./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:41:52,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:41:52,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:41:52,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:41:52,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:41:52,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:41:52,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:41:52,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:41:52,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:41:52,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:41:52,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:41:52,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:41:52,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:41:52,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:41:52,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:41:52,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:41:52,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:41:52,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:41:52,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:41:52,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:41:52,508 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:41:52,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:41:52,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:41:52,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:41:52,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:41:52,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:41:52,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:41:52,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:41:52,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:41:52,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:41:52,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:41:52,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:41:52,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:41:52,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:41:52,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:41:52,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:41:52,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:41:52,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:41:52,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:41:52,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:41:52,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:41:52,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:41:52,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:41:52,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:41:52,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:41:52,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:41:52,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:41:52,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:41:52,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:41:52,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:41:52,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:41:52,553 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:41:52,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:41:52,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:41:52,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:41:52,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:41:52,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:41:52,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:41:52,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:41:52,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:41:52,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:41:52,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:41:52,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:41:52,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:41:52,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:41:52,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:41:52,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:41:52,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:41:52,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2022-07-20 03:41:52,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:41:52,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:41:52,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:41:52,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:41:52,770 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:41:52,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:41:52,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61ce6a9d/feb41f62dcf14c3da7c35e442458e862/FLAG823a75a85 [2022-07-20 03:41:53,476 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:41:53,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:41:53,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61ce6a9d/feb41f62dcf14c3da7c35e442458e862/FLAG823a75a85 [2022-07-20 03:41:53,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61ce6a9d/feb41f62dcf14c3da7c35e442458e862 [2022-07-20 03:41:53,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:41:53,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:41:53,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:41:53,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:41:53,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:41:53,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:53" (1/1) ... [2022-07-20 03:41:53,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e4961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:53, skipping insertion in model container [2022-07-20 03:41:53,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:53" (1/1) ... [2022-07-20 03:41:53,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:41:53,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:41:56,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2022-07-20 03:41:56,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2022-07-20 03:41:56,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:41:56,915 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:41:57,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2022-07-20 03:41:57,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2022-07-20 03:41:57,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:41:57,399 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:41:57,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57 WrapperNode [2022-07-20 03:41:57,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:41:57,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:41:57,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:41:57,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:41:57,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:57,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:57,781 INFO L137 Inliner]: procedures = 548, calls = 4417, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8995 [2022-07-20 03:41:57,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:41:57,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:41:57,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:41:57,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:41:57,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:57,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:57,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:57,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:58,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:58,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:58,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:41:58,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:41:58,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:41:58,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:41:58,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (1/1) ... [2022-07-20 03:41:58,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:41:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:41:58,177 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) [2022-07-20 03:41:58,211 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 [2022-07-20 03:41:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2022-07-20 03:41:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2022-07-20 03:41:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:41:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:41:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:41:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:41:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:41:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-20 03:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-20 03:41:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-20 03:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-20 03:41:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:41:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-20 03:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-20 03:41:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2022-07-20 03:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2022-07-20 03:41:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:41:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:41:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-20 03:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-20 03:41:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-20 03:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-20 03:41:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 03:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 03:41:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-20 03:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-20 03:41:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:41:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 03:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 03:41:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-20 03:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-20 03:41:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-20 03:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-20 03:41:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 03:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 03:41:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:41:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-07-20 03:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-07-20 03:41:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:41:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:41:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:41:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-20 03:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-20 03:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:41:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:41:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:41:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 03:41:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 03:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:41:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 03:41:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 03:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:41:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:41:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 03:41:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 03:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:41:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-07-20 03:41:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-07-20 03:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:41:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-20 03:41:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-20 03:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 03:41:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 03:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:41:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-20 03:41:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-20 03:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:41:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-20 03:41:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-20 03:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-20 03:41:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-20 03:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-20 03:41:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-20 03:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-20 03:41:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-20 03:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:41:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:41:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:41:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-20 03:41:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-20 03:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:41:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-20 03:41:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-20 03:41:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 03:41:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 03:41:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:41:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:41:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:41:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:41:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:41:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:41:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:41:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:41:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:41:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:41:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:41:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:41:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-20 03:41:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-20 03:41:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-20 03:41:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-20 03:41:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 03:41:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 03:41:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:41:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:41:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-20 03:41:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-20 03:41:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:41:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:41:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-20 03:41:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-20 03:41:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:41:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:41:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:41:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:41:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:41:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 03:41:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 03:41:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:41:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:41:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 03:41:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 03:41:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:41:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:41:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:41:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:41:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:41:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:41:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-20 03:41:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-20 03:41:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:41:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:41:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-20 03:41:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-20 03:41:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-20 03:41:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-20 03:41:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:41:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:41:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-20 03:41:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-20 03:41:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:41:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:41:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-20 03:41:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-20 03:41:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:41:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:41:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:41:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:41:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-20 03:41:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-20 03:41:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:41:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:41:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:41:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:41:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-20 03:41:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-20 03:41:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-20 03:41:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-20 03:41:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 03:41:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 03:41:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-20 03:41:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-20 03:41:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 03:41:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 03:41:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-20 03:41:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-20 03:41:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-20 03:41:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-20 03:41:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 03:41:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 03:41:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:41:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-20 03:41:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:41:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:41:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:41:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-20 03:41:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-20 03:41:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:41:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:41:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:41:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:41:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 03:41:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 03:41:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:41:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:41:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:41:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-20 03:41:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 03:41:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:41:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:41:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-20 03:41:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-20 03:41:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-20 03:41:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-20 03:41:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:41:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:41:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:41:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-07-20 03:41:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-07-20 03:41:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 03:41:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 03:41:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:41:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:41:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:41:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:41:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:41:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:41:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 03:41:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 03:41:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-20 03:41:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-20 03:41:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-20 03:41:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-20 03:41:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-20 03:41:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-20 03:41:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:41:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:41:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-20 03:41:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-20 03:41:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-20 03:41:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-20 03:41:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:41:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:41:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:41:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 03:41:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-20 03:41:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:41:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-20 03:41:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-07-20 03:41:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-20 03:41:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-20 03:41:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 03:41:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:41:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:41:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-20 03:41:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-20 03:41:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-07-20 03:41:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:41:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-20 03:41:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:41:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:41:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-20 03:41:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-20 03:41:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:41:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 03:41:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 03:41:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:41:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:41:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:41:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-20 03:41:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-20 03:41:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:41:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:41:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:41:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:41:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:41:59,395 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:41:59,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:42:00,537 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:42:04,078 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:42:04,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:42:04,101 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:42:04,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:42:04 BoogieIcfgContainer [2022-07-20 03:42:04,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:42:04,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:42:04,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:42:04,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:42:04,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:41:53" (1/3) ... [2022-07-20 03:42:04,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c792e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:42:04, skipping insertion in model container [2022-07-20 03:42:04,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:57" (2/3) ... [2022-07-20 03:42:04,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c792e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:42:04, skipping insertion in model container [2022-07-20 03:42:04,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:42:04" (3/3) ... [2022-07-20 03:42:04,113 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:42:04,123 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:42:04,123 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:42:04,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:42:04,213 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24170b87, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64645106 [2022-07-20 03:42:04,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:42:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 2965 states, 2050 states have (on average 1.3682926829268294) internal successors, (2805), 2136 states have internal predecessors, (2805), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) [2022-07-20 03:42:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 03:42:04,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:04,252 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:04,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:04,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash -60610364, now seen corresponding path program 1 times [2022-07-20 03:42:04,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:04,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722842917] [2022-07-20 03:42:04,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:04,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:05,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722842917] [2022-07-20 03:42:05,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722842917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:05,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:05,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:42:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743490201] [2022-07-20 03:42:05,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:05,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:42:05,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:05,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:42:05,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:42:05,375 INFO L87 Difference]: Start difference. First operand has 2965 states, 2050 states have (on average 1.3682926829268294) internal successors, (2805), 2136 states have internal predecessors, (2805), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:09,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:09,232 INFO L93 Difference]: Finished difference Result 5936 states and 8778 transitions. [2022-07-20 03:42:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:09,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-07-20 03:42:09,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:09,270 INFO L225 Difference]: With dead ends: 5936 [2022-07-20 03:42:09,270 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:09,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:09,297 INFO L413 NwaCegarLoop]: 3995 mSDtfsCounter, 4048 mSDsluCounter, 4101 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4509 SdHoareTripleChecker+Valid, 8096 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:09,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4509 Valid, 8096 Invalid, 4422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1454 Valid, 2968 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 03:42:09,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.33300395256917) internal successors, (2698), 2104 states have internal predecessors, (2698), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4158 transitions. [2022-07-20 03:42:09,470 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4158 transitions. Word has length 156 [2022-07-20 03:42:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:09,470 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4158 transitions. [2022-07-20 03:42:09,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4158 transitions. [2022-07-20 03:42:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-20 03:42:09,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:09,484 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:09,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:42:09,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:09,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash -617333662, now seen corresponding path program 1 times [2022-07-20 03:42:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588022221] [2022-07-20 03:42:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:10,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:10,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588022221] [2022-07-20 03:42:10,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588022221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:10,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:10,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:10,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605052502] [2022-07-20 03:42:10,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:10,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:10,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:10,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:10,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:10,189 INFO L87 Difference]: Start difference. First operand 2907 states and 4158 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:14,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:14,455 INFO L93 Difference]: Finished difference Result 5830 states and 8418 transitions. [2022-07-20 03:42:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:14,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2022-07-20 03:42:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:14,471 INFO L225 Difference]: With dead ends: 5830 [2022-07-20 03:42:14,472 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:14,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:14,493 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 6080 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6080 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:14,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6080 Valid, 7963 Invalid, 6860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 03:42:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3325098814229248) internal successors, (2697), 2104 states have internal predecessors, (2697), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4157 transitions. [2022-07-20 03:42:14,649 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4157 transitions. Word has length 157 [2022-07-20 03:42:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:14,650 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4157 transitions. [2022-07-20 03:42:14,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4157 transitions. [2022-07-20 03:42:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-20 03:42:14,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:14,658 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:14,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:42:14,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:14,659 INFO L85 PathProgramCache]: Analyzing trace with hash -581370112, now seen corresponding path program 1 times [2022-07-20 03:42:14,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:14,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894029760] [2022-07-20 03:42:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:15,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:15,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894029760] [2022-07-20 03:42:15,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894029760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:15,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:15,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:15,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648312154] [2022-07-20 03:42:15,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:15,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:15,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:15,173 INFO L87 Difference]: Start difference. First operand 2907 states and 4157 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:19,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:19,334 INFO L93 Difference]: Finished difference Result 5830 states and 8416 transitions. [2022-07-20 03:42:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:19,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2022-07-20 03:42:19,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:19,349 INFO L225 Difference]: With dead ends: 5830 [2022-07-20 03:42:19,350 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:19,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:19,362 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 6076 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 7962 SdHoareTripleChecker+Invalid, 6859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:19,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 7962 Invalid, 6859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 03:42:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.33201581027668) internal successors, (2696), 2104 states have internal predecessors, (2696), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4156 transitions. [2022-07-20 03:42:19,458 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4156 transitions. Word has length 158 [2022-07-20 03:42:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4156 transitions. [2022-07-20 03:42:19,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4156 transitions. [2022-07-20 03:42:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-20 03:42:19,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:19,464 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:19,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:42:19,465 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash 648016542, now seen corresponding path program 1 times [2022-07-20 03:42:19,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:19,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090914894] [2022-07-20 03:42:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:19,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:19,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:19,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090914894] [2022-07-20 03:42:19,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090914894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:19,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:19,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:19,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963751007] [2022-07-20 03:42:19,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:19,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:19,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:19,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:19,925 INFO L87 Difference]: Start difference. First operand 2907 states and 4156 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:24,717 INFO L93 Difference]: Finished difference Result 5830 states and 8414 transitions. [2022-07-20 03:42:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:24,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2022-07-20 03:42:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:24,733 INFO L225 Difference]: With dead ends: 5830 [2022-07-20 03:42:24,734 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:24,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:24,748 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 6072 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6072 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:24,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6072 Valid, 7961 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 03:42:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3315217391304348) internal successors, (2695), 2104 states have internal predecessors, (2695), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4155 transitions. [2022-07-20 03:42:24,854 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4155 transitions. Word has length 159 [2022-07-20 03:42:24,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:24,855 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4155 transitions. [2022-07-20 03:42:24,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4155 transitions. [2022-07-20 03:42:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-20 03:42:24,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:24,858 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:24,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:42:24,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:24,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:24,859 INFO L85 PathProgramCache]: Analyzing trace with hash 218813756, now seen corresponding path program 1 times [2022-07-20 03:42:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:24,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175956262] [2022-07-20 03:42:24,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:24,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:25,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:25,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175956262] [2022-07-20 03:42:25,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175956262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:25,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:25,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:25,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535186349] [2022-07-20 03:42:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:25,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:25,233 INFO L87 Difference]: Start difference. First operand 2907 states and 4155 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:29,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:29,652 INFO L93 Difference]: Finished difference Result 5830 states and 8412 transitions. [2022-07-20 03:42:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:29,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2022-07-20 03:42:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:29,669 INFO L225 Difference]: With dead ends: 5830 [2022-07-20 03:42:29,669 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:29,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:29,684 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6068 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6068 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:29,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6068 Valid, 7958 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 03:42:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3310276679841897) internal successors, (2694), 2104 states have internal predecessors, (2694), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:29,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4154 transitions. [2022-07-20 03:42:29,807 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4154 transitions. Word has length 160 [2022-07-20 03:42:29,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:29,809 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4154 transitions. [2022-07-20 03:42:29,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4154 transitions. [2022-07-20 03:42:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-20 03:42:29,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:29,814 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:29,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:42:29,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash -87054118, now seen corresponding path program 1 times [2022-07-20 03:42:29,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:29,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620139805] [2022-07-20 03:42:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:30,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:30,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620139805] [2022-07-20 03:42:30,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620139805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:30,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:30,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:30,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070814604] [2022-07-20 03:42:30,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:30,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:30,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:30,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:30,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:30,236 INFO L87 Difference]: Start difference. First operand 2907 states and 4154 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:35,033 INFO L93 Difference]: Finished difference Result 5830 states and 8410 transitions. [2022-07-20 03:42:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:35,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2022-07-20 03:42:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:35,048 INFO L225 Difference]: With dead ends: 5830 [2022-07-20 03:42:35,048 INFO L226 Difference]: Without dead ends: 2942 [2022-07-20 03:42:35,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:35,062 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6064 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6064 SdHoareTripleChecker+Valid, 7957 SdHoareTripleChecker+Invalid, 6857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:35,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6064 Valid, 7957 Invalid, 6857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 03:42:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-20 03:42:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-20 03:42:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3305335968379446) internal successors, (2693), 2104 states have internal predecessors, (2693), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-07-20 03:42:35,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4153 transitions. [2022-07-20 03:42:35,189 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4153 transitions. Word has length 161 [2022-07-20 03:42:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:35,189 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4153 transitions. [2022-07-20 03:42:35,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4153 transitions. [2022-07-20 03:42:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-20 03:42:35,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:35,198 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:35,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:42:35,199 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:35,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:35,199 INFO L85 PathProgramCache]: Analyzing trace with hash -864507016, now seen corresponding path program 1 times [2022-07-20 03:42:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:35,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365029627] [2022-07-20 03:42:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:35,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365029627] [2022-07-20 03:42:35,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365029627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:35,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:35,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:35,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582784118] [2022-07-20 03:42:35,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:35,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:35,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:35,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:35,534 INFO L87 Difference]: Start difference. First operand 2907 states and 4153 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:46,751 INFO L93 Difference]: Finished difference Result 10572 states and 15160 transitions. [2022-07-20 03:42:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:42:46,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2022-07-20 03:42:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:46,797 INFO L225 Difference]: With dead ends: 10572 [2022-07-20 03:42:46,798 INFO L226 Difference]: Without dead ends: 7684 [2022-07-20 03:42:46,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:42:46,812 INFO L413 NwaCegarLoop]: 7138 mSDtfsCounter, 12713 mSDsluCounter, 8604 mSDsCounter, 0 mSdLazyCounter, 7994 mSolverCounterSat, 6017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13536 SdHoareTripleChecker+Valid, 15742 SdHoareTripleChecker+Invalid, 14011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6017 IncrementalHoareTripleChecker+Valid, 7994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:46,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13536 Valid, 15742 Invalid, 14011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6017 Valid, 7994 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-20 03:42:46,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2022-07-20 03:42:47,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7613. [2022-07-20 03:42:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 5341 states have (on average 1.3207264557199025) internal successors, (7054), 5551 states have internal predecessors, (7054), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2022-07-20 03:42:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10863 transitions. [2022-07-20 03:42:47,175 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10863 transitions. Word has length 162 [2022-07-20 03:42:47,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:47,176 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10863 transitions. [2022-07-20 03:42:47,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10863 transitions. [2022-07-20 03:42:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-20 03:42:47,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:47,181 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:47,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:42:47,181 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:47,181 INFO L85 PathProgramCache]: Analyzing trace with hash 918773526, now seen corresponding path program 1 times [2022-07-20 03:42:47,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:47,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797121014] [2022-07-20 03:42:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:47,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:47,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797121014] [2022-07-20 03:42:47,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797121014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:47,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:47,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:47,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014996731] [2022-07-20 03:42:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:47,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:47,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:47,603 INFO L87 Difference]: Start difference. First operand 7613 states and 10863 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:52,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:52,043 INFO L93 Difference]: Finished difference Result 15271 states and 22014 transitions. [2022-07-20 03:42:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:42:52,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-07-20 03:42:52,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:52,083 INFO L225 Difference]: With dead ends: 15271 [2022-07-20 03:42:52,083 INFO L226 Difference]: Without dead ends: 7677 [2022-07-20 03:42:52,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:42:52,111 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6059 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:52,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 7958 Invalid, 6855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 03:42:52,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2022-07-20 03:42:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 7613. [2022-07-20 03:42:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 5341 states have (on average 1.3201647631529676) internal successors, (7051), 5551 states have internal predecessors, (7051), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2022-07-20 03:42:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10860 transitions. [2022-07-20 03:42:52,407 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10860 transitions. Word has length 163 [2022-07-20 03:42:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:52,407 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10860 transitions. [2022-07-20 03:42:52,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:42:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10860 transitions. [2022-07-20 03:42:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-20 03:42:52,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:52,411 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:42:52,412 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:52,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:52,412 INFO L85 PathProgramCache]: Analyzing trace with hash 480412084, now seen corresponding path program 1 times [2022-07-20 03:42:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:52,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830306866] [2022-07-20 03:42:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:42:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:42:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:42:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:42:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:42:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:42:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:42:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:42:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:42:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:42:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:42:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:42:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:42:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:42:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:42:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:42:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:42:52,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:52,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830306866] [2022-07-20 03:42:52,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830306866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:52,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:52,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:42:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332942506] [2022-07-20 03:42:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:52,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:42:52,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:42:52,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:42:52,841 INFO L87 Difference]: Start difference. First operand 7613 states and 10860 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:03,485 INFO L93 Difference]: Finished difference Result 30023 states and 43587 transitions. [2022-07-20 03:43:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:43:03,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-07-20 03:43:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:03,571 INFO L225 Difference]: With dead ends: 30023 [2022-07-20 03:43:03,572 INFO L226 Difference]: Without dead ends: 22429 [2022-07-20 03:43:03,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:43:03,609 INFO L413 NwaCegarLoop]: 8535 mSDtfsCounter, 13079 mSDsluCounter, 9905 mSDsCounter, 0 mSdLazyCounter, 8942 mSolverCounterSat, 5930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13956 SdHoareTripleChecker+Valid, 18440 SdHoareTripleChecker+Invalid, 14872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5930 IncrementalHoareTripleChecker+Valid, 8942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:03,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13956 Valid, 18440 Invalid, 14872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5930 Valid, 8942 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-07-20 03:43:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22429 states. [2022-07-20 03:43:04,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22429 to 22251. [2022-07-20 03:43:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3167550981269578) internal successors, (20598), 16265 states have internal predecessors, (20598), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-20 03:43:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32255 transitions. [2022-07-20 03:43:04,662 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32255 transitions. Word has length 164 [2022-07-20 03:43:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:04,662 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32255 transitions. [2022-07-20 03:43:04,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32255 transitions. [2022-07-20 03:43:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-20 03:43:04,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:04,666 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:04,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:43:04,666 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:04,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:04,667 INFO L85 PathProgramCache]: Analyzing trace with hash -109374126, now seen corresponding path program 1 times [2022-07-20 03:43:04,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:04,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397441211] [2022-07-20 03:43:04,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:04,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397441211] [2022-07-20 03:43:04,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397441211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:04,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:04,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146733725] [2022-07-20 03:43:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:04,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:04,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:04,981 INFO L87 Difference]: Start difference. First operand 22251 states and 32255 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:08,837 INFO L93 Difference]: Finished difference Result 44651 states and 65788 transitions. [2022-07-20 03:43:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:43:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-07-20 03:43:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:08,934 INFO L225 Difference]: With dead ends: 44651 [2022-07-20 03:43:08,935 INFO L226 Difference]: Without dead ends: 22419 [2022-07-20 03:43:09,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:43:09,034 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 6054 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 7957 SdHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:09,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 7957 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-20 03:43:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-20 03:43:10,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-20 03:43:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3161797609154253) internal successors, (20589), 16265 states have internal predecessors, (20589), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-20 03:43:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32246 transitions. [2022-07-20 03:43:10,196 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32246 transitions. Word has length 165 [2022-07-20 03:43:10,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:10,197 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32246 transitions. [2022-07-20 03:43:10,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:10,197 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32246 transitions. [2022-07-20 03:43:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-20 03:43:10,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:10,201 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:10,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 03:43:10,202 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:10,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:10,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1098360848, now seen corresponding path program 1 times [2022-07-20 03:43:10,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:10,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829565455] [2022-07-20 03:43:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:10,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:10,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:10,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829565455] [2022-07-20 03:43:10,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829565455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:10,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:10,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:10,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118002562] [2022-07-20 03:43:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:10,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:10,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:10,645 INFO L87 Difference]: Start difference. First operand 22251 states and 32246 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:16,373 INFO L93 Difference]: Finished difference Result 44651 states and 65770 transitions. [2022-07-20 03:43:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:43:16,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2022-07-20 03:43:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:16,485 INFO L225 Difference]: With dead ends: 44651 [2022-07-20 03:43:16,485 INFO L226 Difference]: Without dead ends: 22419 [2022-07-20 03:43:16,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:43:16,630 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 6050 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:16,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 7956 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 03:43:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-20 03:43:17,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-20 03:43:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.315604423703893) internal successors, (20580), 16265 states have internal predecessors, (20580), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-20 03:43:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32237 transitions. [2022-07-20 03:43:17,885 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32237 transitions. Word has length 166 [2022-07-20 03:43:17,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:17,887 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32237 transitions. [2022-07-20 03:43:17,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32237 transitions. [2022-07-20 03:43:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-20 03:43:17,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:17,893 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:17,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 03:43:17,893 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1577661554, now seen corresponding path program 1 times [2022-07-20 03:43:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:17,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264990365] [2022-07-20 03:43:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:18,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264990365] [2022-07-20 03:43:18,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264990365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:18,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:18,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086700259] [2022-07-20 03:43:18,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:18,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:18,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:18,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:18,292 INFO L87 Difference]: Start difference. First operand 22251 states and 32237 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:23,894 INFO L93 Difference]: Finished difference Result 44651 states and 65752 transitions. [2022-07-20 03:43:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:43:23,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2022-07-20 03:43:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:24,026 INFO L225 Difference]: With dead ends: 44651 [2022-07-20 03:43:24,026 INFO L226 Difference]: Without dead ends: 22419 [2022-07-20 03:43:24,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:43:24,178 INFO L413 NwaCegarLoop]: 3913 mSDtfsCounter, 6046 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:24,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 7953 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2883 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 03:43:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-20 03:43:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-20 03:43:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3150290864923608) internal successors, (20571), 16265 states have internal predecessors, (20571), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-20 03:43:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32228 transitions. [2022-07-20 03:43:25,452 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32228 transitions. Word has length 167 [2022-07-20 03:43:25,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:25,453 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32228 transitions. [2022-07-20 03:43:25,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32228 transitions. [2022-07-20 03:43:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-20 03:43:25,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:25,457 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:25,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 03:43:25,458 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:25,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:25,458 INFO L85 PathProgramCache]: Analyzing trace with hash 858402348, now seen corresponding path program 1 times [2022-07-20 03:43:25,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:25,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51108151] [2022-07-20 03:43:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:25,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:25,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:25,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51108151] [2022-07-20 03:43:25,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51108151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:25,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:25,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107033403] [2022-07-20 03:43:25,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:25,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:25,847 INFO L87 Difference]: Start difference. First operand 22251 states and 32228 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:31,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:31,826 INFO L93 Difference]: Finished difference Result 44651 states and 65734 transitions. [2022-07-20 03:43:31,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:43:31,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2022-07-20 03:43:31,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:31,960 INFO L225 Difference]: With dead ends: 44651 [2022-07-20 03:43:31,960 INFO L226 Difference]: Without dead ends: 22419 [2022-07-20 03:43:32,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:43:32,118 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 6042 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 7952 SdHoareTripleChecker+Invalid, 6852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:32,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 7952 Invalid, 6852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 03:43:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-20 03:43:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-20 03:43:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3144537492808286) internal successors, (20562), 16265 states have internal predecessors, (20562), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-20 03:43:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32219 transitions. [2022-07-20 03:43:33,582 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32219 transitions. Word has length 168 [2022-07-20 03:43:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:33,585 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32219 transitions. [2022-07-20 03:43:33,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32219 transitions. [2022-07-20 03:43:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-20 03:43:33,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:33,589 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:33,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 03:43:33,590 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:33,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:33,590 INFO L85 PathProgramCache]: Analyzing trace with hash -818511414, now seen corresponding path program 1 times [2022-07-20 03:43:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:33,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325041259] [2022-07-20 03:43:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:33,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:33,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325041259] [2022-07-20 03:43:33,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325041259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:33,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:33,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:33,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522653139] [2022-07-20 03:43:33,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:33,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:33,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:33,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:33,945 INFO L87 Difference]: Start difference. First operand 22251 states and 32219 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:42,483 INFO L93 Difference]: Finished difference Result 65202 states and 96486 transitions. [2022-07-20 03:43:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:43:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2022-07-20 03:43:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:42,669 INFO L225 Difference]: With dead ends: 65202 [2022-07-20 03:43:42,670 INFO L226 Difference]: Without dead ends: 42970 [2022-07-20 03:43:42,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:43:42,772 INFO L413 NwaCegarLoop]: 6881 mSDtfsCounter, 10194 mSDsluCounter, 8800 mSDsCounter, 0 mSdLazyCounter, 7744 mSolverCounterSat, 4622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10903 SdHoareTripleChecker+Valid, 15681 SdHoareTripleChecker+Invalid, 12366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4622 IncrementalHoareTripleChecker+Valid, 7744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:42,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10903 Valid, 15681 Invalid, 12366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4622 Valid, 7744 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 03:43:42,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42970 states. [2022-07-20 03:43:44,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42970 to 42621. [2022-07-20 03:43:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42621 states, 30179 states have (on average 1.3048146061831074) internal successors, (39378), 31353 states have internal predecessors, (39378), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2500 states have return successors, (14010), 9328 states have call predecessors, (14010), 9941 states have call successors, (14010) [2022-07-20 03:43:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 63329 transitions. [2022-07-20 03:43:45,337 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 63329 transitions. Word has length 169 [2022-07-20 03:43:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:45,338 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 63329 transitions. [2022-07-20 03:43:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 03:43:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 63329 transitions. [2022-07-20 03:43:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-20 03:43:45,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:45,371 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:43:45,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 03:43:45,372 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:45,372 INFO L85 PathProgramCache]: Analyzing trace with hash -789882263, now seen corresponding path program 1 times [2022-07-20 03:43:45,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:45,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784054296] [2022-07-20 03:43:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:45,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 03:43:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 03:43:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 03:43:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 03:43:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 03:43:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:43:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:43:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:43:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:43:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:43:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:43:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 03:43:45,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:45,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784054296] [2022-07-20 03:43:45,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784054296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:45,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:45,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:43:45,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992303514] [2022-07-20 03:43:45,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:45,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:43:45,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:45,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:43:45,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:43:45,673 INFO L87 Difference]: Start difference. First operand 42621 states and 63329 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 03:43:51,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:51,093 INFO L93 Difference]: Finished difference Result 43052 states and 64178 transitions. [2022-07-20 03:43:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:43:51,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 169 [2022-07-20 03:43:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:51,295 INFO L225 Difference]: With dead ends: 43052 [2022-07-20 03:43:51,295 INFO L226 Difference]: Without dead ends: 43050 [2022-07-20 03:43:51,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:43:51,335 INFO L413 NwaCegarLoop]: 3932 mSDtfsCounter, 725 mSDsluCounter, 10085 mSDsCounter, 0 mSdLazyCounter, 5134 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 5873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 5134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:51,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 14017 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 5134 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 03:43:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43050 states. [2022-07-20 03:43:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43050 to 42711. [2022-07-20 03:43:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42711 states, 30239 states have (on average 1.3040113760375673) internal successors, (39432), 31428 states have internal predecessors, (39432), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2530 states have return successors, (14062), 9343 states have call predecessors, (14062), 9941 states have call successors, (14062) [2022-07-20 03:43:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42711 states to 42711 states and 63435 transitions. [2022-07-20 03:43:53,848 INFO L78 Accepts]: Start accepts. Automaton has 42711 states and 63435 transitions. Word has length 169 [2022-07-20 03:43:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:53,849 INFO L495 AbstractCegarLoop]: Abstraction has 42711 states and 63435 transitions. [2022-07-20 03:43:53,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 03:43:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 42711 states and 63435 transitions. [2022-07-20 03:43:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 03:43:53,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:53,856 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 03:43:53,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 03:43:53,857 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1341095956, now seen corresponding path program 1 times [2022-07-20 03:43:53,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:43:53,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152955325] [2022-07-20 03:43:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:53,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:43:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:43:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:43:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:43:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:43:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:43:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:43:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:43:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:43:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 03:43:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 03:43:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:43:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:43:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:43:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:43:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:43:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 03:43:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:43:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 03:43:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:43:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:43:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:43:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:43:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:43:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 03:43:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 03:43:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:43:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:43:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-20 03:43:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:43:55,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152955325] [2022-07-20 03:43:55,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152955325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:55,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:55,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:43:55,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227277350] [2022-07-20 03:43:55,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:55,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:43:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:43:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:43:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:43:55,022 INFO L87 Difference]: Start difference. First operand 42711 states and 63435 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:44:02,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:02,925 INFO L93 Difference]: Finished difference Result 76121 states and 115321 transitions. [2022-07-20 03:44:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:44:02,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 259 [2022-07-20 03:44:02,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:03,127 INFO L225 Difference]: With dead ends: 76121 [2022-07-20 03:44:03,128 INFO L226 Difference]: Without dead ends: 45019 [2022-07-20 03:44:03,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-20 03:44:03,502 INFO L413 NwaCegarLoop]: 3693 mSDtfsCounter, 2917 mSDsluCounter, 8123 mSDsCounter, 0 mSdLazyCounter, 8948 mSolverCounterSat, 2053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 11816 SdHoareTripleChecker+Invalid, 11001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2053 IncrementalHoareTripleChecker+Valid, 8948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:03,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 11816 Invalid, 11001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2053 Valid, 8948 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-20 03:44:03,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45019 states. [2022-07-20 03:44:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45019 to 44463. [2022-07-20 03:44:05,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44463 states, 31601 states have (on average 1.3048321255656468) internal successors, (41234), 32862 states have internal predecessors, (41234), 10267 states have call successors, (10267), 2688 states have call predecessors, (10267), 2594 states have return successors, (14591), 9687 states have call predecessors, (14591), 10267 states have call successors, (14591) [2022-07-20 03:44:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44463 states to 44463 states and 66092 transitions. [2022-07-20 03:44:06,314 INFO L78 Accepts]: Start accepts. Automaton has 44463 states and 66092 transitions. Word has length 259 [2022-07-20 03:44:06,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:06,315 INFO L495 AbstractCegarLoop]: Abstraction has 44463 states and 66092 transitions. [2022-07-20 03:44:06,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:44:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 44463 states and 66092 transitions. [2022-07-20 03:44:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 03:44:06,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:06,322 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 03:44:06,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 03:44:06,322 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:44:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1737197893, now seen corresponding path program 1 times [2022-07-20 03:44:06,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:06,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124348568] [2022-07-20 03:44:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:44:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:44:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:44:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:44:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 03:44:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 03:44:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:44:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:44:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:44:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:44:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:44:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 03:44:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:44:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 03:44:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:44:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:44:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:44:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 03:44:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 03:44:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:44:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 03:44:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-20 03:44:06,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:06,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124348568] [2022-07-20 03:44:06,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124348568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:06,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:06,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:44:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079871780] [2022-07-20 03:44:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:06,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:44:06,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:44:06,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:06,729 INFO L87 Difference]: Start difference. First operand 44463 states and 66092 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:44:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:13,076 INFO L93 Difference]: Finished difference Result 78347 states and 118829 transitions. [2022-07-20 03:44:13,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:44:13,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 262 [2022-07-20 03:44:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:13,245 INFO L225 Difference]: With dead ends: 78347 [2022-07-20 03:44:13,246 INFO L226 Difference]: Without dead ends: 45493 [2022-07-20 03:44:13,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:44:13,465 INFO L413 NwaCegarLoop]: 3708 mSDtfsCounter, 3014 mSDsluCounter, 4167 mSDsCounter, 0 mSdLazyCounter, 4313 mSolverCounterSat, 2094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 7875 SdHoareTripleChecker+Invalid, 6407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2094 IncrementalHoareTripleChecker+Valid, 4313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:13,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3331 Valid, 7875 Invalid, 6407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2094 Valid, 4313 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 03:44:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45493 states. [2022-07-20 03:44:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45493 to 44463. [2022-07-20 03:44:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44463 states, 31601 states have (on average 1.3039460776557703) internal successors, (41206), 32862 states have internal predecessors, (41206), 10267 states have call successors, (10267), 2688 states have call predecessors, (10267), 2594 states have return successors, (14591), 9687 states have call predecessors, (14591), 10267 states have call successors, (14591) [2022-07-20 03:44:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44463 states to 44463 states and 66064 transitions. [2022-07-20 03:44:16,206 INFO L78 Accepts]: Start accepts. Automaton has 44463 states and 66064 transitions. Word has length 262 [2022-07-20 03:44:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:16,207 INFO L495 AbstractCegarLoop]: Abstraction has 44463 states and 66064 transitions. [2022-07-20 03:44:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:44:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44463 states and 66064 transitions. [2022-07-20 03:44:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-20 03:44:16,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:44:16,227 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 03:44:16,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 03:44:16,227 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:44:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:44:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1605238265, now seen corresponding path program 1 times [2022-07-20 03:44:16,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:44:16,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292911019] [2022-07-20 03:44:16,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:44:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:44:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 03:44:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:44:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 03:44:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 03:44:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:44:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:44:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:44:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 03:44:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 03:44:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 03:44:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:44:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:44:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 03:44:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:44:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:44:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 03:44:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:44:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 03:44:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:44:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:44:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:44:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:44:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:44:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 03:44:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 03:44:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:44:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 03:44:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:44:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-20 03:44:17,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:44:17,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292911019] [2022-07-20 03:44:17,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292911019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:44:17,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:44:17,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:44:17,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257934840] [2022-07-20 03:44:17,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:44:17,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:44:17,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:44:17,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:44:17,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:44:17,141 INFO L87 Difference]: Start difference. First operand 44463 states and 66064 transitions. Second operand has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:44:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:24,931 INFO L93 Difference]: Finished difference Result 77674 states and 116849 transitions. [2022-07-20 03:44:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:44:24,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 265 [2022-07-20 03:44:24,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:25,182 INFO L225 Difference]: With dead ends: 77674 [2022-07-20 03:44:25,183 INFO L226 Difference]: Without dead ends: 44820 [2022-07-20 03:44:25,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:44:25,524 INFO L413 NwaCegarLoop]: 3661 mSDtfsCounter, 2883 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 8936 mSolverCounterSat, 2045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 11703 SdHoareTripleChecker+Invalid, 10981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 8936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:25,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 11703 Invalid, 10981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2045 Valid, 8936 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-20 03:44:25,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44820 states.