./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.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 e8978491afc5f8634ce8df2cd7fd9b2b712577ff9b4bcfdd175bc15f749a867e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:43:29,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:43:29,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:43:29,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:43:29,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:43:29,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:43:29,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:43:29,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:43:29,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:43:29,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:43:29,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:43:29,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:43:29,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:43:29,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:43:29,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:43:29,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:43:29,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:43:29,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:43:29,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:43:29,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:43:29,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:43:29,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:43:29,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:43:29,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:43:29,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:43:29,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:43:29,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:43:29,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:43:29,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:43:29,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:43:29,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:43:29,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:43:29,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:43:29,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:43:29,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:43:29,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:43:29,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:43:29,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:43:29,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:43:29,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:43:29,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:43:29,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:43:29,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:43:29,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:43:29,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:43:29,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:43:29,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:43:29,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:43:29,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:43:29,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:43:29,521 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:43:29,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:43:29,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:43:29,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:43:29,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:43:29,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:43:29,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:43:29,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:43:29,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:43:29,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:43:29,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:43:29,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:43:29,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:43:29,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:43:29,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:43:29,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:43:29,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:43:29,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8978491afc5f8634ce8df2cd7fd9b2b712577ff9b4bcfdd175bc15f749a867e [2021-12-18 09:43:29,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:43:29,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:43:29,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:43:29,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:43:29,728 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:43:29,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 09:43:29,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f0056/9fe21ceaf48d4f718b16c26a90db4f2c/FLAGf971f1aee [2021-12-18 09:43:30,403 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:43:30,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 09:43:30,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f0056/9fe21ceaf48d4f718b16c26a90db4f2c/FLAGf971f1aee [2021-12-18 09:43:30,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f0056/9fe21ceaf48d4f718b16c26a90db4f2c [2021-12-18 09:43:30,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:43:30,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:43:30,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:43:30,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:43:30,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:43:30,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:43:30" (1/1) ... [2021-12-18 09:43:30,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad74867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:30, skipping insertion in model container [2021-12-18 09:43:30,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:43:30" (1/1) ... [2021-12-18 09:43:30,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:43:30,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:43:34,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571795,571808] [2021-12-18 09:43:34,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571940,571953] [2021-12-18 09:43:34,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:43:34,654 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:43:35,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571795,571808] [2021-12-18 09:43:35,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571940,571953] [2021-12-18 09:43:35,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:43:35,360 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:43:35,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35 WrapperNode [2021-12-18 09:43:35,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:43:35,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:43:35,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:43:35,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:43:35,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,772 INFO L137 Inliner]: procedures = 793, calls = 5287, calls flagged for inlining = 369, calls inlined = 351, statements flattened = 12993 [2021-12-18 09:43:35,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:43:35,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:43:35,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:43:35,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:43:35,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:35,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:36,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:36,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:36,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:43:36,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:43:36,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:43:36,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:43:36,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (1/1) ... [2021-12-18 09:43:36,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:43:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:43:36,202 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) [2021-12-18 09:43:36,207 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 [2021-12-18 09:43:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_129 [2021-12-18 09:43:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_129 [2021-12-18 09:43:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-12-18 09:43:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-12-18 09:43:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 09:43:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 09:43:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-12-18 09:43:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-12-18 09:43:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-12-18 09:43:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-12-18 09:43:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-12-18 09:43:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-12-18 09:43:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-12-18 09:43:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-12-18 09:43:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-12-18 09:43:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-12-18 09:43:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-12-18 09:43:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-12-18 09:43:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-12-18 09:43:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-12-18 09:43:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-12-18 09:43:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-12-18 09:43:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-12-18 09:43:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-12-18 09:43:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-12-18 09:43:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-12-18 09:43:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:43:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:43:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:43:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:43:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 09:43:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 09:43:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-12-18 09:43:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-12-18 09:43:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 09:43:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-12-18 09:43:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-12-18 09:43:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 09:43:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 09:43:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 09:43:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 09:43:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-12-18 09:43:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-12-18 09:43:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 09:43:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 09:43:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-12-18 09:43:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-12-18 09:43:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_107 [2021-12-18 09:43:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_107 [2021-12-18 09:43:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-12-18 09:43:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-12-18 09:43:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-12-18 09:43:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-12-18 09:43:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-12-18 09:43:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-12-18 09:43:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 09:43:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 09:43:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-12-18 09:43:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-12-18 09:43:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 09:43:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 09:43:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-12-18 09:43:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-12-18 09:43:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 09:43:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 09:43:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-12-18 09:43:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-12-18 09:43:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:43:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:43:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:43:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:43:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:43:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-12-18 09:43:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-12-18 09:43:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 09:43:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 09:43:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-12-18 09:43:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-12-18 09:43:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:43:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:43:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 09:43:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 09:43:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:43:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:43:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:43:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:43:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-12-18 09:43:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-12-18 09:43:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 09:43:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 09:43:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:43:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:43:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-12-18 09:43:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-12-18 09:43:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:43:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:43:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:43:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 09:43:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 09:43:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 09:43:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 09:43:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-12-18 09:43:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-12-18 09:43:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 09:43:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 09:43:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-12-18 09:43:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-12-18 09:43:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:43:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:43:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:43:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:43:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:43:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:43:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-12-18 09:43:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-12-18 09:43:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 09:43:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 09:43:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 09:43:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-12-18 09:43:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-12-18 09:43:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 09:43:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 09:43:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-12-18 09:43:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-12-18 09:43:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 09:43:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 09:43:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:43:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:43:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:43:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-12-18 09:43:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-12-18 09:43:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:43:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-12-18 09:43:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 09:43:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 09:43:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:43:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:43:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-12-18 09:43:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-12-18 09:43:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 09:43:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 09:43:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-12-18 09:43:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-12-18 09:43:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:43:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 09:43:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 09:43:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:43:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 09:43:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 09:43:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 09:43:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 09:43:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 09:43:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 09:43:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 09:43:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:43:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:43:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 09:43:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 09:43:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 09:43:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 09:43:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 09:43:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-12-18 09:43:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 09:43:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-12-18 09:43:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:43:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-18 09:43:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-12-18 09:43:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 09:43:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-12-18 09:43:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-18 09:43:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 09:43:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 09:43:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-12-18 09:43:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-12-18 09:43:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:43:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:43:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 09:43:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 09:43:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-12-18 09:43:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-12-18 09:43:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-12-18 09:43:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-12-18 09:43:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 09:43:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 09:43:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-12-18 09:43:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-12-18 09:43:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 09:43:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 09:43:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-12-18 09:43:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-12-18 09:43:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 09:43:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 09:43:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 09:43:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 09:43:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:43:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:43:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:43:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-12-18 09:43:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-12-18 09:43:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-12-18 09:43:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-12-18 09:43:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:43:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-12-18 09:43:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-12-18 09:43:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-12-18 09:43:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-12-18 09:43:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_106 [2021-12-18 09:43:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_106 [2021-12-18 09:43:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-12-18 09:43:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-12-18 09:43:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-18 09:43:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-18 09:43:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 09:43:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 09:43:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-12-18 09:43:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-12-18 09:43:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 09:43:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 09:43:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-12-18 09:43:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-12-18 09:43:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 09:43:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 09:43:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_128 [2021-12-18 09:43:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_128 [2021-12-18 09:43:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-12-18 09:43:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-12-18 09:43:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 09:43:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 09:43:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-12-18 09:43:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-12-18 09:43:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-12-18 09:43:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-12-18 09:43:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-12-18 09:43:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-12-18 09:43:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 09:43:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 09:43:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:43:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:43:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 09:43:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 09:43:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-12-18 09:43:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:43:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 09:43:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-12-18 09:43:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-12-18 09:43:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-12-18 09:43:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-12-18 09:43:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 09:43:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-12-18 09:43:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-12-18 09:43:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 09:43:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-12-18 09:43:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-12-18 09:43:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-12-18 09:43:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:43:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 09:43:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:43:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:43:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:43:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:43:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-12-18 09:43:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-12-18 09:43:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 09:43:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 09:43:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 09:43:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-12-18 09:43:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:43:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-12-18 09:43:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 09:43:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 09:43:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 09:43:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-12-18 09:43:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:43:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 09:43:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:43:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 09:43:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 09:43:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:43:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:43:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:43:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:43:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-18 09:43:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-18 09:43:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-12-18 09:43:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-12-18 09:43:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 09:43:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 09:43:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-12-18 09:43:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:43:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-18 09:43:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:43:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-12-18 09:43:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:43:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:43:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-12-18 09:43:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-12-18 09:43:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-18 09:43:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 09:43:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 09:43:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 09:43:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-12-18 09:43:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 09:43:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-12-18 09:43:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-12-18 09:43:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-18 09:43:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 09:43:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 09:43:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-12-18 09:43:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:43:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:43:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-12-18 09:43:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-12-18 09:43:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-12-18 09:43:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 09:43:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 09:43:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 09:43:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-12-18 09:43:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-12-18 09:43:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 09:43:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-12-18 09:43:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 09:43:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 09:43:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-12-18 09:43:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:43:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-12-18 09:43:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-12-18 09:43:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 09:43:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:43:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-12-18 09:43:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:43:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 09:43:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-12-18 09:43:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 09:43:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:43:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:43:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-18 09:43:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-18 09:43:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 09:43:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 09:43:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-12-18 09:43:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-12-18 09:43:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-12-18 09:43:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-12-18 09:43:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-12-18 09:43:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-12-18 09:43:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-12-18 09:43:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-12-18 09:43:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-12-18 09:43:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-12-18 09:43:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-12-18 09:43:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-12-18 09:43:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-12-18 09:43:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-12-18 09:43:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-12-18 09:43:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:43:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-12-18 09:43:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-12-18 09:43:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 09:43:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:43:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:43:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-12-18 09:43:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-12-18 09:43:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-12-18 09:43:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-12-18 09:43:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 09:43:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 09:43:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-12-18 09:43:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-12-18 09:43:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 09:43:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 09:43:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-12-18 09:43:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 09:43:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-12-18 09:43:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-12-18 09:43:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-12-18 09:43:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 09:43:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 09:43:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-12-18 09:43:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-12-18 09:43:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:43:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:43:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 09:43:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 09:43:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 09:43:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 09:43:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:43:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 09:43:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-18 09:43:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-12-18 09:43:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:43:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:43:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-18 09:43:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-18 09:43:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-12-18 09:43:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-12-18 09:43:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-12-18 09:43:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-12-18 09:43:37,573 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:43:37,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:43:37,817 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:54:22,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:54:22,697 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:54:22,712 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:54:22,713 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 09:54:22,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:54:22 BoogieIcfgContainer [2021-12-18 09:54:22,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:54:22,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:54:22,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:54:22,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:54:22,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:43:30" (1/3) ... [2021-12-18 09:54:22,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f01c501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:54:22, skipping insertion in model container [2021-12-18 09:54:22,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:43:35" (2/3) ... [2021-12-18 09:54:22,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f01c501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:54:22, skipping insertion in model container [2021-12-18 09:54:22,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:54:22" (3/3) ... [2021-12-18 09:54:22,722 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 09:54:22,725 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:54:22,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:54:22,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:54:22,768 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 [2021-12-18 09:54:22,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:54:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 4413 states, 3082 states have (on average 1.2881245944192083) internal successors, (3970), 3126 states have internal predecessors, (3970), 1087 states have call successors, (1087), 244 states have call predecessors, (1087), 243 states have return successors, (1082), 1070 states have call predecessors, (1082), 1082 states have call successors, (1082) [2021-12-18 09:54:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 09:54:22,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:54:22,859 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:54:22,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:54:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:54:22,866 INFO L85 PathProgramCache]: Analyzing trace with hash 373864464, now seen corresponding path program 1 times [2021-12-18 09:54:22,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:54:22,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713416368] [2021-12-18 09:54:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:54:22,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:54:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:54:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:54:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:54:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:54:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:54:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:54:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:54:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:54:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:54:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:54:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:54:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:54:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:54:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:54:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:54:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:54:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 09:54:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:54:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:54:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:54:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 09:54:24,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:54:24,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713416368] [2021-12-18 09:54:24,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713416368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:54:24,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:54:24,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:54:24,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472168765] [2021-12-18 09:54:24,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:54:24,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:54:24,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:54:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:54:24,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:54:24,695 INFO L87 Difference]: Start difference. First operand has 4413 states, 3082 states have (on average 1.2881245944192083) internal successors, (3970), 3126 states have internal predecessors, (3970), 1087 states have call successors, (1087), 244 states have call predecessors, (1087), 243 states have return successors, (1082), 1070 states have call predecessors, (1082), 1082 states have call successors, (1082) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 09:54:26,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:54:29,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:54:58,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:00,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:55:00,252 INFO L93 Difference]: Finished difference Result 12012 states and 16861 transitions. [2021-12-18 09:55:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:55:00,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 208 [2021-12-18 09:55:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:55:00,306 INFO L225 Difference]: With dead ends: 12012 [2021-12-18 09:55:00,307 INFO L226 Difference]: Without dead ends: 7564 [2021-12-18 09:55:00,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:55:00,337 INFO L933 BasicCegarLoop]: 6308 mSDtfsCounter, 5957 mSDsluCounter, 6678 mSDsCounter, 0 mSdLazyCounter, 3833 mSolverCounterSat, 2766 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6704 SdHoareTripleChecker+Valid, 12986 SdHoareTripleChecker+Invalid, 6602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2766 IncrementalHoareTripleChecker+Valid, 3833 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:55:00,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6704 Valid, 12986 Invalid, 6602 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2766 Valid, 3833 Invalid, 3 Unknown, 0 Unchecked, 34.4s Time] [2021-12-18 09:55:00,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7564 states. [2021-12-18 09:55:00,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7564 to 7273. [2021-12-18 09:55:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7273 states, 5092 states have (on average 1.2733699921445405) internal successors, (6484), 5161 states have internal predecessors, (6484), 1747 states have call successors, (1747), 433 states have call predecessors, (1747), 433 states have return successors, (1747), 1727 states have call predecessors, (1747), 1747 states have call successors, (1747) [2021-12-18 09:55:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7273 states to 7273 states and 9978 transitions. [2021-12-18 09:55:00,677 INFO L78 Accepts]: Start accepts. Automaton has 7273 states and 9978 transitions. Word has length 208 [2021-12-18 09:55:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:55:00,679 INFO L470 AbstractCegarLoop]: Abstraction has 7273 states and 9978 transitions. [2021-12-18 09:55:00,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 09:55:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 7273 states and 9978 transitions. [2021-12-18 09:55:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-18 09:55:00,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:55:00,695 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:55:00,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:55:00,696 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:55:00,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:55:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1310526115, now seen corresponding path program 1 times [2021-12-18 09:55:00,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:55:00,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688709508] [2021-12-18 09:55:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:55:00,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:55:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:55:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:55:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:55:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:55:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:55:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:55:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:55:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:55:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:55:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:55:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:55:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:55:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:55:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:55:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:55:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 09:55:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 09:55:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 09:55:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:55:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:55:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 09:55:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:55:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 09:55:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 09:55:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:55:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-18 09:55:01,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:55:01,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688709508] [2021-12-18 09:55:01,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688709508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:55:01,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:55:01,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:55:01,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923673329] [2021-12-18 09:55:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:55:01,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:55:01,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:55:01,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:55:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:55:01,926 INFO L87 Difference]: Start difference. First operand 7273 states and 9978 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 09:55:04,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:06,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:38,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:40,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:55:40,087 INFO L93 Difference]: Finished difference Result 17836 states and 24506 transitions. [2021-12-18 09:55:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:55:40,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 269 [2021-12-18 09:55:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:55:40,148 INFO L225 Difference]: With dead ends: 17836 [2021-12-18 09:55:40,148 INFO L226 Difference]: Without dead ends: 10598 [2021-12-18 09:55:40,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:55:40,181 INFO L933 BasicCegarLoop]: 9279 mSDtfsCounter, 4804 mSDsluCounter, 7845 mSDsCounter, 0 mSdLazyCounter, 3894 mSolverCounterSat, 2001 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 17124 SdHoareTripleChecker+Invalid, 5898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2001 IncrementalHoareTripleChecker+Valid, 3894 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:55:40,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5527 Valid, 17124 Invalid, 5898 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2001 Valid, 3894 Invalid, 3 Unknown, 0 Unchecked, 37.2s Time] [2021-12-18 09:55:40,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10598 states. [2021-12-18 09:55:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10598 to 10201. [2021-12-18 09:55:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10201 states, 7141 states have (on average 1.271110488727069) internal successors, (9077), 7236 states have internal predecessors, (9077), 2435 states have call successors, (2435), 624 states have call predecessors, (2435), 624 states have return successors, (2435), 2407 states have call predecessors, (2435), 2435 states have call successors, (2435) [2021-12-18 09:55:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10201 states to 10201 states and 13947 transitions. [2021-12-18 09:55:40,500 INFO L78 Accepts]: Start accepts. Automaton has 10201 states and 13947 transitions. Word has length 269 [2021-12-18 09:55:40,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:55:40,502 INFO L470 AbstractCegarLoop]: Abstraction has 10201 states and 13947 transitions. [2021-12-18 09:55:40,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 09:55:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 10201 states and 13947 transitions. [2021-12-18 09:55:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-12-18 09:55:40,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:55:40,522 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:55:40,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:55:40,522 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:55:40,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:55:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1360189000, now seen corresponding path program 1 times [2021-12-18 09:55:40,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:55:40,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460983239] [2021-12-18 09:55:40,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:55:40,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:55:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:55:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:55:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:55:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:55:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:55:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:55:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:55:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:55:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:55:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:55:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:55:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:55:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:55:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:55:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:55:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 09:55:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:55:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:55:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 09:55:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 09:55:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:55:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 09:55:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:55:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:55:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:55:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 09:55:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 09:55:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 09:55:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 09:55:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:55:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:55:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 09:55:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:55:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:55:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:55:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2021-12-18 09:55:41,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:55:41,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460983239] [2021-12-18 09:55:41,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460983239] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:55:41,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:55:41,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:55:41,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611654870] [2021-12-18 09:55:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:55:41,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:55:41,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:55:41,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:55:41,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:55:41,790 INFO L87 Difference]: Start difference. First operand 10201 states and 13947 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-18 09:55:43,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:46,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:48,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:55:50,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:56:18,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:56:42,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:57:09,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:57:09,073 INFO L93 Difference]: Finished difference Result 26652 states and 37018 transitions. [2021-12-18 09:57:09,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:57:09,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 337 [2021-12-18 09:57:09,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:57:09,171 INFO L225 Difference]: With dead ends: 26652 [2021-12-18 09:57:09,171 INFO L226 Difference]: Without dead ends: 16486 [2021-12-18 09:57:09,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-18 09:57:09,213 INFO L933 BasicCegarLoop]: 5561 mSDtfsCounter, 12014 mSDsluCounter, 9513 mSDsCounter, 0 mSdLazyCounter, 9254 mSolverCounterSat, 7833 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12538 SdHoareTripleChecker+Valid, 15074 SdHoareTripleChecker+Invalid, 17092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7833 IncrementalHoareTripleChecker+Valid, 9254 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:57:09,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12538 Valid, 15074 Invalid, 17092 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7833 Valid, 9254 Invalid, 5 Unknown, 0 Unchecked, 85.3s Time] [2021-12-18 09:57:09,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16486 states. [2021-12-18 09:57:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16486 to 14461. [2021-12-18 09:57:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14461 states, 10149 states have (on average 1.2712582520445364) internal successors, (12902), 10297 states have internal predecessors, (12902), 3389 states have call successors, (3389), 899 states have call predecessors, (3389), 922 states have return successors, (3467), 3363 states have call predecessors, (3467), 3389 states have call successors, (3467) [2021-12-18 09:57:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14461 states to 14461 states and 19758 transitions. [2021-12-18 09:57:09,716 INFO L78 Accepts]: Start accepts. Automaton has 14461 states and 19758 transitions. Word has length 337 [2021-12-18 09:57:09,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:57:09,716 INFO L470 AbstractCegarLoop]: Abstraction has 14461 states and 19758 transitions. [2021-12-18 09:57:09,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-18 09:57:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 14461 states and 19758 transitions. [2021-12-18 09:57:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-18 09:57:09,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:57:09,723 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:57:09,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:57:09,723 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:57:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:57:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash -431778732, now seen corresponding path program 1 times [2021-12-18 09:57:09,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:57:09,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312087351] [2021-12-18 09:57:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:57:09,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:57:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:57:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:57:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:57:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:57:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:57:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:57:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:57:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:57:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:57:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:57:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:57:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:57:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:57:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:57:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:57:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 09:57:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 09:57:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 09:57:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:57:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:57:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 09:57:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:57:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 09:57:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:57:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:57:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:57:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 09:57:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:57:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:57:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:57:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 09:57:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:57:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 09:57:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 09:57:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:57:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2021-12-18 09:57:10,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:57:10,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312087351] [2021-12-18 09:57:10,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312087351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:57:10,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:57:10,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:57:10,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072117009] [2021-12-18 09:57:10,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:57:10,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:57:10,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:57:10,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:57:10,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:57:10,977 INFO L87 Difference]: Start difference. First operand 14461 states and 19758 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 09:57:13,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:57:15,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:57:34,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:57:41,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15