./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:02:54,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:02:54,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:02:54,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:02:54,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:02:54,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:02:54,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:02:54,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:02:54,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:02:54,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:02:54,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:02:54,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:02:54,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:02:54,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:02:54,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:02:54,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:02:54,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:02:54,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:02:54,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:02:54,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:02:54,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:02:54,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:02:54,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:02:54,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:02:54,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:02:54,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:02:54,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:02:54,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:02:54,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:02:54,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:02:54,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:02:54,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:02:54,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:02:54,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:02:54,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:02:54,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:02:54,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:02:54,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:02:54,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:02:54,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:02:54,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:02:54,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:02:54,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:02:54,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:02:54,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:02:54,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:02:54,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:02:54,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:02:54,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:02:54,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:02:54,593 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:02:54,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:02:54,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:02:54,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:02:54,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:02:54,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:02:54,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:02:54,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:02:54,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:02:54,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:02:54,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:02:54,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:02:54,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:02:54,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:02:54,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:02:54,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:02:54,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:02:54,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:02:54,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2021-12-14 19:02:54,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:02:54,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:02:54,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:02:54,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:02:54,861 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:02:54,862 INFO L432 ainManager$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 [2021-12-14 19:02:54,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a60130c/dc59ca2d31c14705aede787b279367b3/FLAGaf0b5c470 [2021-12-14 19:02:55,637 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:02:55,638 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 [2021-12-14 19:02:55,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a60130c/dc59ca2d31c14705aede787b279367b3/FLAGaf0b5c470 [2021-12-14 19:02:56,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a60130c/dc59ca2d31c14705aede787b279367b3 [2021-12-14 19:02:56,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:02:56,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:02:56,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:56,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:02:56,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:02:56,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:56" (1/1) ... [2021-12-14 19:02:56,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a9f77e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:56, skipping insertion in model container [2021-12-14 19:02:56,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:56" (1/1) ... [2021-12-14 19:02:56,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:02:56,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:02:58,954 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] [2021-12-14 19:02:58,957 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] [2021-12-14 19:02:58,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:59,049 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:02:59,396 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] [2021-12-14 19:02:59,397 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] [2021-12-14 19:02:59,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:59,588 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:02:59,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59 WrapperNode [2021-12-14 19:02:59,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:59,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:59,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:02:59,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:02:59,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:02:59,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:02:59,912 INFO L137 Inliner]: procedures = 548, calls = 4413, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8724 [2021-12-14 19:02:59,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:59,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:02:59,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:02:59,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:02:59,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:02:59,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:02:59,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:02:59,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:03:00,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:03:00,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:03:00,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:03:00,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:03:00,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:03:00,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:03:00,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:03:00,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (1/1) ... [2021-12-14 19:03:00,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:03:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:03:00,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 19:03:00,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 19:03:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2021-12-14 19:03:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2021-12-14 19:03:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 19:03:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 19:03:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:03:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:03:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 19:03:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 19:03:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-14 19:03:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-14 19:03:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-14 19:03:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-14 19:03:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 19:03:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 19:03:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-14 19:03:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-14 19:03:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2021-12-14 19:03:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2021-12-14 19:03:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:03:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:03:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 19:03:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 19:03:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-14 19:03:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-14 19:03:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-14 19:03:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-14 19:03:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 19:03:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 19:03:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-14 19:03:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-14 19:03:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:03:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:03:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 19:03:00,441 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 19:03:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 19:03:00,441 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 19:03:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-14 19:03:00,441 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-14 19:03:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 19:03:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 19:03:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 19:03:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 19:03:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-14 19:03:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-14 19:03:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 19:03:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 19:03:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-14 19:03:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-14 19:03:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-14 19:03:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-14 19:03:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-14 19:03:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-14 19:03:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 19:03:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 19:03:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:03:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:03:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 19:03:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 19:03:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 19:03:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 19:03:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:03:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:03:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-14 19:03:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-14 19:03:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 19:03:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 19:03:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:03:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:03:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-14 19:03:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-14 19:03:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 19:03:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 19:03:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-14 19:03:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-14 19:03:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 19:03:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 19:03:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:03:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-14 19:03:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-14 19:03:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 19:03:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 19:03:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:03:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:03:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-12-14 19:03:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-12-14 19:03:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 19:03:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 19:03:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-14 19:03:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-14 19:03:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:03:00,450 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-14 19:03:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-14 19:03:00,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-14 19:03:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-14 19:03:00,450 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-14 19:03:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-14 19:03:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:03:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:03:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 19:03:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 19:03:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 19:03:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 19:03:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:03:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-14 19:03:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-14 19:03:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:03:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:03:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:03:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-14 19:03:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-14 19:03:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 19:03:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 19:03:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:03:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:03:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:03:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:03:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:03:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:03:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:03:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:03:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:03:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:03:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 19:03:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 19:03:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-14 19:03:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-14 19:03:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-14 19:03:00,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-14 19:03:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-14 19:03:00,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-14 19:03:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 19:03:00,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 19:03:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-14 19:03:00,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-14 19:03:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:03:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:03:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-14 19:03:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-14 19:03:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:03:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-14 19:03:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-14 19:03:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 19:03:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:03:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:03:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 19:03:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 19:03:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 19:03:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 19:03:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 19:03:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 19:03:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 19:03:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 19:03:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-14 19:03:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 19:03:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-14 19:03:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-14 19:03:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 19:03:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-14 19:03:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-14 19:03:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 19:03:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 19:03:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-14 19:03:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-14 19:03:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:03:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:03:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 19:03:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 19:03:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-14 19:03:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-14 19:03:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:03:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:03:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-14 19:03:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-14 19:03:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-14 19:03:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-14 19:03:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 19:03:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 19:03:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 19:03:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 19:03:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-14 19:03:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-14 19:03:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-14 19:03:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-14 19:03:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-14 19:03:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-14 19:03:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-14 19:03:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-14 19:03:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 19:03:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 19:03:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:03:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:03:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-14 19:03:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:03:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:03:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-14 19:03:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-14 19:03:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 19:03:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:03:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 19:03:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 19:03:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 19:03:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:03:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-12-14 19:03:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 19:03:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:03:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-14 19:03:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-14 19:03:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-14 19:03:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:03:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:03:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:03:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2021-12-14 19:03:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2021-12-14 19:03:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 19:03:00,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 19:03:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:03:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:03:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:03:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:03:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 19:03:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 19:03:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 19:03:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 19:03:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-14 19:03:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-14 19:03:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-14 19:03:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-14 19:03:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-14 19:03:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 19:03:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-14 19:03:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-14 19:03:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:03:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:03:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 19:03:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-14 19:03:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:03:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-14 19:03:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2021-12-14 19:03:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2021-12-14 19:03:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-14 19:03:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-14 19:03:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 19:03:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:03:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-14 19:03:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-14 19:03:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-14 19:03:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-14 19:03:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-14 19:03:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-14 19:03:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:03:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:03:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-14 19:03:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-14 19:03:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 19:03:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-14 19:03:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-14 19:03:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:03:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 19:03:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 19:03:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 19:03:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-14 19:03:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 19:03:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-14 19:03:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-14 19:03:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-14 19:03:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:03:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:03:00,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:03:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 19:03:00,484 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 19:03:01,267 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:03:01,272 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:03:02,147 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:03:05,476 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:03:05,496 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:03:05,497 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 19:03:05,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:05 BoogieIcfgContainer [2021-12-14 19:03:05,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:03:05,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:03:05,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:03:05,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:03:05,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:02:56" (1/3) ... [2021-12-14 19:03:05,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:05, skipping insertion in model container [2021-12-14 19:03:05,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:59" (2/3) ... [2021-12-14 19:03:05,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:05, skipping insertion in model container [2021-12-14 19:03:05,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:05" (3/3) ... [2021-12-14 19:03:05,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-14 19:03:05,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:03:05,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 19:03:05,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:03:05,545 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 19:03:05,545 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 19:03:05,589 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) [2021-12-14 19:03:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 19:03:05,604 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:05,604 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] [2021-12-14 19:03:05,605 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:05,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1481480697, now seen corresponding path program 1 times [2021-12-14 19:03:05,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:05,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209562181] [2021-12-14 19:03:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:05,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:06,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:06,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209562181] [2021-12-14 19:03:06,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209562181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:06,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:06,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:03:06,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158905707] [2021-12-14 19:03:06,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:06,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:03:06,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:06,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:03:06,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:06,612 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) [2021-12-14 19:03:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:10,275 INFO L93 Difference]: Finished difference Result 5678 states and 8265 transitions. [2021-12-14 19:03:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:10,277 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 [2021-12-14 19:03:10,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:10,326 INFO L225 Difference]: With dead ends: 5678 [2021-12-14 19:03:10,326 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:10,350 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 [2021-12-14 19:03:10,355 INFO L933 BasicCegarLoop]: 3811 mSDtfsCounter, 3825 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4283 SdHoareTripleChecker+Valid, 7613 SdHoareTripleChecker+Invalid, 4389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:10,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4283 Valid, 7613 Invalid, 4389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1454 Valid, 2935 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 19:03:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:10,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:10,539 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) [2021-12-14 19:03:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3971 transitions. [2021-12-14 19:03:10,561 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3971 transitions. Word has length 156 [2021-12-14 19:03:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:10,562 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3971 transitions. [2021-12-14 19:03:10,563 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) [2021-12-14 19:03:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3971 transitions. [2021-12-14 19:03:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-14 19:03:10,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:10,567 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] [2021-12-14 19:03:10,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:03:10,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:10,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:10,569 INFO L85 PathProgramCache]: Analyzing trace with hash 136817919, now seen corresponding path program 1 times [2021-12-14 19:03:10,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:10,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046981013] [2021-12-14 19:03:10,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:10,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:11,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:11,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046981013] [2021-12-14 19:03:11,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046981013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:11,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:11,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:11,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755372543] [2021-12-14 19:03:11,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:11,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:11,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:11,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:11,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:11,148 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) [2021-12-14 19:03:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:15,182 INFO L93 Difference]: Finished difference Result 5572 states and 8044 transitions. [2021-12-14 19:03:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:15,183 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 [2021-12-14 19:03:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:15,194 INFO L225 Difference]: With dead ends: 5572 [2021-12-14 19:03:15,194 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:15,204 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 [2021-12-14 19:03:15,205 INFO L933 BasicCegarLoop]: 3734 mSDtfsCounter, 5670 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5670 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 6825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:15,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5670 Valid, 7472 Invalid, 6825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-14 19:03:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:15,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:15,281 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) [2021-12-14 19:03:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3970 transitions. [2021-12-14 19:03:15,298 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3970 transitions. Word has length 157 [2021-12-14 19:03:15,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:15,298 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3970 transitions. [2021-12-14 19:03:15,298 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) [2021-12-14 19:03:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3970 transitions. [2021-12-14 19:03:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-14 19:03:15,303 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:15,303 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] [2021-12-14 19:03:15,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:03:15,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:15,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1516461365, now seen corresponding path program 1 times [2021-12-14 19:03:15,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:15,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507440279] [2021-12-14 19:03:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:15,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:15,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:15,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507440279] [2021-12-14 19:03:15,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507440279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:15,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:15,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:15,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438832546] [2021-12-14 19:03:15,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:15,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:15,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:15,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:15,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:15,781 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) [2021-12-14 19:03:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:19,743 INFO L93 Difference]: Finished difference Result 5572 states and 8042 transitions. [2021-12-14 19:03:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:19,744 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 [2021-12-14 19:03:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:19,758 INFO L225 Difference]: With dead ends: 5572 [2021-12-14 19:03:19,758 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:19,770 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 [2021-12-14 19:03:19,771 INFO L933 BasicCegarLoop]: 3733 mSDtfsCounter, 5666 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 7471 SdHoareTripleChecker+Invalid, 6824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:19,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5666 Valid, 7471 Invalid, 6824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-14 19:03:19,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:19,849 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) [2021-12-14 19:03:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3969 transitions. [2021-12-14 19:03:19,861 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3969 transitions. Word has length 158 [2021-12-14 19:03:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:19,861 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3969 transitions. [2021-12-14 19:03:19,862 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) [2021-12-14 19:03:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3969 transitions. [2021-12-14 19:03:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-14 19:03:19,865 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:19,865 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] [2021-12-14 19:03:19,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:03:19,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:19,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:19,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1450251835, now seen corresponding path program 1 times [2021-12-14 19:03:19,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:19,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950981102] [2021-12-14 19:03:19,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:19,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:20,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:20,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950981102] [2021-12-14 19:03:20,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950981102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:20,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:20,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:20,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23448205] [2021-12-14 19:03:20,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:20,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:20,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:20,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:20,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:20,251 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) [2021-12-14 19:03:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:24,500 INFO L93 Difference]: Finished difference Result 5572 states and 8040 transitions. [2021-12-14 19:03:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:24,501 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 [2021-12-14 19:03:24,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:24,518 INFO L225 Difference]: With dead ends: 5572 [2021-12-14 19:03:24,518 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:24,532 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 [2021-12-14 19:03:24,533 INFO L933 BasicCegarLoop]: 3732 mSDtfsCounter, 5662 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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 [2021-12-14 19:03:24,533 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] [2021-12-14 19:03:24,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:24,631 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) [2021-12-14 19:03:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3968 transitions. [2021-12-14 19:03:24,642 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3968 transitions. Word has length 159 [2021-12-14 19:03:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:24,643 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3968 transitions. [2021-12-14 19:03:24,643 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) [2021-12-14 19:03:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3968 transitions. [2021-12-14 19:03:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-14 19:03:24,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:24,646 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] [2021-12-14 19:03:24,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:03:24,647 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:24,648 INFO L85 PathProgramCache]: Analyzing trace with hash -487726991, now seen corresponding path program 1 times [2021-12-14 19:03:24,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:24,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068042145] [2021-12-14 19:03:24,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:24,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:25,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:25,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068042145] [2021-12-14 19:03:25,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068042145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:25,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:25,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:25,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36910422] [2021-12-14 19:03:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:25,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:25,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:25,047 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) [2021-12-14 19:03:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:29,221 INFO L93 Difference]: Finished difference Result 5572 states and 8038 transitions. [2021-12-14 19:03:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:29,222 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 [2021-12-14 19:03:29,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:29,238 INFO L225 Difference]: With dead ends: 5572 [2021-12-14 19:03:29,238 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:29,251 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 [2021-12-14 19:03:29,252 INFO L933 BasicCegarLoop]: 3732 mSDtfsCounter, 5658 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 7471 SdHoareTripleChecker+Invalid, 6821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:29,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5658 Valid, 7471 Invalid, 6821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-14 19:03:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:29,343 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) [2021-12-14 19:03:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3967 transitions. [2021-12-14 19:03:29,356 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3967 transitions. Word has length 160 [2021-12-14 19:03:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:29,357 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3967 transitions. [2021-12-14 19:03:29,357 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) [2021-12-14 19:03:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3967 transitions. [2021-12-14 19:03:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-14 19:03:29,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:29,361 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] [2021-12-14 19:03:29,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 19:03:29,362 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:29,363 INFO L85 PathProgramCache]: Analyzing trace with hash -321011849, now seen corresponding path program 1 times [2021-12-14 19:03:29,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:29,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317354094] [2021-12-14 19:03:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:29,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:29,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317354094] [2021-12-14 19:03:29,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317354094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:29,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:29,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:29,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907135509] [2021-12-14 19:03:29,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:29,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:29,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:29,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:29,818 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) [2021-12-14 19:03:33,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:33,500 INFO L93 Difference]: Finished difference Result 5572 states and 8036 transitions. [2021-12-14 19:03:33,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:33,501 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 [2021-12-14 19:03:33,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:33,519 INFO L225 Difference]: With dead ends: 5572 [2021-12-14 19:03:33,519 INFO L226 Difference]: Without dead ends: 2813 [2021-12-14 19:03:33,530 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 [2021-12-14 19:03:33,532 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 5654 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:33,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 7470 Invalid, 6820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:03:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-14 19:03:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-14 19:03:33,632 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) [2021-12-14 19:03:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3966 transitions. [2021-12-14 19:03:33,642 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3966 transitions. Word has length 161 [2021-12-14 19:03:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:33,642 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3966 transitions. [2021-12-14 19:03:33,643 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) [2021-12-14 19:03:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3966 transitions. [2021-12-14 19:03:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-14 19:03:33,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:33,646 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] [2021-12-14 19:03:33,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 19:03:33,647 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash 666706861, now seen corresponding path program 1 times [2021-12-14 19:03:33,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:33,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102220327] [2021-12-14 19:03:33,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:33,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:34,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:34,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102220327] [2021-12-14 19:03:34,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102220327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:34,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:34,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:34,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82977698] [2021-12-14 19:03:34,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:34,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:34,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:34,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:34,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:34,011 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) [2021-12-14 19:03:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:43,760 INFO L93 Difference]: Finished difference Result 10121 states and 14516 transitions. [2021-12-14 19:03:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 19:03:43,760 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 [2021-12-14 19:03:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:43,802 INFO L225 Difference]: With dead ends: 10121 [2021-12-14 19:03:43,802 INFO L226 Difference]: Without dead ends: 7362 [2021-12-14 19:03:43,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:03:43,814 INFO L933 BasicCegarLoop]: 6835 mSDtfsCounter, 11141 mSDsluCounter, 8024 mSDsCounter, 0 mSdLazyCounter, 7859 mSolverCounterSat, 4996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11958 SdHoareTripleChecker+Valid, 14859 SdHoareTripleChecker+Invalid, 12855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4996 IncrementalHoareTripleChecker+Valid, 7859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:43,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11958 Valid, 14859 Invalid, 12855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4996 Valid, 7859 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-12-14 19:03:43,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2021-12-14 19:03:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7291. [2021-12-14 19:03:44,104 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) [2021-12-14 19:03:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10406 transitions. [2021-12-14 19:03:44,134 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10406 transitions. Word has length 162 [2021-12-14 19:03:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:44,135 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10406 transitions. [2021-12-14 19:03:44,135 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) [2021-12-14 19:03:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10406 transitions. [2021-12-14 19:03:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-14 19:03:44,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:44,138 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] [2021-12-14 19:03:44,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 19:03:44,138 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1335732403, now seen corresponding path program 1 times [2021-12-14 19:03:44,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:44,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441189948] [2021-12-14 19:03:44,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:44,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:44,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441189948] [2021-12-14 19:03:44,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441189948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:44,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:44,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:44,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932341664] [2021-12-14 19:03:44,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:44,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:44,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:44,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:44,490 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) [2021-12-14 19:03:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:49,301 INFO L93 Difference]: Finished difference Result 14627 states and 21100 transitions. [2021-12-14 19:03:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:03:49,310 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 [2021-12-14 19:03:49,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:49,360 INFO L225 Difference]: With dead ends: 14627 [2021-12-14 19:03:49,360 INFO L226 Difference]: Without dead ends: 7355 [2021-12-14 19:03:49,390 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 [2021-12-14 19:03:49,391 INFO L933 BasicCegarLoop]: 3730 mSDtfsCounter, 5649 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5649 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 6819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:49,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5649 Valid, 7469 Invalid, 6819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2851 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-14 19:03:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-12-14 19:03:49,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 7291. [2021-12-14 19:03:49,660 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) [2021-12-14 19:03:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10403 transitions. [2021-12-14 19:03:49,698 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10403 transitions. Word has length 163 [2021-12-14 19:03:49,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:49,701 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10403 transitions. [2021-12-14 19:03:49,701 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) [2021-12-14 19:03:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10403 transitions. [2021-12-14 19:03:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-14 19:03:49,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:49,705 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] [2021-12-14 19:03:49,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 19:03:49,705 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:49,706 INFO L85 PathProgramCache]: Analyzing trace with hash 715204329, now seen corresponding path program 1 times [2021-12-14 19:03:49,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:49,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583275075] [2021-12-14 19:03:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:49,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 19:03:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:03:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 19:03:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 19:03:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 19:03:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 19:03:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 19:03:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 19:03:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:03:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 19:03:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 19:03:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 19:03:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 19:03:50,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:50,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583275075] [2021-12-14 19:03:50,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583275075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:50,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:50,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:03:50,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473111340] [2021-12-14 19:03:50,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:50,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:03:50,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:50,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:03:50,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:03:50,063 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)