO L78 Accepts]: Start accepts. Automaton has 10995 states and 15876 transitions. Word has length 102 [2022-07-19 23:32:37,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:37,373 INFO L495 AbstractCegarLoop]: Abstraction has 10995 states and 15876 transitions. [2022-07-19 23:32:37,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:32:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 10995 states and 15876 transitions. [2022-07-19 23:32:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-19 23:32:37,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:37,382 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 23:32:37,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:37,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:37,599 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:37,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:37,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1390336057, now seen corresponding path program 1 times [2022-07-19 23:32:37,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:37,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420930801] [2022-07-19 23:32:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:37,603 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) [2022-07-19 23:32:37,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-19 23:32:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:38,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:32:38,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:32:39,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:39,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:39,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420930801] [2022-07-19 23:32:39,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420930801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:39,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:39,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:32:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875087437] [2022-07-19 23:32:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:39,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:32:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:39,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:32:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:32:39,006 INFO L87 Difference]: Start difference. First operand 10995 states and 15876 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 23:32:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:39,966 INFO L93 Difference]: Finished difference Result 17890 states and 25738 transitions. [2022-07-19 23:32:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:32:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-07-19 23:32:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:39,997 INFO L225 Difference]: With dead ends: 17890 [2022-07-19 23:32:39,998 INFO L226 Difference]: Without dead ends: 6911 [2022-07-19 23:32:40,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:32:40,036 INFO L413 NwaCegarLoop]: 1194 mSDtfsCounter, 38 mSDsluCounter, 3573 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4767 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:40,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4767 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:32:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6911 states. [2022-07-19 23:32:40,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6795. [2022-07-19 23:32:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 5036 states have (on average 1.3534551231135823) internal successors, (6816), 5171 states have internal predecessors, (6816), 1362 states have call successors, (1362), 397 states have call predecessors, (1362), 396 states have return successors, (1549), 1280 states have call predecessors, (1549), 1359 states have call successors, (1549) [2022-07-19 23:32:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 9727 transitions. [2022-07-19 23:32:40,351 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 9727 transitions. Word has length 128 [2022-07-19 23:32:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:40,352 INFO L495 AbstractCegarLoop]: Abstraction has 6795 states and 9727 transitions. [2022-07-19 23:32:40,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 23:32:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 9727 transitions. [2022-07-19 23:32:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-19 23:32:40,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:40,360 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-07-19 23:32:40,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:40,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:40,583 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:40,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:40,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1851619390, now seen corresponding path program 1 times [2022-07-19 23:32:40,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:40,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130284832] [2022-07-19 23:32:40,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:40,587 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) [2022-07-19 23:32:40,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-19 23:32:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:32:41,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-19 23:32:41,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:32:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-19 23:32:42,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:32:42,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:32:42,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130284832] [2022-07-19 23:32:42,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130284832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:32:42,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:32:42,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:32:42,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773991724] [2022-07-19 23:32:42,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:32:42,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:32:42,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:32:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:32:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:32:42,022 INFO L87 Difference]: Start difference. First operand 6795 states and 9727 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 23:32:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:32:43,621 INFO L93 Difference]: Finished difference Result 12476 states and 17885 transitions. [2022-07-19 23:32:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:32:43,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-07-19 23:32:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:32:43,647 INFO L225 Difference]: With dead ends: 12476 [2022-07-19 23:32:43,648 INFO L226 Difference]: Without dead ends: 6809 [2022-07-19 23:32:43,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:32:43,664 INFO L413 NwaCegarLoop]: 1444 mSDtfsCounter, 435 mSDsluCounter, 5231 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 6675 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:32:43,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 6675 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 23:32:43,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6809 states. [2022-07-19 23:32:43,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6809 to 6795. [2022-07-19 23:32:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 5036 states have (on average 1.3526608419380461) internal successors, (6812), 5171 states have internal predecessors, (6812), 1362 states have call successors, (1362), 397 states have call predecessors, (1362), 396 states have return successors, (1549), 1280 states have call predecessors, (1549), 1359 states have call successors, (1549) [2022-07-19 23:32:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 9723 transitions. [2022-07-19 23:32:43,898 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 9723 transitions. Word has length 134 [2022-07-19 23:32:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:32:43,899 INFO L495 AbstractCegarLoop]: Abstraction has 6795 states and 9723 transitions. [2022-07-19 23:32:43,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 23:32:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 9723 transitions. [2022-07-19 23:32:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-19 23:32:43,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:32:43,907 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-07-19 23:32:43,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-19 23:32:44,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:32:44,127 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:32:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:32:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1774718592, now seen corresponding path program 1 times [2022-07-19 23:32:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:32:44,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273145957] [2022-07-19 23:32:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:32:44,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:32:44,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:32:44,131 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) [2022-07-19 23:32:44,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process