./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.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 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:15:11,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:15:11,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:15:11,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:15:11,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:15:11,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:15:11,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:15:11,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:15:11,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:15:11,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:15:11,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:15:11,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:15:11,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:15:11,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:15:11,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:15:11,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:15:11,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:15:11,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:15:11,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:15:11,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:15:11,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:15:11,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:15:11,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:15:11,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:15:11,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:15:11,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:15:11,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:15:11,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:15:11,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:15:11,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:15:11,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:15:11,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:15:11,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:15:11,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:15:11,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:15:11,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:15:11,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:15:11,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:15:11,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:15:11,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:15:11,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:15:11,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:15:11,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:15:11,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:15:11,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:15:11,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:15:11,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:15:11,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:15:11,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:15:11,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:15:11,608 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:15:11,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:15:11,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:15:11,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:15:11,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:15:11,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:15:11,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:15:11,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:15:11,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:15:11,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:15:11,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:15:11,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:15:11,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:15:11,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:15:11,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:15:11,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2021-12-28 05:15:11,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:15:11,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:15:11,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:15:11,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:15:11,863 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:15:11,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:15:11,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98a2bf48/34ad2d930bd64e0280c8a380aa00dcb4/FLAGd7299bb5e [2021-12-28 05:15:12,695 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:15:12,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:15:12,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98a2bf48/34ad2d930bd64e0280c8a380aa00dcb4/FLAGd7299bb5e [2021-12-28 05:15:12,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98a2bf48/34ad2d930bd64e0280c8a380aa00dcb4 [2021-12-28 05:15:12,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:15:12,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:15:12,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:15:12,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:15:12,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:15:12,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:15:12" (1/1) ... [2021-12-28 05:15:12,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14920d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:12, skipping insertion in model container [2021-12-28 05:15:12,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:15:12" (1/1) ... [2021-12-28 05:15:12,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:15:13,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:15:16,228 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-12-28 05:15:16,230 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-12-28 05:15:16,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:15:16,287 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:15:16,649 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-12-28 05:15:16,649 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-12-28 05:15:16,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:15:16,894 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:15:16,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16 WrapperNode [2021-12-28 05:15:16,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:15:16,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:15:16,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:15:16,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:15:16,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,271 INFO L137 Inliner]: procedures = 548, calls = 4413, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8724 [2021-12-28 05:15:17,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:15:17,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:15:17,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:15:17,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:15:17,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:15:17,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:15:17,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:15:17,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:15:17,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (1/1) ... [2021-12-28 05:15:17,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:15:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:15:17,552 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) [2021-12-28 05:15:17,558 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 [2021-12-28 05:15:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2021-12-28 05:15:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2021-12-28 05:15:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:15:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:15:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:15:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:15:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:15:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:15:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-28 05:15:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-28 05:15:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-28 05:15:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-28 05:15:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:15:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:15:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-28 05:15:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-28 05:15:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2021-12-28 05:15:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2021-12-28 05:15:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:15:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:15:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:15:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:15:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-28 05:15:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-28 05:15:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-28 05:15:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-28 05:15:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 05:15:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 05:15:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-28 05:15:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-28 05:15:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:15:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:15:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 05:15:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 05:15:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-28 05:15:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-28 05:15:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-28 05:15:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-28 05:15:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 05:15:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 05:15:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:15:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:15:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-28 05:15:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-28 05:15:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:15:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:15:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-28 05:15:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-28 05:15:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-28 05:15:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-28 05:15:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-28 05:15:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-28 05:15:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:15:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:15:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:15:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:15:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:15:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:15:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 05:15:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 05:15:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:15:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:15:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-28 05:15:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-28 05:15:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:15:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:15:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:15:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:15:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-28 05:15:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-28 05:15:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 05:15:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 05:15:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-28 05:15:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-28 05:15:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:15:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:15:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:15:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-28 05:15:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-28 05:15:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 05:15:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 05:15:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:15:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:15:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-12-28 05:15:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-12-28 05:15:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:15:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:15:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-28 05:15:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-28 05:15:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:15:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-28 05:15:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-28 05:15:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-28 05:15:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-28 05:15:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-28 05:15:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-28 05:15:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:15:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:15:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 05:15:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 05:15:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:15:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:15:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:15:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-28 05:15:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-28 05:15:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:15:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:15:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:15:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-28 05:15:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-28 05:15:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 05:15:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 05:15:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:15:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:15:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:15:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:15:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:15:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:15:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:15:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:15:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:15:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:15:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:15:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:15:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-28 05:15:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-28 05:15:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-28 05:15:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-28 05:15:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-28 05:15:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-28 05:15:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 05:15:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 05:15:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-28 05:15:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-28 05:15:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:15:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:15:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-28 05:15:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-28 05:15:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:15:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-28 05:15:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-28 05:15:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:15:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:15:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:15:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:15:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:15:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:15:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:15:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:15:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 05:15:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 05:15:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:15:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:15:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 05:15:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 05:15:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:15:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:15:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:15:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:15:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 05:15:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 05:15:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-28 05:15:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-28 05:15:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:15:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:15:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-28 05:15:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-28 05:15:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-28 05:15:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-28 05:15:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:15:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:15:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-28 05:15:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-28 05:15:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:15:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:15:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-28 05:15:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-28 05:15:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:15:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:15:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 05:15:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 05:15:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-28 05:15:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-28 05:15:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:15:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:15:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-28 05:15:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-28 05:15:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-28 05:15:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-28 05:15:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 05:15:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 05:15:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 05:15:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 05:15:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-28 05:15:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-28 05:15:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-28 05:15:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-28 05:15:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-28 05:15:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-28 05:15:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-28 05:15:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-28 05:15:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 05:15:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 05:15:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:15:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:15:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-28 05:15:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-28 05:15:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:15:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:15:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:15:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:15:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:15:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:15:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-28 05:15:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-28 05:15:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:15:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:15:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:15:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:15:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 05:15:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 05:15:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:15:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:15:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 05:15:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 05:15:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:15:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-12-28 05:15:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-12-28 05:15:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 05:15:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 05:15:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:15:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:15:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:15:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-28 05:15:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-28 05:15:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-28 05:15:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-28 05:15:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:15:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:15:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:15:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2021-12-28 05:15:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2021-12-28 05:15:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 05:15:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 05:15:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:15:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:15:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:15:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:15:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:15:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:15:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 05:15:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 05:15:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-28 05:15:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-28 05:15:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-28 05:15:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-28 05:15:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-28 05:15:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-28 05:15:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 05:15:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 05:15:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-28 05:15:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-28 05:15:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-28 05:15:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-28 05:15:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:15:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:15:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:15:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:15:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 05:15:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 05:15:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-28 05:15:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-28 05:15:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:15:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:15:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-28 05:15:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-28 05:15:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2021-12-28 05:15:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2021-12-28 05:15:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:15:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-28 05:15:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-28 05:15:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-28 05:15:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-28 05:15:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 05:15:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 05:15:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:15:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:15:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-28 05:15:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-28 05:15:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-28 05:15:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-28 05:15:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-28 05:15:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-28 05:15:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:15:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:15:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-28 05:15:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-28 05:15:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:15:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:15:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-28 05:15:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-28 05:15:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-28 05:15:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-28 05:15:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:15:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:15:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 05:15:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 05:15:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 05:15:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 05:15:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 05:15:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 05:15:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-28 05:15:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-28 05:15:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:15:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:15:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-28 05:15:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-28 05:15:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-28 05:15:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-28 05:15:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:15:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:15:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:15:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 05:15:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 05:15:18,569 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:15:18,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:15:19,949 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:15:23,433 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:15:23,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:15:23,463 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:15:23,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:15:23 BoogieIcfgContainer [2021-12-28 05:15:23,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:15:23,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:15:23,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:15:23,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:15:23,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:15:12" (1/3) ... [2021-12-28 05:15:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52301e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:15:23, skipping insertion in model container [2021-12-28 05:15:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:16" (2/3) ... [2021-12-28 05:15:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52301e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:15:23, skipping insertion in model container [2021-12-28 05:15:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:15:23" (3/3) ... [2021-12-28 05:15:23,471 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:15:23,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:15:23,474 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:15:23,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:15:23,523 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 [2021-12-28 05:15:23,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:15:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 2836 states, 1921 states have (on average 1.3321186881832379) internal successors, (2559), 2007 states have internal predecessors, (2559), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) [2021-12-28 05:15:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-28 05:15:23,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:23,592 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:23,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1481480697, now seen corresponding path program 1 times [2021-12-28 05:15:23,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:23,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160296444] [2021-12-28 05:15:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:23,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:24,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:24,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160296444] [2021-12-28 05:15:24,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160296444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:24,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:24,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:15:24,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781905187] [2021-12-28 05:15:24,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:24,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:15:24,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:24,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:15:24,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:15:24,382 INFO L87 Difference]: Start difference. First operand has 2836 states, 1921 states have (on average 1.3321186881832379) internal successors, (2559), 2007 states have internal predecessors, (2559), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:28,067 INFO L93 Difference]: Finished difference Result 5678 states and 8265 transitions. [2021-12-28 05:15:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:28,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2021-12-28 05:15:28,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:28,096 INFO L225 Difference]: With dead ends: 5678 [2021-12-28 05:15:28,096 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:28,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:28,119 INFO L933 BasicCegarLoop]: 3810 mSDtfsCounter, 3825 mSDsluCounter, 3801 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:28,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4284 Valid, 7611 Invalid, 4388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1454 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 05:15:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.325065963060686) internal successors, (2511), 1975 states have internal predecessors, (2511), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:28,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3971 transitions. [2021-12-28 05:15:28,312 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3971 transitions. Word has length 156 [2021-12-28 05:15:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:28,315 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3971 transitions. [2021-12-28 05:15:28,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3971 transitions. [2021-12-28 05:15:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-28 05:15:28,324 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:28,324 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:28,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:15:28,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash 136817919, now seen corresponding path program 1 times [2021-12-28 05:15:28,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:28,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585417748] [2021-12-28 05:15:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:28,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:29,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:29,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585417748] [2021-12-28 05:15:29,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585417748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:29,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:29,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:29,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2990981] [2021-12-28 05:15:29,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:29,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:29,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:29,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:29,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:29,083 INFO L87 Difference]: Start difference. First operand 2778 states and 3971 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:34,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:34,626 INFO L93 Difference]: Finished difference Result 5572 states and 8044 transitions. [2021-12-28 05:15:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:34,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2021-12-28 05:15:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:34,644 INFO L225 Difference]: With dead ends: 5572 [2021-12-28 05:15:34,644 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:34,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:15:34,661 INFO L933 BasicCegarLoop]: 3735 mSDtfsCounter, 5670 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5670 SdHoareTripleChecker+Valid, 7474 SdHoareTripleChecker+Invalid, 6824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:34,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5670 Valid, 7474 Invalid, 6824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 05:15:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:34,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.324538258575198) internal successors, (2510), 1975 states have internal predecessors, (2510), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3970 transitions. [2021-12-28 05:15:34,796 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3970 transitions. Word has length 157 [2021-12-28 05:15:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:34,797 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3970 transitions. [2021-12-28 05:15:34,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3970 transitions. [2021-12-28 05:15:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-28 05:15:34,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:34,802 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:34,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:15:34,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:34,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:34,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1516461365, now seen corresponding path program 1 times [2021-12-28 05:15:34,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:34,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409245652] [2021-12-28 05:15:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:34,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:35,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:35,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409245652] [2021-12-28 05:15:35,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409245652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:35,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:35,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:35,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139377226] [2021-12-28 05:15:35,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:35,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:35,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:35,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:35,357 INFO L87 Difference]: Start difference. First operand 2778 states and 3970 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:39,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:39,554 INFO L93 Difference]: Finished difference Result 5572 states and 8042 transitions. [2021-12-28 05:15:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:39,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2021-12-28 05:15:39,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:39,572 INFO L225 Difference]: With dead ends: 5572 [2021-12-28 05:15:39,572 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:39,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:15:39,584 INFO L933 BasicCegarLoop]: 3734 mSDtfsCounter, 5666 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 7473 SdHoareTripleChecker+Invalid, 6823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:39,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5666 Valid, 7473 Invalid, 6823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-28 05:15:39,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3240105540897098) internal successors, (2509), 1975 states have internal predecessors, (2509), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3969 transitions. [2021-12-28 05:15:39,690 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3969 transitions. Word has length 158 [2021-12-28 05:15:39,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:39,691 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3969 transitions. [2021-12-28 05:15:39,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3969 transitions. [2021-12-28 05:15:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-28 05:15:39,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:39,694 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:39,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:15:39,694 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:39,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:39,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1450251835, now seen corresponding path program 1 times [2021-12-28 05:15:39,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:39,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456465497] [2021-12-28 05:15:39,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:39,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:40,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:40,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456465497] [2021-12-28 05:15:40,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456465497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:40,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:40,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:40,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48966728] [2021-12-28 05:15:40,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:40,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:40,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:40,145 INFO L87 Difference]: Start difference. First operand 2778 states and 3969 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:44,423 INFO L93 Difference]: Finished difference Result 5572 states and 8040 transitions. [2021-12-28 05:15:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:44,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2021-12-28 05:15:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:44,444 INFO L225 Difference]: With dead ends: 5572 [2021-12-28 05:15:44,444 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:44,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:15:44,463 INFO L933 BasicCegarLoop]: 3732 mSDtfsCounter, 5662 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 6823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:44,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5662 Valid, 7470 Invalid, 6823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-28 05:15:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3234828496042217) internal successors, (2508), 1975 states have internal predecessors, (2508), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3968 transitions. [2021-12-28 05:15:44,610 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3968 transitions. Word has length 159 [2021-12-28 05:15:44,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:44,610 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3968 transitions. [2021-12-28 05:15:44,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3968 transitions. [2021-12-28 05:15:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-28 05:15:44,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:44,617 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:44,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:15:44,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:44,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:44,619 INFO L85 PathProgramCache]: Analyzing trace with hash -487726991, now seen corresponding path program 1 times [2021-12-28 05:15:44,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:44,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462414259] [2021-12-28 05:15:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:44,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:44,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:45,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:45,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462414259] [2021-12-28 05:15:45,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462414259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:45,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:45,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:45,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372123031] [2021-12-28 05:15:45,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:45,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:45,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:45,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:45,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:45,131 INFO L87 Difference]: Start difference. First operand 2778 states and 3968 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:48,279 INFO L93 Difference]: Finished difference Result 5572 states and 8038 transitions. [2021-12-28 05:15:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:48,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2021-12-28 05:15:48,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:48,309 INFO L225 Difference]: With dead ends: 5572 [2021-12-28 05:15:48,309 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:48,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:15:48,322 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 5658 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 6822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:48,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5658 Valid, 7469 Invalid, 6822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-28 05:15:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3229551451187336) internal successors, (2507), 1975 states have internal predecessors, (2507), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3967 transitions. [2021-12-28 05:15:48,469 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3967 transitions. Word has length 160 [2021-12-28 05:15:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:48,470 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3967 transitions. [2021-12-28 05:15:48,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3967 transitions. [2021-12-28 05:15:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-28 05:15:48,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:48,474 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:48,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:15:48,474 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:48,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash -321011849, now seen corresponding path program 1 times [2021-12-28 05:15:48,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:48,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427833594] [2021-12-28 05:15:48,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:48,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:48,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:48,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427833594] [2021-12-28 05:15:48,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427833594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:48,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:48,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:48,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195663524] [2021-12-28 05:15:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:48,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:48,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:48,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:48,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:48,854 INFO L87 Difference]: Start difference. First operand 2778 states and 3967 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:15:52,217 INFO L93 Difference]: Finished difference Result 5572 states and 8036 transitions. [2021-12-28 05:15:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:15:52,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2021-12-28 05:15:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:15:52,231 INFO L225 Difference]: With dead ends: 5572 [2021-12-28 05:15:52,231 INFO L226 Difference]: Without dead ends: 2813 [2021-12-28 05:15:52,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:15:52,242 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 5654 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 6820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:15:52,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 7470 Invalid, 6820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-28 05:15:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-28 05:15:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-28 05:15:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3224274406332455) internal successors, (2506), 1975 states have internal predecessors, (2506), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-28 05:15:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3966 transitions. [2021-12-28 05:15:52,340 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3966 transitions. Word has length 161 [2021-12-28 05:15:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:15:52,340 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3966 transitions. [2021-12-28 05:15:52,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:15:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3966 transitions. [2021-12-28 05:15:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-28 05:15:52,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:52,344 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:15:52,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 05:15:52,344 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash 666706861, now seen corresponding path program 1 times [2021-12-28 05:15:52,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:52,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816434666] [2021-12-28 05:15:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:52,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:15:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:15:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:15:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:15:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:15:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:15:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:15:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:15:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:15:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:15:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:15:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:15:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:15:52,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:52,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816434666] [2021-12-28 05:15:52,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816434666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:52,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:52,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:15:52,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994501168] [2021-12-28 05:15:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:52,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:15:52,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:52,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:15:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:15:52,625 INFO L87 Difference]: Start difference. First operand 2778 states and 3966 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:16:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:16:00,356 INFO L93 Difference]: Finished difference Result 10121 states and 14516 transitions. [2021-12-28 05:16:00,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:16:00,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2021-12-28 05:16:00,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:16:00,414 INFO L225 Difference]: With dead ends: 10121 [2021-12-28 05:16:00,415 INFO L226 Difference]: Without dead ends: 7362 [2021-12-28 05:16:00,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:16:00,429 INFO L933 BasicCegarLoop]: 6834 mSDtfsCounter, 11141 mSDsluCounter, 8023 mSDsCounter, 0 mSdLazyCounter, 7858 mSolverCounterSat, 4996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11959 SdHoareTripleChecker+Valid, 14857 SdHoareTripleChecker+Invalid, 12854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4996 IncrementalHoareTripleChecker+Valid, 7858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:16:00,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11959 Valid, 14857 Invalid, 12854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4996 Valid, 7858 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-28 05:16:00,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2021-12-28 05:16:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7291. [2021-12-28 05:16:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7291 states, 5019 states have (on average 1.3144052600119547) internal successors, (6597), 5229 states have internal predecessors, (6597), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2021-12-28 05:16:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10406 transitions. [2021-12-28 05:16:00,721 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10406 transitions. Word has length 162 [2021-12-28 05:16:00,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:16:00,721 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10406 transitions. [2021-12-28 05:16:00,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:16:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10406 transitions. [2021-12-28 05:16:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-28 05:16:00,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:16:00,725 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:16:00,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 05:16:00,725 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:16:00,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:16:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1335732403, now seen corresponding path program 1 times [2021-12-28 05:16:00,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:16:00,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007376493] [2021-12-28 05:16:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:16:00,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:16:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:16:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:16:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:16:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:16:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:16:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:16:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:16:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:16:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:16:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:16:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:16:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:16:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:16:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:16:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:16:01,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:16:01,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007376493] [2021-12-28 05:16:01,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007376493] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:16:01,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:16:01,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:16:01,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664154449] [2021-12-28 05:16:01,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:16:01,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:16:01,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:16:01,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:16:01,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:16:01,025 INFO L87 Difference]: Start difference. First operand 7291 states and 10406 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:16:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:16:05,347 INFO L93 Difference]: Finished difference Result 14627 states and 21100 transitions. [2021-12-28 05:16:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:16:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2021-12-28 05:16:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:16:05,386 INFO L225 Difference]: With dead ends: 14627 [2021-12-28 05:16:05,386 INFO L226 Difference]: Without dead ends: 7355 [2021-12-28 05:16:05,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:16:05,419 INFO L933 BasicCegarLoop]: 3729 mSDtfsCounter, 5649 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2850 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5649 SdHoareTripleChecker+Valid, 7467 SdHoareTripleChecker+Invalid, 6820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:16:05,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5649 Valid, 7467 Invalid, 6820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2850 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-28 05:16:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-12-28 05:16:05,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 7291. [2021-12-28 05:16:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7291 states, 5019 states have (on average 1.3138075313807531) internal successors, (6594), 5229 states have internal predecessors, (6594), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2021-12-28 05:16:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10403 transitions. [2021-12-28 05:16:05,786 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10403 transitions. Word has length 163 [2021-12-28 05:16:05,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:16:05,787 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10403 transitions. [2021-12-28 05:16:05,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:16:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10403 transitions. [2021-12-28 05:16:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 05:16:05,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:16:05,791 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:16:05,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 05:16:05,791 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:16:05,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:16:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash 715204329, now seen corresponding path program 1 times [2021-12-28 05:16:05,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:16:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840377286] [2021-12-28 05:16:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:16:05,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:16:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:16:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:16:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 05:16:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:16:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:16:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 05:16:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 05:16:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:16:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 05:16:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:16:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:16:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:16:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:16:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 05:16:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 05:16:06,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:16:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840377286] [2021-12-28 05:16:06,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840377286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:16:06,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:16:06,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:16:06,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546456130] [2021-12-28 05:16:06,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:16:06,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:16:06,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:16:06,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:16:06,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:16:06,201 INFO L87 Difference]: Start difference. First operand 7291 states and 10403 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18)