./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:45:36,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:45:36,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:45:36,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:45:36,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:45:36,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:45:36,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:45:36,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:45:36,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:45:36,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:45:36,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:45:36,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:45:36,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:45:36,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:45:36,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:45:36,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:45:36,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:45:36,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:45:36,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:45:36,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:45:36,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:45:36,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:45:36,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:45:36,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:45:36,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:45:36,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:45:36,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:45:36,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:45:36,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:45:36,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:45:36,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:45:36,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:45:36,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:45:36,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:45:36,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:45:36,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:45:36,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:45:36,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:45:36,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:45:36,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:45:36,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:45:36,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:45:36,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:45:36,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:45:36,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:45:36,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:45:36,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:45:36,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:45:36,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:45:36,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:45:36,430 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:45:36,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:45:36,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:45:36,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:45:36,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:45:36,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:45:36,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:45:36,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:45:36,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:45:36,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:45:36,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:45:36,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:45:36,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:45:36,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b [2021-12-14 17:45:36,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:45:36,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:45:36,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:45:36,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:45:36,648 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:45:36,649 INFO L432 ainManager$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 [2021-12-14 17:45:36,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993ae6329/8ea4d921a2964dc0833eb7ee4e367c64/FLAG2a63652b3 [2021-12-14 17:45:37,257 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:45:37,258 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 [2021-12-14 17:45:37,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993ae6329/8ea4d921a2964dc0833eb7ee4e367c64/FLAG2a63652b3 [2021-12-14 17:45:37,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993ae6329/8ea4d921a2964dc0833eb7ee4e367c64 [2021-12-14 17:45:37,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:45:37,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:45:37,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:45:37,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:45:37,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:45:37,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:45:37" (1/1) ... [2021-12-14 17:45:37,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f37bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:37, skipping insertion in model container [2021-12-14 17:45:37,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:45:37" (1/1) ... [2021-12-14 17:45:37,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:45:37,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:45:38,328 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] [2021-12-14 17:45:38,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:45:38,584 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:45:38,678 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] [2021-12-14 17:45:38,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:45:38,752 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:45:38,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38 WrapperNode [2021-12-14 17:45:38,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:45:38,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:45:38,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:45:38,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:45:38,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,859 INFO L137 Inliner]: procedures = 101, calls = 368, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 961 [2021-12-14 17:45:38,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:45:38,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:45:38,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:45:38,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:45:38,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:45:38,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:45:38,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:45:38,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:45:38,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (1/1) ... [2021-12-14 17:45:38,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:45:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:45:38,993 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) [2021-12-14 17:45:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:45:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:45:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:45:39,011 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 [2021-12-14 17:45:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:45:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:45:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:45:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-14 17:45:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-14 17:45:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:45:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:45:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:45:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:45:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:45:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:45:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:45:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:45:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:45:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 17:45:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 17:45:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:45:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:45:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:45:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:45:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:45:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:45:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2021-12-14 17:45:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2021-12-14 17:45:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2021-12-14 17:45:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2021-12-14 17:45:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:45:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:45:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 17:45:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 17:45:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:45:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:45:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:45:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:45:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:45:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:45:39,273 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:45:39,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:45:39,414 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:45:40,660 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:45:40,670 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:45:40,670 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:45:40,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:45:40 BoogieIcfgContainer [2021-12-14 17:45:40,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:45:40,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:45:40,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:45:40,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:45:40,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:45:37" (1/3) ... [2021-12-14 17:45:40,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694325c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:45:40, skipping insertion in model container [2021-12-14 17:45:40,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:38" (2/3) ... [2021-12-14 17:45:40,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694325c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:45:40, skipping insertion in model container [2021-12-14 17:45:40,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:45:40" (3/3) ... [2021-12-14 17:45:40,680 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 [2021-12-14 17:45:40,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:45:40,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:45:40,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:45:40,740 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 [2021-12-14 17:45:40,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:45:40,759 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) [2021-12-14 17:45:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-14 17:45:40,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:40,768 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] [2021-12-14 17:45:40,768 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 721078938, now seen corresponding path program 1 times [2021-12-14 17:45:40,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:40,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465367234] [2021-12-14 17:45:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:40,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-14 17:45:41,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:41,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465367234] [2021-12-14 17:45:41,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465367234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:41,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:41,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:45:41,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185533849] [2021-12-14 17:45:41,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:41,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:45:41,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:45:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:45:41,218 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) [2021-12-14 17:45:42,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:45:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:44,313 INFO L93 Difference]: Finished difference Result 786 states and 1178 transitions. [2021-12-14 17:45:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:45:44,315 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 [2021-12-14 17:45:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:44,339 INFO L225 Difference]: With dead ends: 786 [2021-12-14 17:45:44,339 INFO L226 Difference]: Without dead ends: 536 [2021-12-14 17:45:44,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:45:44,353 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 580 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:44,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 986 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 17:45:44,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-12-14 17:45:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 419. [2021-12-14 17:45:44,429 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) [2021-12-14 17:45:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 577 transitions. [2021-12-14 17:45:44,434 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 577 transitions. Word has length 42 [2021-12-14 17:45:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:44,434 INFO L470 AbstractCegarLoop]: Abstraction has 419 states and 577 transitions. [2021-12-14 17:45:44,434 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) [2021-12-14 17:45:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 577 transitions. [2021-12-14 17:45:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-14 17:45:44,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:44,438 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] [2021-12-14 17:45:44,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:45:44,438 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:44,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:44,439 INFO L85 PathProgramCache]: Analyzing trace with hash -36377006, now seen corresponding path program 1 times [2021-12-14 17:45:44,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:44,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162079489] [2021-12-14 17:45:44,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:44,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-14 17:45:44,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:44,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162079489] [2021-12-14 17:45:44,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162079489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:44,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:44,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:45:44,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428746953] [2021-12-14 17:45:44,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:44,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:45:44,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:44,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:45:44,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:45:44,622 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) [2021-12-14 17:45:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:46,313 INFO L93 Difference]: Finished difference Result 1453 states and 2078 transitions. [2021-12-14 17:45:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:45:46,314 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 [2021-12-14 17:45:46,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:46,319 INFO L225 Difference]: With dead ends: 1453 [2021-12-14 17:45:46,319 INFO L226 Difference]: Without dead ends: 1044 [2021-12-14 17:45:46,320 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 [2021-12-14 17:45:46,321 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 606 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:46,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 1620 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 17:45:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2021-12-14 17:45:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 871. [2021-12-14 17:45:46,376 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) [2021-12-14 17:45:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1216 transitions. [2021-12-14 17:45:46,388 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1216 transitions. Word has length 52 [2021-12-14 17:45:46,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:46,388 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1216 transitions. [2021-12-14 17:45:46,389 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) [2021-12-14 17:45:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1216 transitions. [2021-12-14 17:45:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-14 17:45:46,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:46,403 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] [2021-12-14 17:45:46,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:45:46,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:46,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:46,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1655869192, now seen corresponding path program 1 times [2021-12-14 17:45:46,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:46,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279631460] [2021-12-14 17:45:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:46,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:45:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-14 17:45:46,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:46,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279631460] [2021-12-14 17:45:46,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279631460] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:45:46,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740459638] [2021-12-14 17:45:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:46,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:45:46,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:45:46,728 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) [2021-12-14 17:45:46,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 17:45:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:45:47,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:45:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-14 17:45:47,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:45:47,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740459638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:47,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:45:47,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-14 17:45:47,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996516923] [2021-12-14 17:45:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:47,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:45:47,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:47,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:45:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-14 17:45:47,246 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) [2021-12-14 17:45:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:47,316 INFO L93 Difference]: Finished difference Result 2006 states and 2833 transitions. [2021-12-14 17:45:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:45:47,316 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 [2021-12-14 17:45:47,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:47,321 INFO L225 Difference]: With dead ends: 2006 [2021-12-14 17:45:47,322 INFO L226 Difference]: Without dead ends: 1151 [2021-12-14 17:45:47,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-14 17:45:47,329 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 [2021-12-14 17:45:47,334 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] [2021-12-14 17:45:47,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2021-12-14 17:45:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1140. [2021-12-14 17:45:47,376 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) [2021-12-14 17:45:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1603 transitions. [2021-12-14 17:45:47,381 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1603 transitions. Word has length 126 [2021-12-14 17:45:47,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:47,383 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 1603 transitions. [2021-12-14 17:45:47,383 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) [2021-12-14 17:45:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1603 transitions. [2021-12-14 17:45:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-14 17:45:47,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:47,397 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] [2021-12-14 17:45:47,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 17:45:47,611 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 [2021-12-14 17:45:47,611 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:47,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:47,612 INFO L85 PathProgramCache]: Analyzing trace with hash -474001616, now seen corresponding path program 1 times [2021-12-14 17:45:47,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:47,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886135530] [2021-12-14 17:45:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:45:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:45:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-14 17:45:47,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:47,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886135530] [2021-12-14 17:45:47,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886135530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:47,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:47,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:45:47,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428360010] [2021-12-14 17:45:47,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:47,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:45:47,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:45:47,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:45:47,864 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) [2021-12-14 17:45:49,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:45:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:51,300 INFO L93 Difference]: Finished difference Result 3449 states and 4896 transitions. [2021-12-14 17:45:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:45:51,300 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 [2021-12-14 17:45:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:51,309 INFO L225 Difference]: With dead ends: 3449 [2021-12-14 17:45:51,310 INFO L226 Difference]: Without dead ends: 2336 [2021-12-14 17:45:51,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:45:51,316 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 664 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:51,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1532 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-14 17:45:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2021-12-14 17:45:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1902. [2021-12-14 17:45:51,374 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) [2021-12-14 17:45:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2640 transitions. [2021-12-14 17:45:51,381 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2640 transitions. Word has length 148 [2021-12-14 17:45:51,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:51,382 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 2640 transitions. [2021-12-14 17:45:51,382 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) [2021-12-14 17:45:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2640 transitions. [2021-12-14 17:45:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-14 17:45:51,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:51,386 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] [2021-12-14 17:45:51,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:45:51,386 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:51,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:51,387 INFO L85 PathProgramCache]: Analyzing trace with hash -676998162, now seen corresponding path program 1 times [2021-12-14 17:45:51,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:51,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151973354] [2021-12-14 17:45:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:51,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:45:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:45:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-14 17:45:51,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:51,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151973354] [2021-12-14 17:45:51,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151973354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:51,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:51,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 17:45:51,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203398519] [2021-12-14 17:45:51,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:51,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 17:45:51,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:51,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 17:45:51,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:45:51,707 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) [2021-12-14 17:45:54,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:54,524 INFO L93 Difference]: Finished difference Result 4158 states and 5877 transitions. [2021-12-14 17:45:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:45:54,525 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 [2021-12-14 17:45:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:54,535 INFO L225 Difference]: With dead ends: 4158 [2021-12-14 17:45:54,536 INFO L226 Difference]: Without dead ends: 2283 [2021-12-14 17:45:54,540 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 [2021-12-14 17:45:54,541 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 110 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:54,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 1776 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-14 17:45:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2021-12-14 17:45:54,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1902. [2021-12-14 17:45:54,595 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) [2021-12-14 17:45:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2632 transitions. [2021-12-14 17:45:54,602 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2632 transitions. Word has length 148 [2021-12-14 17:45:54,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:54,602 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 2632 transitions. [2021-12-14 17:45:54,602 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) [2021-12-14 17:45:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2632 transitions. [2021-12-14 17:45:54,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-14 17:45:54,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:54,606 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] [2021-12-14 17:45:54,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:45:54,606 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:54,607 INFO L85 PathProgramCache]: Analyzing trace with hash -293871194, now seen corresponding path program 1 times [2021-12-14 17:45:54,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:54,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842896707] [2021-12-14 17:45:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:54,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:45:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:45:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:45:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:45:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-14 17:45:54,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:54,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842896707] [2021-12-14 17:45:54,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842896707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:54,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:54,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-14 17:45:54,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541632183] [2021-12-14 17:45:54,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:54,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-14 17:45:54,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:54,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-14 17:45:54,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-12-14 17:45:54,975 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) [2021-12-14 17:45:56,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:56,759 INFO L93 Difference]: Finished difference Result 4398 states and 6221 transitions. [2021-12-14 17:45:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 17:45:56,760 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 [2021-12-14 17:45:56,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:56,770 INFO L225 Difference]: With dead ends: 4398 [2021-12-14 17:45:56,770 INFO L226 Difference]: Without dead ends: 2523 [2021-12-14 17:45:56,775 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 [2021-12-14 17:45:56,776 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 262 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:56,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 3180 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 17:45:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2021-12-14 17:45:56,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 1918. [2021-12-14 17:45:56,842 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) [2021-12-14 17:45:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2636 transitions. [2021-12-14 17:45:56,852 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2636 transitions. Word has length 155 [2021-12-14 17:45:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:56,853 INFO L470 AbstractCegarLoop]: Abstraction has 1918 states and 2636 transitions. [2021-12-14 17:45:56,853 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) [2021-12-14 17:45:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2636 transitions. [2021-12-14 17:45:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-14 17:45:56,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:56,857 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] [2021-12-14 17:45:56,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 17:45:56,857 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1223252563, now seen corresponding path program 1 times [2021-12-14 17:45:56,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:56,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491824660] [2021-12-14 17:45:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:56,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:45:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 17:45:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:45:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:45:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-14 17:45:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:45:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:45:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-14 17:45:57,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:57,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491824660] [2021-12-14 17:45:57,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491824660] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:45:57,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535189238] [2021-12-14 17:45:57,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:57,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:45:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:45:57,146 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) [2021-12-14 17:45:57,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 17:45:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:57,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-14 17:45:57,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:45:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-14 17:45:57,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:45:57,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535189238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:57,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:45:57,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-12-14 17:45:57,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670902424] [2021-12-14 17:45:57,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:57,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:45:57,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:45:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:45:57,779 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) [2021-12-14 17:45:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:57,831 INFO L93 Difference]: Finished difference Result 3819 states and 5254 transitions. [2021-12-14 17:45:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:45:57,832 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 [2021-12-14 17:45:57,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:57,838 INFO L225 Difference]: With dead ends: 3819 [2021-12-14 17:45:57,839 INFO L226 Difference]: Without dead ends: 1919 [2021-12-14 17:45:57,843 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 [2021-12-14 17:45:57,843 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 [2021-12-14 17:45:57,844 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] [2021-12-14 17:45:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2021-12-14 17:45:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1919. [2021-12-14 17:45:57,889 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) [2021-12-14 17:45:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2637 transitions. [2021-12-14 17:45:57,894 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2637 transitions. Word has length 161 [2021-12-14 17:45:57,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:57,894 INFO L470 AbstractCegarLoop]: Abstraction has 1919 states and 2637 transitions. [2021-12-14 17:45:57,895 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) [2021-12-14 17:45:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2637 transitions. [2021-12-14 17:45:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-14 17:45:57,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:57,898 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] [2021-12-14 17:45:57,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 17:45:58,107 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 [2021-12-14 17:45:58,107 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:58,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:58,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1686704921, now seen corresponding path program 1 times [2021-12-14 17:45:58,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:58,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475882649] [2021-12-14 17:45:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:58,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 17:45:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-14 17:45:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 17:45:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 17:45:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-14 17:45:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:45:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:45:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-14 17:45:58,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:58,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475882649] [2021-12-14 17:45:58,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475882649] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:45:58,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343027786] [2021-12-14 17:45:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:58,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:45:58,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:45:58,442 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) [2021-12-14 17:45:58,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-14 17:45:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:58,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 17:45:58,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:45:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-14 17:45:59,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 17:45:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-14 17:45:59,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343027786] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 17:45:59,539 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 17:45:59,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-14 17:45:59,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860739029] [2021-12-14 17:45:59,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 17:45:59,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-14 17:45:59,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-14 17:45:59,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-14 17:45:59,541 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) [2021-12-14 17:46:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:01,312 INFO L93 Difference]: Finished difference Result 4187 states and 5818 transitions. [2021-12-14 17:46:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 17:46:01,313 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 [2021-12-14 17:46:01,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:01,321 INFO L225 Difference]: With dead ends: 4187 [2021-12-14 17:46:01,321 INFO L226 Difference]: Without dead ends: 2284 [2021-12-14 17:46:01,326 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 [2021-12-14 17:46:01,327 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 274 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:01,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 1449 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 17:46:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2021-12-14 17:46:01,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1922. [2021-12-14 17:46:01,379 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) [2021-12-14 17:46:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2640 transitions. [2021-12-14 17:46:01,384 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2640 transitions. Word has length 163 [2021-12-14 17:46:01,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:01,385 INFO L470 AbstractCegarLoop]: Abstraction has 1922 states and 2640 transitions. [2021-12-14 17:46:01,385 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) [2021-12-14 17:46:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2640 transitions. [2021-12-14 17:46:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-14 17:46:01,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:01,389 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] [2021-12-14 17:46:01,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:01,603 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 [2021-12-14 17:46:01,603 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:01,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:01,604 INFO L85 PathProgramCache]: Analyzing trace with hash 699141421, now seen corresponding path program 2 times [2021-12-14 17:46:01,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:01,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9981321] [2021-12-14 17:46:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:01,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:46:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:46:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 17:46:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:46:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 17:46:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:46:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:46:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:46:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-14 17:46:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:46:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:46:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-14 17:46:02,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:02,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9981321] [2021-12-14 17:46:02,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9981321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:02,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:02,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-14 17:46:02,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446626629] [2021-12-14 17:46:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:02,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-14 17:46:02,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-14 17:46:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2021-12-14 17:46:02,235 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) [2021-12-14 17:46:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:05,362 INFO L93 Difference]: Finished difference Result 4519 states and 6356 transitions. [2021-12-14 17:46:05,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-14 17:46:05,363 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 [2021-12-14 17:46:05,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:05,372 INFO L225 Difference]: With dead ends: 4519 [2021-12-14 17:46:05,372 INFO L226 Difference]: Without dead ends: 2628 [2021-12-14 17:46:05,377 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 [2021-12-14 17:46:05,379 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 362 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 4448 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:05,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 4448 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-14 17:46:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2021-12-14 17:46:05,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1962. [2021-12-14 17:46:05,445 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) [2021-12-14 17:46:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2688 transitions. [2021-12-14 17:46:05,450 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2688 transitions. Word has length 169 [2021-12-14 17:46:05,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:05,450 INFO L470 AbstractCegarLoop]: Abstraction has 1962 states and 2688 transitions. [2021-12-14 17:46:05,450 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) [2021-12-14 17:46:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2688 transitions. [2021-12-14 17:46:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-14 17:46:05,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:05,454 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] [2021-12-14 17:46:05,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 17:46:05,454 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:05,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2025494723, now seen corresponding path program 1 times [2021-12-14 17:46:05,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:05,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75179820] [2021-12-14 17:46:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:05,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 17:46:05,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 17:46:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 17:46:05,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 17:46:05,778 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 17:46:05,778 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 17:46:05,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 17:46:05,782 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:46:05,785 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 17:46:05,803 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-14 17:46:05,805 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-14 17:46:05,812 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,813 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,813 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,813 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,813 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,814 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,814 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,814 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,814 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,814 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-14 17:46:05,816 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,817 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,818 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,819 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,820 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,821 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,821 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,821 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,822 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,823 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,824 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,824 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,824 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,824 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,825 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,826 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,827 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,827 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,827 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,830 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,830 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,830 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,830 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,830 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2021-12-14 17:46:05,831 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2021-12-14 17:46:05,831 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,831 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2021-12-14 17:46:05,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:46:05 BoogieIcfgContainer [2021-12-14 17:46:05,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 17:46:05,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 17:46:05,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 17:46:05,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 17:46:05,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:45:40" (3/4) ... [2021-12-14 17:46:05,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 17:46:05,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 17:46:05,969 INFO L158 Benchmark]: Toolchain (without parser) took 28236.74ms. Allocated memory was 92.3MB in the beginning and 297.8MB in the end (delta: 205.5MB). Free memory was 54.4MB in the beginning and 145.1MB in the end (delta: -90.7MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,969 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 17:46:05,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.02ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 54.4MB in the beginning and 48.9MB in the end (delta: 5.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.18ms. Allocated memory is still 115.3MB. Free memory was 48.9MB in the beginning and 68.7MB in the end (delta: -19.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,970 INFO L158 Benchmark]: Boogie Preprocessor took 99.18ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 62.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,970 INFO L158 Benchmark]: RCFGBuilder took 1712.46ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 62.4MB in the beginning and 140.8MB in the end (delta: -78.3MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,971 INFO L158 Benchmark]: TraceAbstraction took 25290.47ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 140.8MB in the beginning and 145.1MB in the end (delta: -4.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2021-12-14 17:46:05,971 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 297.8MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 17:46:05,973 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 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.02ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 54.4MB in the beginning and 48.9MB in the end (delta: 5.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.18ms. Allocated memory is still 115.3MB. Free memory was 48.9MB in the beginning and 68.7MB in the end (delta: -19.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.18ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 62.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1712.46ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 62.4MB in the beginning and 140.8MB in the end (delta: -78.3MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25290.47ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 140.8MB in the beginning and 145.1MB in the end (delta: -4.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 297.8MB. Free memory is still 145.1MB. 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_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_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_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_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_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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_src#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_dest#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_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_#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_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 * 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={27:0}, 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={27:0}, 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={27:0}, 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={27:0}, 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={27:0}, 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={27:0}, ldvarg3={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={27:0}, 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={27:0}, 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={27:0}, 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={27:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, ldv_func_arg2={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={4294967304:4294967313}, count=2, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={4294967319:-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={4294967319:-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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, count=2, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={4294967319:-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={4294967319:-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={4294967304:4294967313}, count=2, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={4294967319:-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={4294967319:-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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, calloc(1UL, size)={-18446744073709551617:0}, 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={-18446744073709551617:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551617:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, calloc(1UL, size)={-18446744073709551617:0}, 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={-18446744073709551617:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L5615] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551617:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __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={4294967304:4294967313}, calloc(1UL, size)={-18446744073709551617:0}, 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={-18446744073709551617:0}, products={22:0}, ref_cnt=0, set_impl={24:0}, size=248, tmp={-18446744073709551617:0}, 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={4294967304:4294967313}, 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 ))={-18446744073709551617:0}, 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={4294967304:4294967313}, 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={-18446744073709551617:0}, tmp___7={-18446744073709551617:0}, 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={4294967304:4294967313}, e={-18446744073709551617:0}, e={-18446744073709551617:0}, 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={4294967304:4294967313}, e={-18446744073709551617:0}, e={-18446744073709551617:0}, 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={4294967304:4294967313}, e={-18446744073709551617:0}, e={-18446744073709551617:0}, 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={4294967304:4294967313}, e={-18446744073709551617:0}, e={-18446744073709551617:0}, 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={-18446744073709551617:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __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={4294967304:4294967313}, 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={-18446744073709551617:0}, tmp___7={-18446744073709551617:0}, 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={4294967304:4294967313}, 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()={-18446744073709551617:0}, 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={4294967304:4294967313}, 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={-18446744073709551617:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={-18446744073709551617:0}, 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={-18446744073709551617:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __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={4294967304:4294967313}, 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={-18446744073709551617:0}, 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={4294967304:4294967313}, count=2, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:-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={4294967304:4294967313}, arg0={-18446744073709551617:0}, 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={4294967304:4294967313}, arg0={-18446744073709551617:0}, arg0={-18446744073709551617:0}, 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={4294967304:4294967313}, count=2, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:-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={4294967304:4294967313}, count=1, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, count=1, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, count=1, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, count=1, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, count=1, descriptor={29:0}, descriptor___0={30:0}, descriptor___1={25:0}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, 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={-18446744073709551617:0}, header={4294967319:-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={4294967319:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={27:0}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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={4294967304:4294967313}, 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: 25.1s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3123 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2985 mSDsluCounter, 16509 SdHoareTripleChecker+Invalid, 15.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13428 mSDsCounter, 1273 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5027 IncrementalHoareTripleChecker+Invalid, 6300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1273 mSolverCounterUnsat, 3081 mSDtfsCounter, 5027 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, 1.2s 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, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1792 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1764 ConstructedInterpolants, 0 QuantifiedInterpolants, 3656 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4343 ConjunctsInSsa, 15 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 [2021-12-14 17:46:06,046 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:46:07,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:46:07,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:46:07,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:46:07,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:46:07,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:46:07,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:46:07,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:46:07,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:46:07,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:46:07,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:46:07,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:46:07,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:46:07,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:46:07,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:46:07,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:46:07,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:46:07,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:46:07,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:46:07,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:46:07,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:46:07,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:46:07,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:46:07,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:46:07,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:46:07,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:46:07,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:46:07,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:46:07,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:46:07,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:46:07,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:46:07,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:46:07,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:46:07,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:46:07,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:46:07,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:46:07,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:46:07,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:46:07,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:46:07,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:46:07,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:46:07,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-14 17:46:07,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:46:07,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:46:07,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:46:07,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:46:07,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:46:07,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:46:07,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:46:07,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:46:07,698 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:46:07,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:46:07,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:46:07,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:46:07,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:46:07,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:46:07,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:46:07,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:07,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:46:07,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:46:07,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:46:07,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 17:46:07,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef92dd0c18fa389aa454198685fbcc052698924a127f9f39b737e9548a23680b [2021-12-14 17:46:07,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:46:08,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:46:08,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:46:08,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:46:08,012 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:46:08,013 INFO L432 ainManager$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 [2021-12-14 17:46:08,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217b2e9d4/256283ce2467463fb20fbe16bd670a8a/FLAG2c9cb598e [2021-12-14 17:46:08,614 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:46:08,615 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 [2021-12-14 17:46:08,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217b2e9d4/256283ce2467463fb20fbe16bd670a8a/FLAG2c9cb598e [2021-12-14 17:46:08,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217b2e9d4/256283ce2467463fb20fbe16bd670a8a [2021-12-14 17:46:08,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:46:08,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:46:08,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:08,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:46:08,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:46:08,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:08" (1/1) ... [2021-12-14 17:46:08,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca4bce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:08, skipping insertion in model container [2021-12-14 17:46:08,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:08" (1/1) ... [2021-12-14 17:46:08,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:46:08,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:46:09,410 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] [2021-12-14 17:46:09,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:09,649 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-14 17:46:09,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:46:09,771 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] [2021-12-14 17:46:09,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:09,815 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:46:09,906 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] [2021-12-14 17:46:09,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:09,991 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:46:09,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09 WrapperNode [2021-12-14 17:46:09,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:09,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:09,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:46:09,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:46:09,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,081 INFO L137 Inliner]: procedures = 115, calls = 368, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 932 [2021-12-14 17:46:10,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:10,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:46:10,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:46:10,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:46:10,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:46:10,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:46:10,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:46:10,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:46:10,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (1/1) ... [2021-12-14 17:46:10,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:46:10,231 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) [2021-12-14 17:46:10,237 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 [2021-12-14 17:46:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-14 17:46:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:46:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-14 17:46:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-14 17:46:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:46:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:46:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:46:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:46:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:46:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:46:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:46:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:46:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 17:46:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 17:46:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-14 17:46:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-14 17:46:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-14 17:46:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-14 17:46:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:46:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:46:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:46:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:46:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:46:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:46:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-14 17:46:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2021-12-14 17:46:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2021-12-14 17:46:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-14 17:46:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:46:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-14 17:46:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-14 17:46:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-14 17:46:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 17:46:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 17:46:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-14 17:46:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:46:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:46:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:46:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:46:10,555 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:46:10,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:46:10,727 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:46:19,694 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:46:19,700 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:46:19,700 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:46:19,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:19 BoogieIcfgContainer [2021-12-14 17:46:19,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:46:19,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:46:19,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:46:19,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:46:19,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:46:08" (1/3) ... [2021-12-14 17:46:19,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa6a7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:19, skipping insertion in model container [2021-12-14 17:46:19,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:09" (2/3) ... [2021-12-14 17:46:19,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa6a7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:19, skipping insertion in model container [2021-12-14 17:46:19,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:19" (3/3) ... [2021-12-14 17:46:19,707 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 [2021-12-14 17:46:19,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:46:19,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:46:19,741 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:46:19,745 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 [2021-12-14 17:46:19,745 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:46:19,759 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) [2021-12-14 17:46:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-14 17:46:19,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:19,765 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] [2021-12-14 17:46:19,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:19,769 INFO L85 PathProgramCache]: Analyzing trace with hash 721078938, now seen corresponding path program 1 times [2021-12-14 17:46:19,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:19,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609994133] [2021-12-14 17:46:19,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:19,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:19,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:19,781 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) [2021-12-14 17:46:19,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-14 17:46:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:20,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-14 17:46:20,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 17:46:20,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:20,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:20,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609994133] [2021-12-14 17:46:20,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609994133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:20,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:20,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:46:20,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930533223] [2021-12-14 17:46:20,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:20,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:46:20,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:20,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:46:20,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:46:20,496 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) [2021-12-14 17:46:20,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:20,641 INFO L93 Difference]: Finished difference Result 476 states and 682 transitions. [2021-12-14 17:46:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:46:20,645 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 [2021-12-14 17:46:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:20,652 INFO L225 Difference]: With dead ends: 476 [2021-12-14 17:46:20,652 INFO L226 Difference]: Without dead ends: 229 [2021-12-14 17:46:20,665 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 [2021-12-14 17:46:20,669 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 [2021-12-14 17:46:20,669 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] [2021-12-14 17:46:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-12-14 17:46:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-12-14 17:46:20,741 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) [2021-12-14 17:46:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 313 transitions. [2021-12-14 17:46:20,750 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 313 transitions. Word has length 42 [2021-12-14 17:46:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:20,751 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 313 transitions. [2021-12-14 17:46:20,751 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) [2021-12-14 17:46:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 313 transitions. [2021-12-14 17:46:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-14 17:46:20,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:20,754 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] [2021-12-14 17:46:20,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:20,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:20,954 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1187275936, now seen corresponding path program 1 times [2021-12-14 17:46:20,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:20,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186505437] [2021-12-14 17:46:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:20,958 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:20,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:20,961 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) [2021-12-14 17:46:20,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-14 17:46:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:21,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 17:46:21,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-14 17:46:21,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 17:46:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-14 17:46:22,116 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:22,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186505437] [2021-12-14 17:46:22,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186505437] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 17:46:22,116 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-14 17:46:22,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-14 17:46:22,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159825654] [2021-12-14 17:46:22,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-14 17:46:22,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:46:22,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:22,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:46:22,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:46:22,118 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) [2021-12-14 17:46:22,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:22,475 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2021-12-14 17:46:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 17:46:22,476 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 [2021-12-14 17:46:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:22,478 INFO L225 Difference]: With dead ends: 456 [2021-12-14 17:46:22,478 INFO L226 Difference]: Without dead ends: 232 [2021-12-14 17:46:22,479 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 [2021-12-14 17:46:22,480 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, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:22,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 1850 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 17:46:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-14 17:46:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2021-12-14 17:46:22,488 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) [2021-12-14 17:46:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 316 transitions. [2021-12-14 17:46:22,490 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 316 transitions. Word has length 44 [2021-12-14 17:46:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:22,490 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 316 transitions. [2021-12-14 17:46:22,490 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) [2021-12-14 17:46:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 316 transitions. [2021-12-14 17:46:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-14 17:46:22,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:22,492 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] [2021-12-14 17:46:22,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:22,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:22,704 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:22,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:22,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1706437862, now seen corresponding path program 2 times [2021-12-14 17:46:22,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:22,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048863565] [2021-12-14 17:46:22,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 17:46:22,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:22,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:22,706 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) [2021-12-14 17:46:22,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-14 17:46:22,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-14 17:46:22,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 17:46:23,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:46:23,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-14 17:46:23,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:23,177 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:23,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048863565] [2021-12-14 17:46:23,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048863565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:23,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:23,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:46:23,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490029890] [2021-12-14 17:46:23,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:23,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:46:23,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:46:23,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:46:23,178 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) [2021-12-14 17:46:25,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:25,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:25,359 INFO L93 Difference]: Finished difference Result 635 states and 876 transitions. [2021-12-14 17:46:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:46:25,360 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 [2021-12-14 17:46:25,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:25,363 INFO L225 Difference]: With dead ends: 635 [2021-12-14 17:46:25,363 INFO L226 Difference]: Without dead ends: 423 [2021-12-14 17:46:25,364 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 [2021-12-14 17:46:25,364 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, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:25,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 636 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 17:46:25,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-12-14 17:46:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2021-12-14 17:46:25,383 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) [2021-12-14 17:46:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 581 transitions. [2021-12-14 17:46:25,385 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 581 transitions. Word has length 50 [2021-12-14 17:46:25,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:25,385 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 581 transitions. [2021-12-14 17:46:25,386 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) [2021-12-14 17:46:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 581 transitions. [2021-12-14 17:46:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-14 17:46:25,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:25,392 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] [2021-12-14 17:46:25,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:25,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:25,607 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:25,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1850955474, now seen corresponding path program 1 times [2021-12-14 17:46:25,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:25,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647553115] [2021-12-14 17:46:25,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:25,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:25,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:25,610 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) [2021-12-14 17:46:25,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-14 17:46:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:26,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 17:46:26,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-14 17:46:26,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:26,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:26,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647553115] [2021-12-14 17:46:26,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647553115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:26,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:26,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:46:26,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656474559] [2021-12-14 17:46:26,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:26,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:46:26,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:26,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:46:26,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:46:26,597 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) [2021-12-14 17:46:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:26,889 INFO L93 Difference]: Finished difference Result 1226 states and 1705 transitions. [2021-12-14 17:46:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:46:26,890 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 [2021-12-14 17:46:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:26,895 INFO L225 Difference]: With dead ends: 1226 [2021-12-14 17:46:26,895 INFO L226 Difference]: Without dead ends: 817 [2021-12-14 17:46:26,896 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 [2021-12-14 17:46:26,897 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 [2021-12-14 17:46:26,897 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] [2021-12-14 17:46:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-12-14 17:46:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 817. [2021-12-14 17:46:26,931 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) [2021-12-14 17:46:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1131 transitions. [2021-12-14 17:46:26,936 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1131 transitions. Word has length 60 [2021-12-14 17:46:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:26,937 INFO L470 AbstractCegarLoop]: Abstraction has 817 states and 1131 transitions. [2021-12-14 17:46:26,937 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) [2021-12-14 17:46:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1131 transitions. [2021-12-14 17:46:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-14 17:46:26,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:26,943 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] [2021-12-14 17:46:26,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:27,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:27,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1982093192, now seen corresponding path program 1 times [2021-12-14 17:46:27,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:27,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798861714] [2021-12-14 17:46:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:27,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:27,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:27,158 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) [2021-12-14 17:46:27,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-14 17:46:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:27,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:46:27,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-14 17:46:28,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:28,247 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:28,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798861714] [2021-12-14 17:46:28,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798861714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:28,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:28,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:46:28,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462417892] [2021-12-14 17:46:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:28,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:46:28,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:46:28,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:46:28,250 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) [2021-12-14 17:46:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:28,578 INFO L93 Difference]: Finished difference Result 1844 states and 2569 transitions. [2021-12-14 17:46:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:46:28,578 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 [2021-12-14 17:46:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:28,586 INFO L225 Difference]: With dead ends: 1844 [2021-12-14 17:46:28,586 INFO L226 Difference]: Without dead ends: 1047 [2021-12-14 17:46:28,589 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 [2021-12-14 17:46:28,592 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:28,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 598 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 17:46:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-12-14 17:46:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1038. [2021-12-14 17:46:28,663 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) [2021-12-14 17:46:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1450 transitions. [2021-12-14 17:46:28,673 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1450 transitions. Word has length 134 [2021-12-14 17:46:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:28,679 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 1450 transitions. [2021-12-14 17:46:28,680 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) [2021-12-14 17:46:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1450 transitions. [2021-12-14 17:46:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 17:46:28,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:28,688 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] [2021-12-14 17:46:28,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:28,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:28,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:28,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:28,908 INFO L85 PathProgramCache]: Analyzing trace with hash 888649648, now seen corresponding path program 1 times [2021-12-14 17:46:28,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:28,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560133830] [2021-12-14 17:46:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:28,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:28,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:28,916 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) [2021-12-14 17:46:28,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-14 17:46:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:29,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:46:29,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-14 17:46:30,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:30,295 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:30,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560133830] [2021-12-14 17:46:30,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560133830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:30,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:30,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:46:30,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082505818] [2021-12-14 17:46:30,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:30,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:46:30,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:30,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:46:30,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:46:30,297 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) [2021-12-14 17:46:32,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:32,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:32,668 INFO L93 Difference]: Finished difference Result 2758 states and 3855 transitions. [2021-12-14 17:46:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:46:32,668 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 [2021-12-14 17:46:32,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:32,677 INFO L225 Difference]: With dead ends: 2758 [2021-12-14 17:46:32,678 INFO L226 Difference]: Without dead ends: 1751 [2021-12-14 17:46:32,681 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 [2021-12-14 17:46:32,683 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 257 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:32,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 720 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-14 17:46:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-12-14 17:46:32,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1742. [2021-12-14 17:46:32,760 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) [2021-12-14 17:46:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2404 transitions. [2021-12-14 17:46:32,769 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2404 transitions. Word has length 156 [2021-12-14 17:46:32,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:32,769 INFO L470 AbstractCegarLoop]: Abstraction has 1742 states and 2404 transitions. [2021-12-14 17:46:32,769 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) [2021-12-14 17:46:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2404 transitions. [2021-12-14 17:46:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 17:46:32,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:32,774 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] [2021-12-14 17:46:32,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:32,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:32,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:32,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash 685653102, now seen corresponding path program 1 times [2021-12-14 17:46:32,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:32,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107095242] [2021-12-14 17:46:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:32,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:32,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:32,998 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) [2021-12-14 17:46:33,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-14 17:46:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:33,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-14 17:46:33,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-14 17:46:34,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:34,120 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:34,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107095242] [2021-12-14 17:46:34,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107095242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:34,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:34,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:46:34,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004997999] [2021-12-14 17:46:34,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:34,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:46:34,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:34,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:46:34,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:46:34,121 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) [2021-12-14 17:46:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:34,209 INFO L93 Difference]: Finished difference Result 3507 states and 4868 transitions. [2021-12-14 17:46:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:46:34,210 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 [2021-12-14 17:46:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:34,217 INFO L225 Difference]: With dead ends: 3507 [2021-12-14 17:46:34,217 INFO L226 Difference]: Without dead ends: 1796 [2021-12-14 17:46:34,220 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 [2021-12-14 17:46:34,221 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 2 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2021-12-14 17:46:34,221 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] [2021-12-14 17:46:34,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2021-12-14 17:46:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1782. [2021-12-14 17:46:34,279 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) [2021-12-14 17:46:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2452 transitions. [2021-12-14 17:46:34,285 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2452 transitions. Word has length 156 [2021-12-14 17:46:34,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:34,287 INFO L470 AbstractCegarLoop]: Abstraction has 1782 states and 2452 transitions. [2021-12-14 17:46:34,287 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) [2021-12-14 17:46:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2452 transitions. [2021-12-14 17:46:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-14 17:46:34,290 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:34,290 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] [2021-12-14 17:46:34,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-14 17:46:34,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 17:46:34,511 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:34,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1189811930, now seen corresponding path program 1 times [2021-12-14 17:46:34,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 17:46:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429579826] [2021-12-14 17:46:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:34,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 17:46:34,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 17:46:34,515 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) [2021-12-14 17:46:34,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-14 17:46:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:35,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-14 17:46:35,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:46:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-14 17:46:35,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:46:35,982 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 17:46:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429579826] [2021-12-14 17:46:35,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429579826] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:35,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:35,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-14 17:46:35,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408183282] [2021-12-14 17:46:35,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:35,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 17:46:35,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 17:46:35,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 17:46:35,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:46:35,983 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)