./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.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 ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:39:52,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:39:52,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:39:52,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:39:52,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:39:52,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:39:52,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:39:52,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:39:52,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:39:52,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:39:52,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:39:52,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:39:52,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:39:52,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:39:52,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:39:52,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:39:52,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:39:52,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:39:52,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:39:52,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:39:52,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:39:52,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:39:52,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:39:52,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:39:52,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:39:52,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:39:52,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:39:52,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:39:52,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:39:52,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:39:52,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:39:52,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:39:52,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:39:52,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:39:52,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:39:52,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:39:52,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:39:52,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:39:52,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:39:52,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:39:52,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:39:52,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:39:52,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:39:52,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:39:52,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:39:52,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:39:52,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:39:52,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:39:52,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:39:52,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:39:52,575 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:39:52,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:39:52,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:39:52,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:39:52,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:39:52,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:39:52,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:39:52,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:39:52,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:39:52,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:39:52,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:39:52,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:39:52,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:39:52,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:39:52,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:39:52,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:39:52,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:39:52,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:39:52,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b [2021-12-22 14:39:52,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:39:52,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:39:52,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:39:52,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:39:52,777 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:39:52,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:39:52,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeba1c321/58ceb7a1509644b4a9215b0b52fc5c1c/FLAGf5af8812c [2021-12-22 14:39:53,390 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:39:53,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:39:53,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeba1c321/58ceb7a1509644b4a9215b0b52fc5c1c/FLAGf5af8812c [2021-12-22 14:39:53,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeba1c321/58ceb7a1509644b4a9215b0b52fc5c1c [2021-12-22 14:39:53,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:39:53,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:39:53,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:39:53,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:39:53,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:39:53,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:39:53" (1/1) ... [2021-12-22 14:39:53,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fc0c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:53, skipping insertion in model container [2021-12-22 14:39:53,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:39:53" (1/1) ... [2021-12-22 14:39:53,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:39:53,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:39:54,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2021-12-22 14:39:54,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:39:54,484 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:39:54,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2021-12-22 14:39:54,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:39:54,670 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:39:54,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54 WrapperNode [2021-12-22 14:39:54,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:39:54,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:39:54,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:39:54,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:39:54,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,750 INFO L137 Inliner]: procedures = 101, calls = 368, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 961 [2021-12-22 14:39:54,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:39:54,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:39:54,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:39:54,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:39:54,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:39:54,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:39:54,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:39:54,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:39:54,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (1/1) ... [2021-12-22 14:39:54,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:39:54,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:39:54,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:39:54,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:39:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:39:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:39:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:39:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:39:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:39:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:39:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-22 14:39:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-22 14:39:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:39:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:39:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:39:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:39:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:39:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:39:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:39:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:39:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:39:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 14:39:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 14:39:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:39:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:39:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:39:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:39:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:39:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:39:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2021-12-22 14:39:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2021-12-22 14:39:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2021-12-22 14:39:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2021-12-22 14:39:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:39:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:39:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 14:39:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 14:39:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:39:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:39:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:39:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:39:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:39:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:39:55,231 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:39:55,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:39:55,352 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:39:56,796 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:39:56,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:39:56,802 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:39:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:39:56 BoogieIcfgContainer [2021-12-22 14:39:56,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:39:56,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:39:56,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:39:56,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:39:56,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:39:53" (1/3) ... [2021-12-22 14:39:56,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22735ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:39:56, skipping insertion in model container [2021-12-22 14:39:56,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:39:54" (2/3) ... [2021-12-22 14:39:56,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22735ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:39:56, skipping insertion in model container [2021-12-22 14:39:56,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:39:56" (3/3) ... [2021-12-22 14:39:56,810 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:39:56,813 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:39:56,813 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:39:56,844 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:39:56,848 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:39:56,848 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:39:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 188 states have (on average 1.398936170212766) internal successors, (263), 194 states have internal predecessors, (263), 36 states have call successors, (36), 14 states have call predecessors, (36), 13 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-22 14:39:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-22 14:39:56,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:39:56,873 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 14:39:56,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:39:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:39:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 721078938, now seen corresponding path program 1 times [2021-12-22 14:39:56,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:39:56,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026956069] [2021-12-22 14:39:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:39:56,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:39:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:39:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:39:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:39:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-22 14:39:57,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:39:57,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026956069] [2021-12-22 14:39:57,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026956069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:39:57,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:39:57,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:39:57,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630807329] [2021-12-22 14:39:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:39:57,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:39:57,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:39:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:39:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:39:57,298 INFO L87 Difference]: Start difference. First operand has 239 states, 188 states have (on average 1.398936170212766) internal successors, (263), 194 states have internal predecessors, (263), 36 states have call successors, (36), 14 states have call predecessors, (36), 13 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-12-22 14:39:59,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:39:59,519 INFO L93 Difference]: Finished difference Result 786 states and 1178 transitions. [2021-12-22 14:39:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:39:59,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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 42 [2021-12-22 14:39:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:39:59,541 INFO L225 Difference]: With dead ends: 786 [2021-12-22 14:39:59,542 INFO L226 Difference]: Without dead ends: 536 [2021-12-22 14:39:59,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:39:59,557 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 580 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:39:59,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 997 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-22 14:39:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-12-22 14:39:59,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 419. [2021-12-22 14:39:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 339 states have (on average 1.3746312684365782) internal successors, (466), 339 states have internal predecessors, (466), 56 states have call successors, (56), 24 states have call predecessors, (56), 23 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-22 14:39:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 577 transitions. [2021-12-22 14:39:59,632 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 577 transitions. Word has length 42 [2021-12-22 14:39:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:39:59,632 INFO L470 AbstractCegarLoop]: Abstraction has 419 states and 577 transitions. [2021-12-22 14:39:59,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-12-22 14:39:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 577 transitions. [2021-12-22 14:39:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-22 14:39:59,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:39:59,642 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-22 14:39:59,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:39:59,643 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:39:59,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:39:59,644 INFO L85 PathProgramCache]: Analyzing trace with hash -36377006, now seen corresponding path program 1 times [2021-12-22 14:39:59,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:39:59,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126981745] [2021-12-22 14:39:59,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:39:59,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:39:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:39:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:39:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:39:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:39:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-22 14:39:59,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:39:59,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126981745] [2021-12-22 14:39:59,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126981745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:39:59,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:39:59,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:39:59,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313273436] [2021-12-22 14:39:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:39:59,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:39:59,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:39:59,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:39:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:39:59,895 INFO L87 Difference]: Start difference. First operand 419 states and 577 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:40:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:01,821 INFO L93 Difference]: Finished difference Result 1453 states and 2078 transitions. [2021-12-22 14:40:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:40:01,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2021-12-22 14:40:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:01,836 INFO L225 Difference]: With dead ends: 1453 [2021-12-22 14:40:01,837 INFO L226 Difference]: Without dead ends: 1044 [2021-12-22 14:40:01,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-22 14:40:01,842 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 606 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:01,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 1609 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 14:40:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2021-12-22 14:40:01,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 871. [2021-12-22 14:40:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 706 states have (on average 1.3767705382436262) internal successors, (972), 710 states have internal predecessors, (972), 113 states have call successors, (113), 46 states have call predecessors, (113), 51 states have return successors, (131), 114 states have call predecessors, (131), 112 states have call successors, (131) [2021-12-22 14:40:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1216 transitions. [2021-12-22 14:40:01,916 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1216 transitions. Word has length 52 [2021-12-22 14:40:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:01,916 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1216 transitions. [2021-12-22 14:40:01,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:40:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1216 transitions. [2021-12-22 14:40:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-22 14:40:01,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:01,922 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:01,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:40:01,923 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:01,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:01,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1655869192, now seen corresponding path program 1 times [2021-12-22 14:40:01,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:01,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500558918] [2021-12-22 14:40:01,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:01,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:40:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:40:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:40:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:40:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 14:40:02,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:02,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500558918] [2021-12-22 14:40:02,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500558918] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:40:02,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469944993] [2021-12-22 14:40:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:02,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:40:02,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:02,220 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) [2021-12-22 14:40:02,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 14:40:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:02,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:40:02,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 14:40:02,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:02,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469944993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:02,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:40:02,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-22 14:40:02,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460217894] [2021-12-22 14:40:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:02,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:40:02,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:40:02,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-22 14:40:02,742 INFO L87 Difference]: Start difference. First operand 871 states and 1216 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-12-22 14:40:02,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:02,812 INFO L93 Difference]: Finished difference Result 2006 states and 2833 transitions. [2021-12-22 14:40:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:40:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 126 [2021-12-22 14:40:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:02,817 INFO L225 Difference]: With dead ends: 2006 [2021-12-22 14:40:02,818 INFO L226 Difference]: Without dead ends: 1151 [2021-12-22 14:40:02,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-22 14:40:02,821 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 125 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:02,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 591 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:40:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2021-12-22 14:40:02,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1140. [2021-12-22 14:40:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 952 states have (on average 1.4002100840336134) internal successors, (1333), 956 states have internal predecessors, (1333), 126 states have call successors, (126), 56 states have call predecessors, (126), 61 states have return successors, (144), 127 states have call predecessors, (144), 125 states have call successors, (144) [2021-12-22 14:40:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1603 transitions. [2021-12-22 14:40:02,855 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1603 transitions. Word has length 126 [2021-12-22 14:40:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:02,855 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 1603 transitions. [2021-12-22 14:40:02,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-12-22 14:40:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1603 transitions. [2021-12-22 14:40:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-22 14:40:02,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:02,858 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:02,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:03,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:40:03,078 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:03,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:03,078 INFO L85 PathProgramCache]: Analyzing trace with hash -474001616, now seen corresponding path program 1 times [2021-12-22 14:40:03,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:03,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350653306] [2021-12-22 14:40:03,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:03,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:40:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:40:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:40:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:40:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:40:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:40:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-22 14:40:03,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:03,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350653306] [2021-12-22 14:40:03,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350653306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:03,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:03,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:40:03,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644498474] [2021-12-22 14:40:03,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:03,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:40:03,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:40:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:40:03,289 INFO L87 Difference]: Start difference. First operand 1140 states and 1603 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 14:40:05,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:05,858 INFO L93 Difference]: Finished difference Result 3449 states and 4896 transitions. [2021-12-22 14:40:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:40:05,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2021-12-22 14:40:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:05,866 INFO L225 Difference]: With dead ends: 3449 [2021-12-22 14:40:05,866 INFO L226 Difference]: Without dead ends: 2336 [2021-12-22 14:40:05,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:40:05,869 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 664 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:05,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1532 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-22 14:40:05,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2021-12-22 14:40:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1902. [2021-12-22 14:40:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1588 states have (on average 1.3860201511335013) internal successors, (2201), 1596 states have internal predecessors, (2201), 206 states have call successors, (206), 96 states have call predecessors, (206), 107 states have return successors, (233), 209 states have call predecessors, (233), 205 states have call successors, (233) [2021-12-22 14:40:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2640 transitions. [2021-12-22 14:40:05,929 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2640 transitions. Word has length 148 [2021-12-22 14:40:05,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:05,931 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 2640 transitions. [2021-12-22 14:40:05,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 14:40:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2640 transitions. [2021-12-22 14:40:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-22 14:40:05,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:05,937 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:05,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:40:05,937 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:05,938 INFO L85 PathProgramCache]: Analyzing trace with hash -676998162, now seen corresponding path program 1 times [2021-12-22 14:40:05,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:05,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371518581] [2021-12-22 14:40:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:05,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:40:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:40:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:40:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:40:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:40:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:40:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-22 14:40:06,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:06,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371518581] [2021-12-22 14:40:06,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371518581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:06,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:06,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 14:40:06,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579687632] [2021-12-22 14:40:06,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:06,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 14:40:06,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:06,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 14:40:06,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:40:06,232 INFO L87 Difference]: Start difference. First operand 1902 states and 2640 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 14:40:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:09,184 INFO L93 Difference]: Finished difference Result 4158 states and 5877 transitions. [2021-12-22 14:40:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:40:09,185 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), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 148 [2021-12-22 14:40:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:09,192 INFO L225 Difference]: With dead ends: 4158 [2021-12-22 14:40:09,192 INFO L226 Difference]: Without dead ends: 2283 [2021-12-22 14:40:09,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-22 14:40:09,196 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 110 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:09,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 1781 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-22 14:40:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2021-12-22 14:40:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1902. [2021-12-22 14:40:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1580 states have (on average 1.3778481012658228) internal successors, (2177), 1592 states have internal predecessors, (2177), 206 states have call successors, (206), 96 states have call predecessors, (206), 115 states have return successors, (249), 213 states have call predecessors, (249), 205 states have call successors, (249) [2021-12-22 14:40:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2632 transitions. [2021-12-22 14:40:09,250 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2632 transitions. Word has length 148 [2021-12-22 14:40:09,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:09,250 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 2632 transitions. [2021-12-22 14:40:09,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 14:40:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2632 transitions. [2021-12-22 14:40:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-22 14:40:09,258 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:09,258 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:09,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:40:09,258 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:09,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:09,259 INFO L85 PathProgramCache]: Analyzing trace with hash -293871194, now seen corresponding path program 1 times [2021-12-22 14:40:09,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:09,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020850531] [2021-12-22 14:40:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:09,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:40:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:40:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:40:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:40:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:40:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:40:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:40:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-22 14:40:09,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:09,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020850531] [2021-12-22 14:40:09,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020850531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:09,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:09,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-22 14:40:09,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389445175] [2021-12-22 14:40:09,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:09,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-22 14:40:09,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:09,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 14:40:09,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:40:09,553 INFO L87 Difference]: Start difference. First operand 1902 states and 2632 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 14:40:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:11,185 INFO L93 Difference]: Finished difference Result 4398 states and 6221 transitions. [2021-12-22 14:40:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 14:40:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 155 [2021-12-22 14:40:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:11,195 INFO L225 Difference]: With dead ends: 4398 [2021-12-22 14:40:11,195 INFO L226 Difference]: Without dead ends: 2523 [2021-12-22 14:40:11,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:40:11,200 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 262 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:11,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 3180 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 14:40:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2021-12-22 14:40:11,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 1918. [2021-12-22 14:40:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1596 states have (on average 1.369047619047619) internal successors, (2185), 1600 states have internal predecessors, (2185), 206 states have call successors, (206), 96 states have call predecessors, (206), 115 states have return successors, (245), 221 states have call predecessors, (245), 205 states have call successors, (245) [2021-12-22 14:40:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2636 transitions. [2021-12-22 14:40:11,258 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2636 transitions. Word has length 155 [2021-12-22 14:40:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:11,259 INFO L470 AbstractCegarLoop]: Abstraction has 1918 states and 2636 transitions. [2021-12-22 14:40:11,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 14:40:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2636 transitions. [2021-12-22 14:40:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-22 14:40:11,263 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:11,263 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:11,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:40:11,263 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:11,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1223252563, now seen corresponding path program 1 times [2021-12-22 14:40:11,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:11,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12540413] [2021-12-22 14:40:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:11,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:40:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:40:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:40:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:40:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:40:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:40:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:40:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:40:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-22 14:40:11,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:11,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12540413] [2021-12-22 14:40:11,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12540413] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:40:11,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819308980] [2021-12-22 14:40:11,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:11,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:40:11,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:11,560 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) [2021-12-22 14:40:11,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 14:40:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:11,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 14:40:11,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-22 14:40:12,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:12,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819308980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:12,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:40:12,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-12-22 14:40:12,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762661610] [2021-12-22 14:40:12,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:12,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:40:12,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:12,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:40:12,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:40:12,144 INFO L87 Difference]: Start difference. First operand 1918 states and 2636 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 14:40:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:12,191 INFO L93 Difference]: Finished difference Result 3819 states and 5254 transitions. [2021-12-22 14:40:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:40:12,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2021-12-22 14:40:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:12,198 INFO L225 Difference]: With dead ends: 3819 [2021-12-22 14:40:12,198 INFO L226 Difference]: Without dead ends: 1919 [2021-12-22 14:40:12,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:40:12,202 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 2 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:12,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 927 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:40:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2021-12-22 14:40:12,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1919. [2021-12-22 14:40:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1597 states have (on average 1.3688165309956168) internal successors, (2186), 1601 states have internal predecessors, (2186), 206 states have call successors, (206), 96 states have call predecessors, (206), 115 states have return successors, (245), 221 states have call predecessors, (245), 205 states have call successors, (245) [2021-12-22 14:40:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2637 transitions. [2021-12-22 14:40:12,256 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2637 transitions. Word has length 161 [2021-12-22 14:40:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:12,256 INFO L470 AbstractCegarLoop]: Abstraction has 1919 states and 2637 transitions. [2021-12-22 14:40:12,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 14:40:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2637 transitions. [2021-12-22 14:40:12,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-22 14:40:12,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:12,259 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:12,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:12,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-22 14:40:12,480 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:12,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:12,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1686704921, now seen corresponding path program 1 times [2021-12-22 14:40:12,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:12,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307453393] [2021-12-22 14:40:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:12,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:40:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:40:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:40:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 14:40:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:40:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:40:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:40:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-22 14:40:12,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:12,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307453393] [2021-12-22 14:40:12,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307453393] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:40:12,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047761957] [2021-12-22 14:40:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:12,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:40:12,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:12,769 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) [2021-12-22 14:40:12,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 14:40:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:13,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 14:40:13,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-22 14:40:13,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:40:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-22 14:40:13,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047761957] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:40:13,791 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 14:40:13,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-22 14:40:13,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556241301] [2021-12-22 14:40:13,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 14:40:13,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-22 14:40:13,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 14:40:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:40:13,793 INFO L87 Difference]: Start difference. First operand 1919 states and 2637 transitions. Second operand has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 10 states have internal predecessors, (151), 2 states have call successors, (45), 6 states have call predecessors, (45), 5 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 14:40:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:15,996 INFO L93 Difference]: Finished difference Result 4187 states and 5818 transitions. [2021-12-22 14:40:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 14:40:15,997 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 10 states have internal predecessors, (151), 2 states have call successors, (45), 6 states have call predecessors, (45), 5 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 163 [2021-12-22 14:40:15,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:16,004 INFO L225 Difference]: With dead ends: 4187 [2021-12-22 14:40:16,004 INFO L226 Difference]: Without dead ends: 2284 [2021-12-22 14:40:16,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 351 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2021-12-22 14:40:16,008 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 274 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:16,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 1454 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 14:40:16,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2021-12-22 14:40:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1922. [2021-12-22 14:40:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1922 states, 1600 states have (on average 1.368125) internal successors, (2189), 1604 states have internal predecessors, (2189), 206 states have call successors, (206), 96 states have call predecessors, (206), 115 states have return successors, (245), 221 states have call predecessors, (245), 205 states have call successors, (245) [2021-12-22 14:40:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2640 transitions. [2021-12-22 14:40:16,076 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2640 transitions. Word has length 163 [2021-12-22 14:40:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:16,076 INFO L470 AbstractCegarLoop]: Abstraction has 1922 states and 2640 transitions. [2021-12-22 14:40:16,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 10 states have internal predecessors, (151), 2 states have call successors, (45), 6 states have call predecessors, (45), 5 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 14:40:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2640 transitions. [2021-12-22 14:40:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-22 14:40:16,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:16,080 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:16,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:16,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:40:16,301 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:16,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash 699141421, now seen corresponding path program 2 times [2021-12-22 14:40:16,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:16,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837885746] [2021-12-22 14:40:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:16,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:40:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:40:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:40:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:40:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 14:40:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 14:40:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:40:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:40:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:40:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:40:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:40:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:40:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-22 14:40:16,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:16,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837885746] [2021-12-22 14:40:16,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837885746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:16,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:16,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-22 14:40:16,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524413844] [2021-12-22 14:40:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:16,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-22 14:40:16,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:16,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-22 14:40:16,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2021-12-22 14:40:16,892 INFO L87 Difference]: Start difference. First operand 1922 states and 2640 transitions. Second operand has 19 states, 18 states have (on average 5.111111111111111) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-12-22 14:40:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:20,394 INFO L93 Difference]: Finished difference Result 4519 states and 6356 transitions. [2021-12-22 14:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-22 14:40:20,408 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.111111111111111) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 169 [2021-12-22 14:40:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:20,417 INFO L225 Difference]: With dead ends: 4519 [2021-12-22 14:40:20,417 INFO L226 Difference]: Without dead ends: 2628 [2021-12-22 14:40:20,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2021-12-22 14:40:20,436 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 362 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 4420 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:20,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 4420 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-22 14:40:20,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2021-12-22 14:40:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1962. [2021-12-22 14:40:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1632 states have (on average 1.360906862745098) internal successors, (2221), 1636 states have internal predecessors, (2221), 214 states have call successors, (214), 96 states have call predecessors, (214), 115 states have return successors, (253), 229 states have call predecessors, (253), 213 states have call successors, (253) [2021-12-22 14:40:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2688 transitions. [2021-12-22 14:40:20,606 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2688 transitions. Word has length 169 [2021-12-22 14:40:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:20,606 INFO L470 AbstractCegarLoop]: Abstraction has 1962 states and 2688 transitions. [2021-12-22 14:40:20,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.111111111111111) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-12-22 14:40:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2688 transitions. [2021-12-22 14:40:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-22 14:40:20,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:20,623 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2021-12-22 14:40:20,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 14:40:20,624 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:20,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:20,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2025494723, now seen corresponding path program 1 times [2021-12-22 14:40:20,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:20,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761478292] [2021-12-22 14:40:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:20,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 14:40:20,853 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 14:40:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 14:40:21,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 14:40:21,135 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 14:40:21,135 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 14:40:21,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 14:40:21,138 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:40:21,140 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 14:40:21,169 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-22 14:40:21,171 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-22 14:40:21,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,183 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,183 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,183 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,183 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,183 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,184 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,186 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,191 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,191 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,195 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,195 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,195 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,196 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-22 14:40:21,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,199 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-22 14:40:21,199 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-22 14:40:21,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 02:40:21 BoogieIcfgContainer [2021-12-22 14:40:21,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 14:40:21,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 14:40:21,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 14:40:21,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 14:40:21,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:39:56" (3/4) ... [2021-12-22 14:40:21,353 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 14:40:21,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 14:40:21,354 INFO L158 Benchmark]: Toolchain (without parser) took 27487.08ms. Allocated memory was 123.7MB in the beginning and 457.2MB in the end (delta: 333.4MB). Free memory was 91.5MB in the beginning and 389.3MB in the end (delta: -297.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,354 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 81.2MB in the end (delta: 61.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 14:40:21,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.11ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 91.5MB in the beginning and 76.2MB in the end (delta: 15.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.24ms. Allocated memory is still 178.3MB. Free memory was 76.2MB in the beginning and 69.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,355 INFO L158 Benchmark]: Boogie Preprocessor took 56.72ms. Allocated memory is still 178.3MB. Free memory was 69.0MB in the beginning and 62.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,355 INFO L158 Benchmark]: RCFGBuilder took 1996.44ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 62.7MB in the beginning and 136.3MB in the end (delta: -73.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,355 INFO L158 Benchmark]: TraceAbstraction took 24543.94ms. Allocated memory was 260.0MB in the beginning and 457.2MB in the end (delta: 197.1MB). Free memory was 136.3MB in the beginning and 389.3MB in the end (delta: -253.0MB). Peak memory consumption was 194.7MB. Max. memory is 16.1GB. [2021-12-22 14:40:21,356 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 457.2MB. Free memory is still 389.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 14:40:21,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 81.2MB in the end (delta: 61.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.11ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 91.5MB in the beginning and 76.2MB in the end (delta: 15.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.24ms. Allocated memory is still 178.3MB. Free memory was 76.2MB in the beginning and 69.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.72ms. Allocated memory is still 178.3MB. Free memory was 69.0MB in the beginning and 62.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1996.44ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 62.7MB in the beginning and 136.3MB in the end (delta: -73.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24543.94ms. Allocated memory was 260.0MB in the beginning and 457.2MB in the end (delta: 197.1MB). Free memory was 136.3MB in the beginning and 389.3MB in the end (delta: -253.0MB). Peak memory consumption was 194.7MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 457.2MB. Free memory is still 389.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5639]: 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 5861. Possible FailurePath: [L5662] int LDV_IN_INTERRUPT = 1; [L5663] int ldv_state_variable_2 ; [L5664] struct usbnet *genelink_info_group0 ; [L5665] int ref_cnt ; [L5666] int ldv_state_variable_1 ; [L5667] int usb_counter ; [L5668] struct usb_interface *gl620a_driver_group1 ; [L5669] int ldv_state_variable_0 ; [L5670] struct sk_buff *genelink_info_group1 ; [L5860-L5862] static struct driver_info const genelink_info = {(char *)"Genesys GeneLink", 4114, & genelink_bind, 0, 0, 0, 0, 0, 0, 0, & genelink_rx_fixup, & genelink_tx_fixup, 0, 0, 1, 2, 0UL}; [L5863-L5865] static struct usb_device_id const products[2U] = { {3U, 1507U, 1282U, (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, (unsigned long )(& genelink_info)}}; [L5866] struct usb_device_id const __mod_usb__products_device_table ; [L5867-L5876] static struct usb_driver gl620a_driver = {"gl620a", & usbnet_probe, & usbnet_disconnect, 0, & usbnet_suspend, & usbnet_resume, 0, 0, 0, (struct usb_device_id const *)(& products), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L5893] int ldv_retval_2 ; [L5894] int ldv_retval_5 ; [L5895] int ldv_retval_0 ; [L5896] int ldv_retval_4 ; [L5899] int ldv_retval_1 ; [L5901] int ldv_retval_3 ; [L6187] Element set_impl[15] ; [L6188] int last_index = 0; [L6322] Set LDV_SKBS ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5925] struct usb_device_id *ldvarg1 ; [L5926] void *tmp ; [L5927] pm_message_t ldvarg0 ; [L5928] struct usb_interface *ldvarg3 ; [L5929] void *tmp___0 ; [L5930] gfp_t ldvarg2 ; [L5931] int tmp___1 ; [L5932] int tmp___2 ; [L5933] int tmp___3 ; [L5934] int tmp___4 ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg2={25:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5936] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND TRUE tmp___0 != 0 [L5610] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, size=32, tmp___0=1, usb_counter=0] [L5936] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={26:0}, ldvarg2={25:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5936] tmp = ldv_zalloc(32UL) [L5937] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, usb_counter=0] [L5938] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND TRUE tmp___0 != 0 [L5610] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1560, tmp___0=1, usb_counter=0] [L5938] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, usb_counter=0] [L5938] tmp___0 = ldv_zalloc(1560UL) [L5939] ldvarg3 = (struct usb_interface *)tmp___0 [L5940] CALL ldv_initialize() [L6341] CALL ldv_set_init(LDV_SKBS) [L6193] set = set_impl [L6194] last_index = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set={24:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6341] RET ldv_set_init(LDV_SKBS) [L5940] RET ldv_initialize() [L5941] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={26:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L5942] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={25:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L5943] ldv_state_variable_1 = 0 [L5944] ref_cnt = 0 [L5945] ldv_state_variable_0 = 1 [L5946] ldv_state_variable_2 = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L5948] tmp___1 = __VERIFIER_nondet_int() [L5950] case 0: [L6016] case 1: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, usb_counter=0] [L6017] COND TRUE ldv_state_variable_0 != 0 [L6018] tmp___3 = __VERIFIER_nondet_int() [L6020] case 0: [L6028] case 1: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0] [L6029] COND TRUE ldv_state_variable_0 == 1 [L6030] CALL, EXPR gl620a_driver_init() [L5879] int tmp ; [L5881] CALL, EXPR ldv_usb_register_driver_13(& gl620a_driver, & __this_module, "gl620a") [L6167] ldv_func_ret_type ldv_func_res ; [L6168] int tmp ; [L6170] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6436] return __VERIFIER_nondet_int(); [L6170] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6170] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6171] ldv_func_res = tmp [L6172] ldv_state_variable_1 = 1 [L6173] usb_counter = 0 [L6174] CALL ldv_usb_driver_1() [L5916] void *tmp ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5918] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND TRUE tmp___0 != 0 [L5610] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1560, tmp___0=1, usb_counter=0] [L5918] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5918] tmp = ldv_zalloc(1560UL) [L5919] gl620a_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, usb_counter=0] [L6174] RET ldv_usb_driver_1() [L6175] return (ldv_func_res); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, ldv_func_arg1={23:0}, ldv_func_arg1={23:0}, ldv_func_arg2={4294967334:4294967332}, ldv_func_arg2={4294967334:4294967332}, ldv_func_arg3={20:0}, ldv_func_arg3={20:0}, 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_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp=0, usb_counter=0] [L5881] RET, EXPR ldv_usb_register_driver_13(& gl620a_driver, & __this_module, "gl620a") [L5881] tmp = ldv_usb_register_driver_13(& gl620a_driver, & __this_module, "gl620a") [L5882] return (tmp); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp=0, usb_counter=0] [L6030] RET, EXPR gl620a_driver_init() [L6030] ldv_retval_4 = gl620a_driver_init() [L6031] COND TRUE ldv_retval_4 == 0 [L6032] ldv_state_variable_0 = 3 [L6033] ldv_state_variable_2 = 1 [L6034] CALL ldv_initialize_driver_info_2() [L5904] void *tmp ; [L5905] void *tmp___0 ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5907] CALL, EXPR ldv_zalloc(1472UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND TRUE tmp___0 != 0 [L5610] return ((void *)0); VAL [\old(size)=1472, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1472, tmp___0=1, usb_counter=0] [L5907] RET, EXPR ldv_zalloc(1472UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(1472UL)={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5907] tmp = ldv_zalloc(1472UL) [L5908] genelink_info_group0 = (struct usbnet *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, usb_counter=0] [L5909] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND TRUE tmp___0 != 0 [L5610] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=232, tmp___0=1, usb_counter=0] [L5909] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(232UL)={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, usb_counter=0] [L5909] tmp___0 = ldv_zalloc(232UL) [L5910] genelink_info_group1 = (struct sk_buff *)tmp___0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L6034] RET ldv_initialize_driver_info_2() [L6037] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0] [L5948] tmp___1 = __VERIFIER_nondet_int() [L5950] case 0: [L6016] case 1: [L6052] case 2: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, usb_counter=0] [L6053] COND TRUE ldv_state_variable_2 != 0 [L6054] tmp___4 = __VERIFIER_nondet_int() [L6056] case 0: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=0, usb_counter=0] [L6057] COND TRUE ldv_state_variable_2 == 1 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=0, usb_counter=0] [L6058] CALL genelink_rx_fixup(genelink_info_group0, genelink_info_group1) VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5700] struct gl_header *header ; [L5701] struct gl_packet *packet ; [L5702] struct sk_buff *gl_skb ; [L5703] u32 size ; [L5704] u32 count ; [L5705] struct _ddebug descriptor ; [L5706] long tmp ; [L5707] struct _ddebug descriptor___0 ; [L5708] long tmp___0 ; [L5709] size_t __len ; [L5710] void *__ret ; [L5711] unsigned char *tmp___2 ; [L5712] struct _ddebug descriptor___1 ; [L5713] long tmp___3 ; [L5715] EXPR skb->len [L5715] EXPR dev->net [L5715] EXPR (dev->net)->hard_header_len VAL [(dev->net)->hard_header_len=0, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, dev->net={4294967335:-2}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, skb={0:0}, skb->len=0, usb_counter=0] [L5715] COND FALSE !(skb->len < (unsigned int )(dev->net)->hard_header_len) [L5719] EXPR skb->data [L5719] header = (struct gl_header *)skb->data [L5720] EXPR header->packet_count [L5720] count = header->packet_count [L5721] COND FALSE !(count > 32U) [L5737] packet = & header->packets VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, count=2, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, header={4294967317:-8}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:-4}, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, skb={0:0}, usb_counter=0] [L5738] CALL skb_pull(skb, 4U) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5587] void *p ; [L5588] void *tmp ; [L5589] int tmp___0 ; [L5591] tmp___0 = __VERIFIER_nondet_int() [L5592] COND TRUE tmp___0 != 0 [L5593] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1, tmp___0=-3, usb_counter=0] [L6421] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, arg0={0:0}, arg1=null, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] return ldv_malloc(sizeof(unsigned char)); [L5738] RET skb_pull(skb, 4U) VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, count=2, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, header={4294967317:-8}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:-4}, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, skb={0:0}, skb_pull(skb, 4U)={0:0}, usb_counter=0] [L5771] COND TRUE count > 1U VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, count=2, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, header={4294967317:-8}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:-4}, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, skb={0:0}, usb_counter=0] [L5741] EXPR packet->packet_length [L5741] size = packet->packet_length [L5742] COND FALSE !(size > 1514U) [L5758] CALL, EXPR ldv_alloc_skb_12(size, 32U) [L6153] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(priority)=32, \old(size)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, priority=32, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, usb_counter=0] [L6155] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6325] void *skb ; [L6326] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6328] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5604] void *p ; [L5605] void *tmp ; [L5606] int tmp___0 ; [L5608] tmp___0 = __VERIFIER_nondet_int() [L5609] COND FALSE !(tmp___0 != 0) [L5612] EXPR, FCALL calloc(1UL, size) [L5612] tmp = calloc(1UL, size) [L5613] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, calloc(1UL, size)={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L5614] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5583] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, cond=1, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5614] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, calloc(1UL, size)={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L5615] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, calloc(1UL, size)={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6328] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6328] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6329] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0] [L6330] COND FALSE !(! skb) [L6333] CALL ldv_set_add(LDV_SKBS, skb) [L6201] int i ; [L6203] i = 0 VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6204] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6205] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6215] COND TRUE last_index < 15 [L6216] set_impl[last_index] = e [L6217] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6333] RET ldv_set_add(LDV_SKBS, skb) [L6334] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0] [L6155] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(priority)=32, \old(size)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, priority=32, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, usb_counter=0] [L6155] tmp = ldv_skb_alloc() [L6156] COND TRUE \read(*tmp) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, priority=32, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, tmp={-18446744073709551615:0}, usb_counter=0] [L6158] CALL, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(size)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5587] void *p ; [L5588] void *tmp ; [L5589] int tmp___0 ; [L5591] tmp___0 = __VERIFIER_nondet_int() [L5592] COND TRUE tmp___0 != 0 [L5593] return ((void *)0); VAL [\old(last_index)=0, \old(size)=0, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, tmp___0=-5, usb_counter=0] [L6158] RET, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, priority=32, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, tmp={-18446744073709551615:0}, usb_counter=0] [L6158] tmp->head = ldv_malloc(size) [L6159] EXPR tmp->head [L6159] tmp->data = tmp->head [L6161] return (tmp); VAL [\old(last_index)=0, \old(priority)=32, \old(size)=0, \result={-18446744073709551615:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, priority=32, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, tmp={-18446744073709551615:0}, usb_counter=0] [L5758] RET, EXPR ldv_alloc_skb_12(size, 32U) [L5758] gl_skb = ldv_alloc_skb_12(size, 32U) [L5759] COND TRUE (unsigned long )gl_skb != (unsigned long )((struct sk_buff *)0) [L5760] __len = (size_t )size VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, count=2, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:-4}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, usb_counter=0] [L5761] CALL, EXPR skb_put(gl_skb, size) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={-18446744073709551615:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6427] EXPR arg0->data [L6427] EXPR arg0->tail [L6427] unsigned char *ret_val = arg0->data + arg0->tail; [L6428] EXPR arg0->tail [L6428] arg0->tail += arg1 [L6429] return ret_val; VAL [\old(arg1)=null, \old(last_index)=0, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={-18446744073709551615:0}, arg0={-18446744073709551615:0}, arg1=null, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, ret_val={0:0}, set_impl={24:0}, usb_counter=0] [L5761] RET, EXPR skb_put(gl_skb, size) VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, count=2, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:-4}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, skb_put(gl_skb, size)={0:0}, usb_counter=0] [L5761] tmp___2 = skb_put(gl_skb, size) [L5762-L5763] EXPR, FCALL memcpy((void *)tmp___2, (void const *)(& packet->packet_data), __len) [L5762-L5763] __ret = memcpy((void *)tmp___2, (void const *)(& packet->packet_data), __len) [L5764] FCALL usbnet_skb_return(dev, gl_skb) [L5767] packet = (struct gl_packet *)(& packet->packet_data) + (unsigned long )size [L5768] count = count - 1U VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, tmp___2={0:0}, usb_counter=0] [L5769] CALL skb_pull(skb, size + 4U) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5587] void *p ; [L5588] void *tmp ; [L5589] int tmp___0 ; [L5591] tmp___0 = __VERIFIER_nondet_int() [L5592] COND TRUE tmp___0 != 0 [L5593] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1, tmp___0=-7, usb_counter=0] [L6421] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, arg0={0:0}, arg1=null, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] return ldv_malloc(sizeof(unsigned char)); [L5769] RET skb_pull(skb, size + 4U) VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, skb_pull(skb, size + 4U)={0:0}, tmp___2={0:0}, usb_counter=0] [L5771] COND FALSE !(count > 1U) VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, tmp___2={0:0}, usb_counter=0] [L5775] CALL skb_pull(skb, 4U) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5587] void *p ; [L5588] void *tmp ; [L5589] int tmp___0 ; [L5591] tmp___0 = __VERIFIER_nondet_int() [L5592] COND TRUE tmp___0 != 0 [L5593] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, size=1, tmp___0=-9, usb_counter=0] [L6421] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=null, \old(last_index)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg0={0:0}, arg0={0:0}, arg1=null, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L6421] return ldv_malloc(sizeof(unsigned char)); [L5775] RET skb_pull(skb, 4U) VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, skb_pull(skb, 4U)={0:0}, tmp___2={0:0}, usb_counter=0] [L5776] EXPR skb->len VAL [\old(last_index)=0, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, descriptor={27:0}, descriptor___0={29:0}, descriptor___1={30:0}, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, skb->len=0, tmp___2={0:0}, usb_counter=0] [L5776] COND FALSE !(skb->len > 1514U) [L5792] return (1); [L5792] return (1); [L5792] return (1); [L5792] return (1); VAL [\old(last_index)=0, \result=1, __len=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __ret={0:0}, __this_module={4294967334:4294967332}, count=1, dev={0:0}, dev={0:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, gl_skb={-18446744073709551615:0}, header={4294967317:-8}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, packet={4294967317:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=0, skb={0:0}, skb={0:0}, tmp___2={0:0}, usb_counter=0] [L6058] RET genelink_rx_fixup(genelink_info_group0, genelink_info_group1) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, genelink_rx_fixup(genelink_info_group0, genelink_info_group1)=1, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=0, usb_counter=0] [L6059] ldv_state_variable_2 = 1 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=0, usb_counter=0] [L6062] COND FALSE !(ldv_state_variable_2 == 2) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=0, usb_counter=0] [L5948] tmp___1 = __VERIFIER_nondet_int() [L5950] case 0: [L6016] case 1: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, tmp___4=0, usb_counter=0] [L6017] COND TRUE ldv_state_variable_0 != 0 [L6018] tmp___3 = __VERIFIER_nondet_int() [L6020] case 0: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=0, tmp___4=0, usb_counter=0] [L6021] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6022] CALL gl620a_driver_exit() [L5888] CALL ldv_usb_deregister_14(& gl620a_driver) [L6181] FCALL usb_deregister(arg) [L6182] ldv_state_variable_1 = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, arg={23:0}, arg={23:0}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5888] RET ldv_usb_deregister_14(& gl620a_driver) [L6022] RET gl620a_driver_exit() [L6023] ldv_state_variable_0 = 2 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={26:0}, ldvarg1={0:0}, ldvarg2={25:0}, ldvarg3={0:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=0, tmp___4=0, usb_counter=0] [L6112] CALL ldv_check_final_state() [L6392] int tmp___7 ; [L6394] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L6283] return (last_index == 0); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={24:0}, usb_counter=0] [L6394] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6394] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6395] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, tmp___7=0, usb_counter=0] [L6397] CALL ldv_error() VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] [L5639] reach_error() VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={4294967334:4294967332}, genelink_info={21:0}, genelink_info_group0={0:0}, genelink_info_group1={0:0}, gl620a_driver={23:0}, gl620a_driver_group1={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, products={22:0}, ref_cnt=0, set_impl={24:0}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3124 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2985 mSDsluCounter, 16491 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13408 mSDsCounter, 1276 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5007 IncrementalHoareTripleChecker+Invalid, 6283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1276 mSolverCounterUnsat, 3083 mSDtfsCounter, 5007 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 965 GetRequests, 851 SyntacticMatches, 2 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=9, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2749 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1792 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1764 ConstructedInterpolants, 0 QuantifiedInterpolants, 3636 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4343 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 1180/1200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-22 14:40:21,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.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 ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:40:23,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:40:23,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:40:23,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:40:23,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:40:23,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:40:23,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:40:23,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:40:23,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:40:23,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:40:23,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:40:23,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:40:23,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:40:23,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:40:23,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:40:23,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:40:23,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:40:23,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:40:23,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:40:23,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:40:23,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:40:23,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:40:23,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:40:23,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:40:23,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:40:23,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:40:23,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:40:23,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:40:23,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:40:23,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:40:23,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:40:23,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:40:23,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:40:23,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:40:23,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:40:23,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:40:23,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:40:23,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:40:23,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:40:23,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:40:23,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:40:23,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-22 14:40:23,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:40:23,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:40:23,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:40:23,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:40:23,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:40:23,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:40:23,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:40:23,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:40:23,237 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:40:23,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 14:40:23,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:40:23,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:23,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:40:23,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:40:23,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 14:40:23,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b [2021-12-22 14:40:23,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:40:23,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:40:23,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:40:23,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:40:23,518 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:40:23,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:40:23,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6309588ac/87a684c558f74e53b7bc9aeae3c95ee8/FLAGe602ee8b3 [2021-12-22 14:40:24,140 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:40:24,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:40:24,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6309588ac/87a684c558f74e53b7bc9aeae3c95ee8/FLAGe602ee8b3 [2021-12-22 14:40:24,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6309588ac/87a684c558f74e53b7bc9aeae3c95ee8 [2021-12-22 14:40:24,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:40:24,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:40:24,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:24,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:40:24,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:40:24,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:24" (1/1) ... [2021-12-22 14:40:24,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739e1f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:24, skipping insertion in model container [2021-12-22 14:40:24,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:24" (1/1) ... [2021-12-22 14:40:24,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:40:24,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:25,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2021-12-22 14:40:25,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:25,351 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-22 14:40:25,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:25,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2021-12-22 14:40:25,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:25,564 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:40:25,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2021-12-22 14:40:25,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:25,757 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:40:25,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25 WrapperNode [2021-12-22 14:40:25,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:25,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:25,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:40:25,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:40:25,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,843 INFO L137 Inliner]: procedures = 115, calls = 368, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 932 [2021-12-22 14:40:25,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:25,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:40:25,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:40:25,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:40:25,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:40:25,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:40:25,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:40:25,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:40:25,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (1/1) ... [2021-12-22 14:40:25,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:25,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:40:25,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:40:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-22 14:40:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:40:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 14:40:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:40:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:40:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:40:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:40:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2021-12-22 14:40:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2021-12-22 14:40:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:40:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-22 14:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-22 14:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-22 14:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-22 14:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 14:40:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 14:40:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-22 14:40:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:40:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:40:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:40:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:40:26,325 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:40:26,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:40:26,478 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:40:35,137 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:40:35,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:40:35,144 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:40:35,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:35 BoogieIcfgContainer [2021-12-22 14:40:35,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:40:35,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:40:35,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:40:35,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:40:35,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:40:24" (1/3) ... [2021-12-22 14:40:35,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd81e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:35, skipping insertion in model container [2021-12-22 14:40:35,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:25" (2/3) ... [2021-12-22 14:40:35,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd81e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:35, skipping insertion in model container [2021-12-22 14:40:35,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:35" (3/3) ... [2021-12-22 14:40:35,151 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2021-12-22 14:40:35,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:40:35,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:40:35,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:40:35,197 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:40:35,197 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:40:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 188 states have (on average 1.398936170212766) internal successors, (263), 194 states have internal predecessors, (263), 36 states have call successors, (36), 14 states have call predecessors, (36), 13 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-22 14:40:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-22 14:40:35,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:35,217 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 14:40:35,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:35,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash 721078938, now seen corresponding path program 1 times [2021-12-22 14:40:35,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:35,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806308627] [2021-12-22 14:40:35,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:35,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:35,233 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) [2021-12-22 14:40:35,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-22 14:40:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:35,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 14:40:35,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 14:40:35,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:35,955 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:35,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806308627] [2021-12-22 14:40:35,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806308627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:35,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:35,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:40:35,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782576385] [2021-12-22 14:40:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:35,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:40:35,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:40:35,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:40:35,995 INFO L87 Difference]: Start difference. First operand has 239 states, 188 states have (on average 1.398936170212766) internal successors, (263), 194 states have internal predecessors, (263), 36 states have call successors, (36), 14 states have call predecessors, (36), 13 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-22 14:40:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:36,158 INFO L93 Difference]: Finished difference Result 476 states and 682 transitions. [2021-12-22 14:40:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:40:36,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2021-12-22 14:40:36,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:36,168 INFO L225 Difference]: With dead ends: 476 [2021-12-22 14:40:36,168 INFO L226 Difference]: Without dead ends: 229 [2021-12-22 14:40:36,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:36,174 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 2 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 966 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 [2021-12-22 14:40:36,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 966 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:40:36,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-12-22 14:40:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-12-22 14:40:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 184 states have (on average 1.358695652173913) internal successors, (250), 184 states have internal predecessors, (250), 32 states have call successors, (32), 13 states have call predecessors, (32), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:40:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 313 transitions. [2021-12-22 14:40:36,215 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 313 transitions. Word has length 42 [2021-12-22 14:40:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:36,216 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 313 transitions. [2021-12-22 14:40:36,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-22 14:40:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 313 transitions. [2021-12-22 14:40:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-22 14:40:36,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:36,219 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 14:40:36,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-22 14:40:36,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:36,437 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:36,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:36,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1187275936, now seen corresponding path program 1 times [2021-12-22 14:40:36,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:36,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208863457] [2021-12-22 14:40:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:36,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:36,440 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) [2021-12-22 14:40:36,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-22 14:40:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:36,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 14:40:36,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 14:40:37,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:40:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 14:40:37,523 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:37,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208863457] [2021-12-22 14:40:37,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208863457] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:40:37,523 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 14:40:37,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-22 14:40:37,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541855781] [2021-12-22 14:40:37,524 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 14:40:37,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:40:37,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:40:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:40:37,525 INFO L87 Difference]: Start difference. First operand 229 states and 313 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 14:40:37,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:37,847 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2021-12-22 14:40:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 14:40:37,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2021-12-22 14:40:37,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:37,849 INFO L225 Difference]: With dead ends: 456 [2021-12-22 14:40:37,850 INFO L226 Difference]: Without dead ends: 232 [2021-12-22 14:40:37,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:40:37,851 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 9 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:37,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 1850 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:40:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-22 14:40:37,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2021-12-22 14:40:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 187 states have internal predecessors, (253), 32 states have call successors, (32), 13 states have call predecessors, (32), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:40:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 316 transitions. [2021-12-22 14:40:37,864 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 316 transitions. Word has length 44 [2021-12-22 14:40:37,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:37,864 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 316 transitions. [2021-12-22 14:40:37,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 14:40:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 316 transitions. [2021-12-22 14:40:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-22 14:40:37,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:37,873 INFO L514 BasicCegarLoop]: trace histogram [8, 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] [2021-12-22 14:40:37,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-22 14:40:38,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:38,079 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1706437862, now seen corresponding path program 2 times [2021-12-22 14:40:38,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:38,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823123] [2021-12-22 14:40:38,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 14:40:38,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:38,094 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) [2021-12-22 14:40:38,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-22 14:40:38,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-22 14:40:38,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 14:40:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:40:38,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-22 14:40:38,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:38,597 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:38,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823123] [2021-12-22 14:40:38,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:38,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:38,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:40:38,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378004288] [2021-12-22 14:40:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:38,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:40:38,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:38,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:40:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:38,598 INFO L87 Difference]: Start difference. First operand 232 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-22 14:40:40,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:40:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:40,753 INFO L93 Difference]: Finished difference Result 635 states and 876 transitions. [2021-12-22 14:40:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:40:40,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 50 [2021-12-22 14:40:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:40,757 INFO L225 Difference]: With dead ends: 635 [2021-12-22 14:40:40,757 INFO L226 Difference]: Without dead ends: 423 [2021-12-22 14:40:40,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:40,758 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 267 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:40,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 636 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-22 14:40:40,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-12-22 14:40:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2021-12-22 14:40:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 343 states have (on average 1.370262390670554) internal successors, (470), 343 states have internal predecessors, (470), 56 states have call successors, (56), 24 states have call predecessors, (56), 23 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-22 14:40:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 581 transitions. [2021-12-22 14:40:40,780 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 581 transitions. Word has length 50 [2021-12-22 14:40:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:40,780 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 581 transitions. [2021-12-22 14:40:40,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-22 14:40:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 581 transitions. [2021-12-22 14:40:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-22 14:40:40,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:40,782 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 3, 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] [2021-12-22 14:40:40,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:41,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:41,001 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:41,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:41,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1850955474, now seen corresponding path program 1 times [2021-12-22 14:40:41,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:41,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253792487] [2021-12-22 14:40:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:41,003 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:41,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:41,004 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) [2021-12-22 14:40:41,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-22 14:40:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 14:40:41,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-22 14:40:41,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:41,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:41,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253792487] [2021-12-22 14:40:41,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253792487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:41,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:41,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:40:41,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913196554] [2021-12-22 14:40:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:41,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:40:41,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:40:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:41,945 INFO L87 Difference]: Start difference. First operand 423 states and 581 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:40:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:42,302 INFO L93 Difference]: Finished difference Result 1226 states and 1705 transitions. [2021-12-22 14:40:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:40:42,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-22 14:40:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:42,309 INFO L225 Difference]: With dead ends: 1226 [2021-12-22 14:40:42,309 INFO L226 Difference]: Without dead ends: 817 [2021-12-22 14:40:42,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:40:42,314 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 275 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:42,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 1321 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 14:40:42,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-12-22 14:40:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 817. [2021-12-22 14:40:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 664 states have (on average 1.3734939759036144) internal successors, (912), 664 states have internal predecessors, (912), 107 states have call successors, (107), 46 states have call predecessors, (107), 45 states have return successors, (112), 106 states have call predecessors, (112), 106 states have call successors, (112) [2021-12-22 14:40:42,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1131 transitions. [2021-12-22 14:40:42,374 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1131 transitions. Word has length 60 [2021-12-22 14:40:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:42,374 INFO L470 AbstractCegarLoop]: Abstraction has 817 states and 1131 transitions. [2021-12-22 14:40:42,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:40:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1131 transitions. [2021-12-22 14:40:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-22 14:40:42,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:42,382 INFO L514 BasicCegarLoop]: trace histogram [8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:42,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:42,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:42,597 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:42,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1982093192, now seen corresponding path program 1 times [2021-12-22 14:40:42,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:42,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322674679] [2021-12-22 14:40:42,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:42,599 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:42,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:42,600 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) [2021-12-22 14:40:42,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-22 14:40:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:43,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:40:43,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-22 14:40:43,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:43,872 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:43,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322674679] [2021-12-22 14:40:43,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322674679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:43,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:43,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:40:43,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260251957] [2021-12-22 14:40:43,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:43,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:40:43,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:43,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:40:43,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:43,873 INFO L87 Difference]: Start difference. First operand 817 states and 1131 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-12-22 14:40:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:44,132 INFO L93 Difference]: Finished difference Result 1844 states and 2569 transitions. [2021-12-22 14:40:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:40:44,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 134 [2021-12-22 14:40:44,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:44,137 INFO L225 Difference]: With dead ends: 1844 [2021-12-22 14:40:44,137 INFO L226 Difference]: Without dead ends: 1047 [2021-12-22 14:40:44,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:44,139 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 111 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:44,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 598 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 14:40:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-12-22 14:40:44,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1038. [2021-12-22 14:40:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 862 states have (on average 1.3979118329466358) internal successors, (1205), 862 states have internal predecessors, (1205), 120 states have call successors, (120), 56 states have call predecessors, (120), 55 states have return successors, (125), 119 states have call predecessors, (125), 119 states have call successors, (125) [2021-12-22 14:40:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1450 transitions. [2021-12-22 14:40:44,165 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1450 transitions. Word has length 134 [2021-12-22 14:40:44,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:44,165 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 1450 transitions. [2021-12-22 14:40:44,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-12-22 14:40:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1450 transitions. [2021-12-22 14:40:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-22 14:40:44,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:44,169 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:44,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:44,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:44,385 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:44,386 INFO L85 PathProgramCache]: Analyzing trace with hash 888649648, now seen corresponding path program 1 times [2021-12-22 14:40:44,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:44,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115344195] [2021-12-22 14:40:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:44,387 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:44,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:44,388 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) [2021-12-22 14:40:44,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-22 14:40:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:44,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:40:44,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-22 14:40:45,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:45,628 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:45,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115344195] [2021-12-22 14:40:45,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115344195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:45,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:45,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:40:45,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92315650] [2021-12-22 14:40:45,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:45,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:40:45,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:45,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:40:45,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:45,630 INFO L87 Difference]: Start difference. First operand 1038 states and 1450 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 14:40:47,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:40:47,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:47,886 INFO L93 Difference]: Finished difference Result 2758 states and 3855 transitions. [2021-12-22 14:40:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:40:47,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 156 [2021-12-22 14:40:47,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:47,893 INFO L225 Difference]: With dead ends: 2758 [2021-12-22 14:40:47,893 INFO L226 Difference]: Without dead ends: 1751 [2021-12-22 14:40:47,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:40:47,896 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 257 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:47,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 720 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 14:40:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-12-22 14:40:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1742. [2021-12-22 14:40:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1452 states have (on average 1.3836088154269972) internal successors, (2009), 1452 states have internal predecessors, (2009), 194 states have call successors, (194), 96 states have call predecessors, (194), 95 states have return successors, (201), 193 states have call predecessors, (201), 193 states have call successors, (201) [2021-12-22 14:40:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2404 transitions. [2021-12-22 14:40:47,952 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2404 transitions. Word has length 156 [2021-12-22 14:40:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:47,953 INFO L470 AbstractCegarLoop]: Abstraction has 1742 states and 2404 transitions. [2021-12-22 14:40:47,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 14:40:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2404 transitions. [2021-12-22 14:40:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-22 14:40:47,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:47,956 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:47,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-22 14:40:48,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:48,172 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:48,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash 685653102, now seen corresponding path program 1 times [2021-12-22 14:40:48,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:48,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330588567] [2021-12-22 14:40:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:48,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:48,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:48,175 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) [2021-12-22 14:40:48,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-22 14:40:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:48,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-22 14:40:48,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:49,343 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-22 14:40:49,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:49,343 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:49,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330588567] [2021-12-22 14:40:49,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330588567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:49,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:49,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:40:49,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300693174] [2021-12-22 14:40:49,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:49,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:40:49,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:49,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:40:49,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:49,363 INFO L87 Difference]: Start difference. First operand 1742 states and 2404 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 14:40:49,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:49,451 INFO L93 Difference]: Finished difference Result 3507 states and 4868 transitions. [2021-12-22 14:40:49,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:40:49,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2021-12-22 14:40:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:49,459 INFO L225 Difference]: With dead ends: 3507 [2021-12-22 14:40:49,459 INFO L226 Difference]: Without dead ends: 1796 [2021-12-22 14:40:49,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:49,464 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 2 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:49,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1235 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:40:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2021-12-22 14:40:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1782. [2021-12-22 14:40:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1782 states, 1480 states have (on average 1.3763513513513514) internal successors, (2037), 1484 states have internal predecessors, (2037), 194 states have call successors, (194), 96 states have call predecessors, (194), 107 states have return successors, (221), 201 states have call predecessors, (221), 193 states have call successors, (221) [2021-12-22 14:40:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2452 transitions. [2021-12-22 14:40:49,509 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2452 transitions. Word has length 156 [2021-12-22 14:40:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:49,510 INFO L470 AbstractCegarLoop]: Abstraction has 1782 states and 2452 transitions. [2021-12-22 14:40:49,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 14:40:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2452 transitions. [2021-12-22 14:40:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-22 14:40:49,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:49,514 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:49,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-22 14:40:49,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:49,733 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:49,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:49,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1189811930, now seen corresponding path program 1 times [2021-12-22 14:40:49,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:49,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406574634] [2021-12-22 14:40:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:49,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:49,746 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) [2021-12-22 14:40:49,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-22 14:40:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:50,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-22 14:40:50,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-22 14:40:51,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:51,215 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:51,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406574634] [2021-12-22 14:40:51,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406574634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:51,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:51,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 14:40:51,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979973138] [2021-12-22 14:40:51,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:51,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 14:40:51,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:51,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 14:40:51,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:40:51,216 INFO L87 Difference]: Start difference. First operand 1782 states and 2452 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 14:40:52,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:52,233 INFO L93 Difference]: Finished difference Result 3803 states and 5284 transitions. [2021-12-22 14:40:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 14:40:52,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 163 [2021-12-22 14:40:52,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:52,241 INFO L225 Difference]: With dead ends: 3803 [2021-12-22 14:40:52,241 INFO L226 Difference]: Without dead ends: 2052 [2021-12-22 14:40:52,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-22 14:40:52,245 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 43 mSDsluCounter, 2811 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3171 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:52,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 3171 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 14:40:52,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2021-12-22 14:40:52,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1806. [2021-12-22 14:40:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1500 states have (on average 1.366) internal successors, (2049), 1500 states have internal predecessors, (2049), 194 states have call successors, (194), 96 states have call predecessors, (194), 111 states have return successors, (225), 209 states have call predecessors, (225), 193 states have call successors, (225) [2021-12-22 14:40:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2468 transitions. [2021-12-22 14:40:52,287 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2468 transitions. Word has length 163 [2021-12-22 14:40:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:52,287 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2468 transitions. [2021-12-22 14:40:52,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 14:40:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2468 transitions. [2021-12-22 14:40:52,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-22 14:40:52,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:52,291 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-12-22 14:40:52,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-22 14:40:52,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 14:40:52,533 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash 699141421, now seen corresponding path program 1 times [2021-12-22 14:40:52,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 14:40:52,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809262292] [2021-12-22 14:40:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:52,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 14:40:52,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 14:40:52,552 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) [2021-12-22 14:40:52,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-22 14:40:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:53,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-22 14:40:53,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:40:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-22 14:40:54,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:40:54,654 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 14:40:54,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809262292] [2021-12-22 14:40:54,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809262292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:54,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:54,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-22 14:40:54,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849313123] [2021-12-22 14:40:54,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:54,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-22 14:40:54,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 14:40:54,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-22 14:40:54,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-22 14:40:54,655 INFO L87 Difference]: Start difference. First operand 1806 states and 2468 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 10 states have internal predecessors, (98), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17)