./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:20:44,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:20:44,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:20:44,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:20:44,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:20:44,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:20:44,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:20:44,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:20:44,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:20:44,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:20:44,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:20:44,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:20:44,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:20:44,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:20:44,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:20:44,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:20:44,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:20:44,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:20:44,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:20:44,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:20:44,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:20:44,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:20:44,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:20:44,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:20:44,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:20:44,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:20:44,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:20:44,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:20:44,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:20:44,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:20:44,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:20:44,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:20:44,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:20:44,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:20:44,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:20:44,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:20:44,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:20:44,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:20:44,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:20:44,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:20:44,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:20:44,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:20:44,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:20:44,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:20:44,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:20:44,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:20:44,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:20:44,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:20:44,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:20:44,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:20:44,498 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:20:44,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:20:44,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:20:44,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:20:44,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:20:44,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:20:44,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:20:44,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:20:44,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:20:44,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:20:44,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:20:44,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:20:44,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:20:44,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2021-12-21 17:20:44,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:20:44,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:20:44,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:20:44,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:20:44,693 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:20:44,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-21 17:20:44,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c82255d/0cfca4d2b9b6433fbe364996a6ae04ad/FLAGdf6a7fb23 [2021-12-21 17:20:45,369 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:20:45,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-21 17:20:45,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c82255d/0cfca4d2b9b6433fbe364996a6ae04ad/FLAGdf6a7fb23 [2021-12-21 17:20:45,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c82255d/0cfca4d2b9b6433fbe364996a6ae04ad [2021-12-21 17:20:45,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:20:45,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:20:45,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:20:45,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:20:45,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:20:45,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:20:45" (1/1) ... [2021-12-21 17:20:45,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14287b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:45, skipping insertion in model container [2021-12-21 17:20:45,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:20:45" (1/1) ... [2021-12-21 17:20:45,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:20:45,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:20:47,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2021-12-21 17:20:47,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2021-12-21 17:20:47,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:20:48,040 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:20:48,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2021-12-21 17:20:48,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2021-12-21 17:20:48,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:20:48,440 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:20:48,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48 WrapperNode [2021-12-21 17:20:48,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:20:48,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:20:48,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:20:48,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:20:48,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,723 INFO L137 Inliner]: procedures = 510, calls = 2610, calls flagged for inlining = 246, calls inlined = 216, statements flattened = 5468 [2021-12-21 17:20:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:20:48,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:20:48,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:20:48,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:20:48,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:20:48,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:20:48,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:20:48,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:20:48,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (1/1) ... [2021-12-21 17:20:48,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:20:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:20:48,960 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) [2021-12-21 17:20:48,966 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 [2021-12-21 17:20:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2021-12-21 17:20:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2021-12-21 17:20:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-21 17:20:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-21 17:20:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-21 17:20:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2021-12-21 17:20:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2021-12-21 17:20:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:20:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:20:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:20:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:20:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-21 17:20:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-21 17:20:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2021-12-21 17:20:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2021-12-21 17:20:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-12-21 17:20:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-12-21 17:20:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:20:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:20:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:20:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:20:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2021-12-21 17:20:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2021-12-21 17:20:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2021-12-21 17:20:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2021-12-21 17:20:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:20:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:20:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2021-12-21 17:20:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2021-12-21 17:20:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:20:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:20:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:20:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:20:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 17:20:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 17:20:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:20:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:20:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:20:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:20:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:20:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:20:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:20:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:20:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:20:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:20:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:20:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:20:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:20:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:20:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-21 17:20:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-21 17:20:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 17:20:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 17:20:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 17:20:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 17:20:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:20:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:20:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:20:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-21 17:20:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-21 17:20:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2021-12-21 17:20:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2021-12-21 17:20:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 17:20:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 17:20:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-21 17:20:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-21 17:20:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:20:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:20:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2021-12-21 17:20:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2021-12-21 17:20:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2021-12-21 17:20:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2021-12-21 17:20:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:20:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:20:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:20:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:20:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:20:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2021-12-21 17:20:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2021-12-21 17:20:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:20:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:20:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:20:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:20:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-21 17:20:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-21 17:20:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:20:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:20:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-21 17:20:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-21 17:20:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2021-12-21 17:20:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2021-12-21 17:20:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:20:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:20:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:20:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:20:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:20:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:20:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:20:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:20:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 17:20:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 17:20:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2021-12-21 17:20:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2021-12-21 17:20:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2021-12-21 17:20:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2021-12-21 17:20:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 17:20:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 17:20:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:20:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:20:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:20:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:20:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:20:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:20:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:20:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:20:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2021-12-21 17:20:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2021-12-21 17:20:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:20:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:20:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:20:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:20:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:20:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:20:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:20:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:20:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:20:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-21 17:20:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:20:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2021-12-21 17:20:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 17:20:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2021-12-21 17:20:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:20:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:20:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-21 17:20:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-21 17:20:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-21 17:20:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:20:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:20:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2021-12-21 17:20:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2021-12-21 17:20:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:20:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:20:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2021-12-21 17:20:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2021-12-21 17:20:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2021-12-21 17:20:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2021-12-21 17:20:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:20:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2021-12-21 17:20:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2021-12-21 17:20:49,819 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:20:49,822 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:20:50,097 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:20:52,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:20:52,357 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:20:52,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:20:52,370 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 17:20:52,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:20:52 BoogieIcfgContainer [2021-12-21 17:20:52,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:20:52,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:20:52,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:20:52,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:20:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:20:45" (1/3) ... [2021-12-21 17:20:52,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4b3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:20:52, skipping insertion in model container [2021-12-21 17:20:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:20:48" (2/3) ... [2021-12-21 17:20:52,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4b3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:20:52, skipping insertion in model container [2021-12-21 17:20:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:20:52" (3/3) ... [2021-12-21 17:20:52,379 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-21 17:20:52,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:20:52,383 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 17:20:52,419 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:20:52,424 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 [2021-12-21 17:20:52,424 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 17:20:52,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 2492 states, 1610 states have (on average 1.272670807453416) internal successors, (2049), 1645 states have internal predecessors, (2049), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) [2021-12-21 17:20:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-21 17:20:52,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:20:52,488 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2021-12-21 17:20:52,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:20:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:20:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1067299095, now seen corresponding path program 1 times [2021-12-21 17:20:52,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:20:52,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270592237] [2021-12-21 17:20:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:20:52,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:20:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:20:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:20:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:20:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:20:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:20:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:20:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:20:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:20:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:20:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:20:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:20:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:20:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:20:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:20:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:20:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 17:20:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 17:20:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:20:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:20:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 17:20:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-21 17:20:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2021-12-21 17:20:53,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:20:53,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270592237] [2021-12-21 17:20:53,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270592237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:20:53,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:20:53,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:20:53,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404795289] [2021-12-21 17:20:53,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:20:53,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:20:53,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:20:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:20:53,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:20:53,247 INFO L87 Difference]: Start difference. First operand has 2492 states, 1610 states have (on average 1.272670807453416) internal successors, (2049), 1645 states have internal predecessors, (2049), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-21 17:20:58,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:20:58,062 INFO L93 Difference]: Finished difference Result 6916 states and 9928 transitions. [2021-12-21 17:20:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:20:58,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 221 [2021-12-21 17:20:58,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:20:58,107 INFO L225 Difference]: With dead ends: 6916 [2021-12-21 17:20:58,107 INFO L226 Difference]: Without dead ends: 4383 [2021-12-21 17:20:58,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:20:58,127 INFO L933 BasicCegarLoop]: 3480 mSDtfsCounter, 3602 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 6857 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:20:58,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4167 Valid, 6857 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2361 Valid, 2637 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-21 17:20:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4383 states. [2021-12-21 17:20:58,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4383 to 4300. [2021-12-21 17:20:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4300 states, 2761 states have (on average 1.260775081492213) internal successors, (3481), 2825 states have internal predecessors, (3481), 1293 states have call successors, (1293), 244 states have call predecessors, (1293), 245 states have return successors, (1297), 1272 states have call predecessors, (1297), 1293 states have call successors, (1297) [2021-12-21 17:20:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 4300 states and 6071 transitions. [2021-12-21 17:20:58,376 INFO L78 Accepts]: Start accepts. Automaton has 4300 states and 6071 transitions. Word has length 221 [2021-12-21 17:20:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:20:58,377 INFO L470 AbstractCegarLoop]: Abstraction has 4300 states and 6071 transitions. [2021-12-21 17:20:58,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-21 17:20:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 6071 transitions. [2021-12-21 17:20:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-21 17:20:58,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:20:58,385 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:20:58,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:20:58,386 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:20:58,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:20:58,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1541205607, now seen corresponding path program 1 times [2021-12-21 17:20:58,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:20:58,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152028808] [2021-12-21 17:20:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:20:58,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:20:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:20:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:20:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:20:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:20:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:20:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:20:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:20:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:20:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:20:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:20:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:20:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:20:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:20:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:20:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:20:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 17:20:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-21 17:20:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:20:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-21 17:20:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 17:20:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:20:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:20:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 17:20:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:20:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:20:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:20:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:20:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 17:20:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-21 17:20:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:20:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-21 17:20:58,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:20:58,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152028808] [2021-12-21 17:20:58,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152028808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:20:58,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:20:58,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:20:58,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762479858] [2021-12-21 17:20:58,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:20:58,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:20:58,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:20:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:20:58,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:20:58,918 INFO L87 Difference]: Start difference. First operand 4300 states and 6071 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-21 17:21:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:21:07,987 INFO L93 Difference]: Finished difference Result 13307 states and 18876 transitions. [2021-12-21 17:21:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 17:21:07,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 298 [2021-12-21 17:21:07,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:21:08,036 INFO L225 Difference]: With dead ends: 13307 [2021-12-21 17:21:08,036 INFO L226 Difference]: Without dead ends: 9042 [2021-12-21 17:21:08,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 17:21:08,057 INFO L933 BasicCegarLoop]: 3266 mSDtfsCounter, 8461 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 5297 mSolverCounterSat, 7310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8809 SdHoareTripleChecker+Valid, 8112 SdHoareTripleChecker+Invalid, 12607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7310 IncrementalHoareTripleChecker+Valid, 5297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:21:08,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8809 Valid, 8112 Invalid, 12607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7310 Valid, 5297 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-21 17:21:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9042 states. [2021-12-21 17:21:08,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9042 to 8141. [2021-12-21 17:21:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8141 states, 5280 states have (on average 1.2643939393939394) internal successors, (6676), 5400 states have internal predecessors, (6676), 2386 states have call successors, (2386), 479 states have call predecessors, (2386), 474 states have return successors, (2402), 2335 states have call predecessors, (2402), 2386 states have call successors, (2402) [2021-12-21 17:21:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 11464 transitions. [2021-12-21 17:21:08,396 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 11464 transitions. Word has length 298 [2021-12-21 17:21:08,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:21:08,398 INFO L470 AbstractCegarLoop]: Abstraction has 8141 states and 11464 transitions. [2021-12-21 17:21:08,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-21 17:21:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 11464 transitions. [2021-12-21 17:21:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-12-21 17:21:08,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:21:08,408 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 9, 9, 6, 6, 4, 4, 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, 1, 1, 1, 1] [2021-12-21 17:21:08,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:21:08,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:21:08,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:21:08,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1368082242, now seen corresponding path program 1 times [2021-12-21 17:21:08,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:21:08,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736220314] [2021-12-21 17:21:08,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:21:08,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:21:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:21:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:21:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:21:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:21:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:21:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:21:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:21:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:21:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:21:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:21:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:21:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:21:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:21:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:21:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:21:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 17:21:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 17:21:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 17:21:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 17:21:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-21 17:21:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:21:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:21:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:21:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-21 17:21:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:21:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 17:21:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 17:21:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:21:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:21:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:21:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 17:21:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:21:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:21:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:21:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-21 17:21:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-21 17:21:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-21 17:21:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-21 17:21:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-21 17:21:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2021-12-21 17:21:09,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:21:09,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736220314] [2021-12-21 17:21:09,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736220314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:21:09,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:21:09,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 17:21:09,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293675390] [2021-12-21 17:21:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:21:09,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 17:21:09,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:21:09,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 17:21:09,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:21:09,108 INFO L87 Difference]: Start difference. First operand 8141 states and 11464 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-21 17:21:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:21:23,023 INFO L93 Difference]: Finished difference Result 28221 states and 39831 transitions. [2021-12-21 17:21:23,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-21 17:21:23,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 368 [2021-12-21 17:21:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:21:23,130 INFO L225 Difference]: With dead ends: 28221 [2021-12-21 17:21:23,130 INFO L226 Difference]: Without dead ends: 20115 [2021-12-21 17:21:23,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-12-21 17:21:23,169 INFO L933 BasicCegarLoop]: 4805 mSDtfsCounter, 11029 mSDsluCounter, 7075 mSDsCounter, 0 mSdLazyCounter, 13317 mSolverCounterSat, 9359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11906 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 22676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9359 IncrementalHoareTripleChecker+Valid, 13317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:21:23,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11906 Valid, 11880 Invalid, 22676 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9359 Valid, 13317 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2021-12-21 17:21:23,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20115 states. [2021-12-21 17:21:23,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20115 to 18151. [2021-12-21 17:21:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18151 states, 11852 states have (on average 1.2641748228147147) internal successors, (14983), 12087 states have internal predecessors, (14983), 5182 states have call successors, (5182), 1131 states have call predecessors, (5182), 1116 states have return successors, (5198), 5097 states have call predecessors, (5198), 5182 states have call successors, (5198) [2021-12-21 17:21:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18151 states to 18151 states and 25363 transitions. [2021-12-21 17:21:23,964 INFO L78 Accepts]: Start accepts. Automaton has 18151 states and 25363 transitions. Word has length 368 [2021-12-21 17:21:23,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:21:23,966 INFO L470 AbstractCegarLoop]: Abstraction has 18151 states and 25363 transitions. [2021-12-21 17:21:23,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-21 17:21:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 18151 states and 25363 transitions. [2021-12-21 17:21:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-21 17:21:23,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:21:23,976 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:21:23,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:21:23,977 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:21:23,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:21:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1246162991, now seen corresponding path program 1 times [2021-12-21 17:21:23,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:21:23,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018698986] [2021-12-21 17:21:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:21:23,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:21:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:21:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:21:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:21:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:21:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:21:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:21:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:21:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:21:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:21:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:21:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:21:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:21:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:21:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:21:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:21:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 17:21:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 17:21:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 17:21:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 17:21:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 17:21:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 17:21:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 17:21:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:21:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-21 17:21:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-21 17:21:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:21:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 17:21:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 17:21:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:21:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-21 17:21:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-21 17:21:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:21:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:21:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:21:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 17:21:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 17:21:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:21:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:21:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:21:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 17:21:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:21:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:21:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:21:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-21 17:21:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-21 17:21:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-21 17:21:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-21 17:21:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-12-21 17:21:24,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:21:24,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018698986] [2021-12-21 17:21:24,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018698986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:21:24,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:21:24,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:21:24,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354910698] [2021-12-21 17:21:24,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:21:24,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:21:24,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:21:24,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:21:24,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:21:24,538 INFO L87 Difference]: Start difference. First operand 18151 states and 25363 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-21 17:21:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:21:31,799 INFO L93 Difference]: Finished difference Result 43105 states and 60545 transitions. [2021-12-21 17:21:31,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:21:31,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 439 [2021-12-21 17:21:31,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:21:31,907 INFO L225 Difference]: With dead ends: 43105 [2021-12-21 17:21:31,908 INFO L226 Difference]: Without dead ends: 24989 [2021-12-21 17:21:31,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:21:31,967 INFO L933 BasicCegarLoop]: 5055 mSDtfsCounter, 3698 mSDsluCounter, 5411 mSDsCounter, 0 mSdLazyCounter, 4739 mSolverCounterSat, 2975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4299 SdHoareTripleChecker+Valid, 10466 SdHoareTripleChecker+Invalid, 7714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2975 IncrementalHoareTripleChecker+Valid, 4739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-21 17:21:31,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4299 Valid, 10466 Invalid, 7714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2975 Valid, 4739 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-21 17:21:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24989 states. [2021-12-21 17:21:32,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24989 to 22625. [2021-12-21 17:21:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22625 states, 14822 states have (on average 1.264741600323843) internal successors, (18746), 15106 states have internal predecessors, (18746), 6407 states have call successors, (6407), 1410 states have call predecessors, (6407), 1395 states have return successors, (6423), 6310 states have call predecessors, (6423), 6407 states have call successors, (6423) [2021-12-21 17:21:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 31576 transitions. [2021-12-21 17:21:32,876 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 31576 transitions. Word has length 439 [2021-12-21 17:21:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:21:32,877 INFO L470 AbstractCegarLoop]: Abstraction has 22625 states and 31576 transitions. [2021-12-21 17:21:32,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-21 17:21:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 31576 transitions. [2021-12-21 17:21:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-12-21 17:21:32,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:21:32,889 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 6, 6, 6, 6, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:21:32,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:21:32,890 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:21:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:21:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1063193199, now seen corresponding path program 1 times [2021-12-21 17:21:32,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:21:32,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811444964] [2021-12-21 17:21:32,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:21:32,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:21:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:21:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:21:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:21:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:21:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:21:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:21:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:21:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:21:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:21:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:21:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:21:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:21:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:21:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:21:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:21:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 17:21:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 17:21:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 17:21:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 17:21:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 17:21:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 17:21:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 17:21:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:21:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-21 17:21:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:21:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 17:21:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:21:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 17:21:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-21 17:21:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-21 17:21:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-21 17:21:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-21 17:21:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-21 17:21:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-21 17:21:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-21 17:21:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-21 17:21:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-21 17:21:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-21 17:21:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:21:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-21 17:21:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:21:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:21:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 17:21:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 17:21:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:21:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:21:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:21:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 17:21:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:21:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:21:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:21:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-21 17:21:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 17:21:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:21:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-21 17:21:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-21 17:21:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:21:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1553 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2021-12-21 17:21:33,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:21:33,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811444964] [2021-12-21 17:21:33,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811444964] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:21:33,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:21:33,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:21:33,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728273817] [2021-12-21 17:21:33,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:21:33,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:21:33,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:21:33,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:21:33,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:21:33,476 INFO L87 Difference]: Start difference. First operand 22625 states and 31576 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 3 states have internal predecessors, (189), 3 states have call successors, (68), 5 states have call predecessors, (68), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2021-12-21 17:21:41,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:21:41,236 INFO L93 Difference]: Finished difference Result 52479 states and 73602 transitions. [2021-12-21 17:21:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:21:41,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 3 states have internal predecessors, (189), 3 states have call successors, (68), 5 states have call predecessors, (68), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 515 [2021-12-21 17:21:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:21:41,361 INFO L225 Difference]: With dead ends: 52479 [2021-12-21 17:21:41,361 INFO L226 Difference]: Without dead ends: 29889 [2021-12-21 17:21:41,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72