./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:21:09,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:21:09,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:21:09,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:21:09,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:21:09,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:21:09,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:21:09,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:21:09,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:21:09,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:21:09,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:21:09,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:21:09,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:21:09,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:21:09,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:21:09,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:21:09,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:21:09,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:21:09,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:21:09,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:21:09,540 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:21:09,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:21:09,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:21:09,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:21:09,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:21:09,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:21:09,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:21:09,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:21:09,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:21:09,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:21:09,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:21:09,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:21:09,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:21:09,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:21:09,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:21:09,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:21:09,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:21:09,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:21:09,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:21:09,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:21:09,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:21:09,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:21:09,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:21:09,568 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:21:09,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:21:09,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:21:09,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:21:09,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:21:09,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:21:09,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:21:09,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:21:09,570 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:21:09,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:21:09,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:21:09,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:21:09,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:21:09,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:21:09,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:21:09,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:21:09,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:21:09,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:21:09,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:21:09,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:21:09,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:21:09,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:21:09,579 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:21:09,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:21:09,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:21:09,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2022-07-14 04:21:09,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:21:09,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:21:09,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:21:09,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:21:09,927 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:21:09,928 INFO L432 ainManager$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 [2022-07-14 04:21:10,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef0cb2069/03df2702fdd042fd82be5b6c9c987a1d/FLAG9c12be5a4 [2022-07-14 04:21:10,640 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:21:10,640 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 [2022-07-14 04:21:10,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef0cb2069/03df2702fdd042fd82be5b6c9c987a1d/FLAG9c12be5a4 [2022-07-14 04:21:10,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef0cb2069/03df2702fdd042fd82be5b6c9c987a1d [2022-07-14 04:21:10,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:21:10,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:21:10,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:21:10,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:21:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:21:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:21:10" (1/1) ... [2022-07-14 04:21:10,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9d9d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:10, skipping insertion in model container [2022-07-14 04:21:10,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:21:10" (1/1) ... [2022-07-14 04:21:10,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:21:11,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:21:14,254 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] [2022-07-14 04:21:14,257 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] [2022-07-14 04:21:14,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:21:14,322 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:21:14,617 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] [2022-07-14 04:21:14,617 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] [2022-07-14 04:21:14,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:21:14,788 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:21:14,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14 WrapperNode [2022-07-14 04:21:14,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:21:14,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:21:14,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:21:14,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:21:14,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:14,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,187 INFO L137 Inliner]: procedures = 548, calls = 4417, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8995 [2022-07-14 04:21:15,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:21:15,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:21:15,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:21:15,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:21:15,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:21:15,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:21:15,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:21:15,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:21:15,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (1/1) ... [2022-07-14 04:21:15,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:21:15,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:21:15,572 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) [2022-07-14 04:21:15,620 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 [2022-07-14 04:21:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2022-07-14 04:21:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2022-07-14 04:21:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:21:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:21:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:21:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:21:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:21:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:21:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-14 04:21:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-14 04:21:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-14 04:21:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-14 04:21:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:21:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:21:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-14 04:21:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-14 04:21:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2022-07-14 04:21:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2022-07-14 04:21:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:21:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:21:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 04:21:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 04:21:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-14 04:21:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-14 04:21:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-14 04:21:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-14 04:21:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 04:21:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 04:21:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-14 04:21:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-14 04:21:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:21:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:21:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 04:21:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 04:21:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-14 04:21:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-14 04:21:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-14 04:21:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-14 04:21:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 04:21:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 04:21:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:21:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:21:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-07-14 04:21:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-07-14 04:21:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:21:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:21:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-14 04:21:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-14 04:21:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-14 04:21:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-14 04:21:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-14 04:21:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-14 04:21:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:21:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:21:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:21:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:21:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:21:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:21:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 04:21:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 04:21:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:21:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:21:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-14 04:21:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-14 04:21:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:21:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:21:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:21:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:21:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 04:21:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 04:21:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:21:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:21:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-07-14 04:21:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-07-14 04:21:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 04:21:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 04:21:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:21:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-14 04:21:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-14 04:21:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 04:21:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 04:21:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:21:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:21:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-14 04:21:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-14 04:21:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:21:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:21:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-14 04:21:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-14 04:21:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:21:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-14 04:21:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-14 04:21:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-14 04:21:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-14 04:21:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-14 04:21:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-14 04:21:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:21:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:21:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 04:21:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 04:21:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:21:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:21:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:21:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-14 04:21:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-14 04:21:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:21:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:21:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:21:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-14 04:21:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-14 04:21:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-14 04:21:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-14 04:21:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:21:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:21:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:21:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:21:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:21:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:21:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:21:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:21:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:21:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:21:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:21:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:21:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-14 04:21:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-14 04:21:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-14 04:21:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-14 04:21:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 04:21:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 04:21:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:21:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:21:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-14 04:21:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-14 04:21:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:21:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:21:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-14 04:21:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-14 04:21:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:21:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-14 04:21:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:21:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:21:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:21:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:21:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 04:21:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 04:21:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:21:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:21:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-14 04:21:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-14 04:21:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:21:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:21:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 04:21:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 04:21:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 04:21:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 04:21:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-14 04:21:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-14 04:21:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:21:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:21:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-14 04:21:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-14 04:21:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-14 04:21:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-14 04:21:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 04:21:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 04:21:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-14 04:21:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-14 04:21:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:21:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:21:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-14 04:21:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-14 04:21:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:21:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:21:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 04:21:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 04:21:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-14 04:21:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-14 04:21:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:21:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:21:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-14 04:21:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-14 04:21:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-14 04:21:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-14 04:21:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-14 04:21:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-14 04:21:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 04:21:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 04:21:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-14 04:21:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-14 04:21:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 04:21:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 04:21:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-14 04:21:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-14 04:21:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-14 04:21:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-14 04:21:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-14 04:21:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-14 04:21:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:21:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:21:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-14 04:21:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:21:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:21:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-14 04:21:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-14 04:21:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:21:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:21:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:21:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:21:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 04:21:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 04:21:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:21:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:21:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:21:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-14 04:21:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 04:21:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:21:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:21:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-14 04:21:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-14 04:21:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-14 04:21:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-14 04:21:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:21:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 04:21:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 04:21:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-07-14 04:21:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-07-14 04:21:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 04:21:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 04:21:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:21:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:21:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:21:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:21:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 04:21:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 04:21:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 04:21:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 04:21:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-14 04:21:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-14 04:21:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-14 04:21:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-14 04:21:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-14 04:21:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-14 04:21:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 04:21:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 04:21:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-14 04:21:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-14 04:21:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-14 04:21:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-14 04:21:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:21:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:21:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:21:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:21:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 04:21:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 04:21:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-14 04:21:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:21:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-14 04:21:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-07-14 04:21:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-14 04:21:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-14 04:21:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-14 04:21:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-14 04:21:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-14 04:21:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-14 04:21:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:21:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:21:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-14 04:21:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-14 04:21:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-14 04:21:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-14 04:21:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-07-14 04:21:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-07-14 04:21:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:21:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:21:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-14 04:21:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-14 04:21:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:21:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:21:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-14 04:21:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-14 04:21:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-14 04:21:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-14 04:21:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:21:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:21:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:21:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:21:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 04:21:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 04:21:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:21:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:21:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-14 04:21:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-14 04:21:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:21:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:21:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-14 04:21:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-14 04:21:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-14 04:21:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-14 04:21:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:21:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:21:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:21:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 04:21:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 04:21:16,494 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:21:16,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:21:17,746 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:21:21,637 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:21:21,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:21:21,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:21:21,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:21:21 BoogieIcfgContainer [2022-07-14 04:21:21,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:21:21,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:21:21,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:21:21,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:21:21,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:21:10" (1/3) ... [2022-07-14 04:21:21,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7923ed5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:21:21, skipping insertion in model container [2022-07-14 04:21:21,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:14" (2/3) ... [2022-07-14 04:21:21,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7923ed5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:21:21, skipping insertion in model container [2022-07-14 04:21:21,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:21:21" (3/3) ... [2022-07-14 04:21:21,691 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-14 04:21:21,706 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:21:21,719 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 04:21:21,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:21:21,832 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@9cdf767, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@68f89bf8 [2022-07-14 04:21:21,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 04:21:21,844 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) [2022-07-14 04:21:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-14 04:21:21,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:21,911 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] [2022-07-14 04:21:21,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:21,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:21,926 INFO L85 PathProgramCache]: Analyzing trace with hash -60610364, now seen corresponding path program 1 times [2022-07-14 04:21:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:21,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064109026] [2022-07-14 04:21:21,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:22,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064109026] [2022-07-14 04:21:22,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064109026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:22,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:22,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:21:22,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934327140] [2022-07-14 04:21:22,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:22,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:21:22,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:21:22,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:21:22,990 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) [2022-07-14 04:21:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:27,037 INFO L93 Difference]: Finished difference Result 5936 states and 8778 transitions. [2022-07-14 04:21:27,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:27,039 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 [2022-07-14 04:21:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:27,072 INFO L225 Difference]: With dead ends: 5936 [2022-07-14 04:21:27,072 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:27,102 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 [2022-07-14 04:21:27,105 INFO L413 NwaCegarLoop]: 3997 mSDtfsCounter, 4048 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:27,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 8100 Invalid, 4424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1454 Valid, 2970 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-14 04:21:27,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:27,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:27,305 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) [2022-07-14 04:21:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4158 transitions. [2022-07-14 04:21:27,354 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4158 transitions. Word has length 156 [2022-07-14 04:21:27,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:27,357 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4158 transitions. [2022-07-14 04:21:27,357 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) [2022-07-14 04:21:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4158 transitions. [2022-07-14 04:21:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-14 04:21:27,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:27,378 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] [2022-07-14 04:21:27,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:21:27,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:27,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -617333662, now seen corresponding path program 1 times [2022-07-14 04:21:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:27,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501791416] [2022-07-14 04:21:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:28,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:28,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501791416] [2022-07-14 04:21:28,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501791416] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:28,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:28,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:28,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189700982] [2022-07-14 04:21:28,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:28,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:28,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:28,107 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) [2022-07-14 04:21:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:32,843 INFO L93 Difference]: Finished difference Result 5830 states and 8418 transitions. [2022-07-14 04:21:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:32,844 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 [2022-07-14 04:21:32,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:32,860 INFO L225 Difference]: With dead ends: 5830 [2022-07-14 04:21:32,861 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:32,875 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 [2022-07-14 04:21:32,880 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 6080 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6080 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 6861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:32,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6080 Valid, 7961 Invalid, 6861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 04:21:32,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:32,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:32,999 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) [2022-07-14 04:21:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4157 transitions. [2022-07-14 04:21:33,017 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4157 transitions. Word has length 157 [2022-07-14 04:21:33,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:33,018 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4157 transitions. [2022-07-14 04:21:33,018 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) [2022-07-14 04:21:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4157 transitions. [2022-07-14 04:21:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-14 04:21:33,021 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:33,021 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] [2022-07-14 04:21:33,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:21:33,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:33,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:33,022 INFO L85 PathProgramCache]: Analyzing trace with hash -581370112, now seen corresponding path program 1 times [2022-07-14 04:21:33,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:33,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574950110] [2022-07-14 04:21:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:33,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:33,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:33,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574950110] [2022-07-14 04:21:33,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574950110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:33,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:33,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:33,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532515981] [2022-07-14 04:21:33,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:33,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:33,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:33,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:33,466 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) [2022-07-14 04:21:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:37,812 INFO L93 Difference]: Finished difference Result 5830 states and 8416 transitions. [2022-07-14 04:21:37,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:37,812 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 [2022-07-14 04:21:37,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:37,830 INFO L225 Difference]: With dead ends: 5830 [2022-07-14 04:21:37,830 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:37,842 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 [2022-07-14 04:21:37,844 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 6076 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:37,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 7960 Invalid, 6860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-14 04:21:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:37,950 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) [2022-07-14 04:21:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4156 transitions. [2022-07-14 04:21:37,973 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4156 transitions. Word has length 158 [2022-07-14 04:21:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:37,976 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4156 transitions. [2022-07-14 04:21:37,976 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) [2022-07-14 04:21:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4156 transitions. [2022-07-14 04:21:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-14 04:21:37,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:37,980 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] [2022-07-14 04:21:37,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:21:37,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:37,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash 648016542, now seen corresponding path program 1 times [2022-07-14 04:21:37,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:37,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501982331] [2022-07-14 04:21:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:37,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:38,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:38,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501982331] [2022-07-14 04:21:38,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501982331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:38,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:38,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584292917] [2022-07-14 04:21:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:38,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:38,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:38,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:38,440 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) [2022-07-14 04:21:43,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:43,217 INFO L93 Difference]: Finished difference Result 5830 states and 8414 transitions. [2022-07-14 04:21:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:43,217 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 [2022-07-14 04:21:43,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:43,237 INFO L225 Difference]: With dead ends: 5830 [2022-07-14 04:21:43,238 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:43,250 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 [2022-07-14 04:21:43,252 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 [2022-07-14 04:21:43,252 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] [2022-07-14 04:21:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:43,337 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) [2022-07-14 04:21:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4155 transitions. [2022-07-14 04:21:43,347 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4155 transitions. Word has length 159 [2022-07-14 04:21:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:43,348 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4155 transitions. [2022-07-14 04:21:43,358 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) [2022-07-14 04:21:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4155 transitions. [2022-07-14 04:21:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-14 04:21:43,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:43,362 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] [2022-07-14 04:21:43,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:21:43,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:43,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:43,362 INFO L85 PathProgramCache]: Analyzing trace with hash 218813756, now seen corresponding path program 1 times [2022-07-14 04:21:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:43,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599490753] [2022-07-14 04:21:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:43,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:43,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:43,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599490753] [2022-07-14 04:21:43,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599490753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:43,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:43,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:43,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371917157] [2022-07-14 04:21:43,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:43,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:43,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:43,803 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) [2022-07-14 04:21:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:47,909 INFO L93 Difference]: Finished difference Result 5830 states and 8412 transitions. [2022-07-14 04:21:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:47,910 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 [2022-07-14 04:21:47,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:47,933 INFO L225 Difference]: With dead ends: 5830 [2022-07-14 04:21:47,943 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:47,963 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 [2022-07-14 04:21:47,964 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6068 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:47,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6068 Valid, 7958 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 04:21:47,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:48,171 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) [2022-07-14 04:21:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4154 transitions. [2022-07-14 04:21:48,197 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4154 transitions. Word has length 160 [2022-07-14 04:21:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:48,197 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4154 transitions. [2022-07-14 04:21:48,198 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) [2022-07-14 04:21:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4154 transitions. [2022-07-14 04:21:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-14 04:21:48,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:48,202 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] [2022-07-14 04:21:48,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:21:48,202 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:48,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:48,202 INFO L85 PathProgramCache]: Analyzing trace with hash -87054118, now seen corresponding path program 1 times [2022-07-14 04:21:48,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:48,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689506408] [2022-07-14 04:21:48,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:48,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:48,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:48,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689506408] [2022-07-14 04:21:48,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689506408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:48,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:48,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:48,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954753673] [2022-07-14 04:21:48,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:48,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:48,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:48,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:48,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:48,640 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) [2022-07-14 04:21:51,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:51,977 INFO L93 Difference]: Finished difference Result 5830 states and 8410 transitions. [2022-07-14 04:21:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:51,977 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 [2022-07-14 04:21:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:52,060 INFO L225 Difference]: With dead ends: 5830 [2022-07-14 04:21:52,060 INFO L226 Difference]: Without dead ends: 2942 [2022-07-14 04:21:52,071 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 [2022-07-14 04:21:52,072 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6064 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6064 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 6856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:52,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6064 Valid, 7959 Invalid, 6856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-14 04:21:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-14 04:21:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-14 04:21:52,187 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) [2022-07-14 04:21:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4153 transitions. [2022-07-14 04:21:52,197 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4153 transitions. Word has length 161 [2022-07-14 04:21:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:52,198 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4153 transitions. [2022-07-14 04:21:52,198 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) [2022-07-14 04:21:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4153 transitions. [2022-07-14 04:21:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-14 04:21:52,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:52,201 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] [2022-07-14 04:21:52,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:21:52,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash -864507016, now seen corresponding path program 1 times [2022-07-14 04:21:52,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:52,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21962336] [2022-07-14 04:21:52,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:21:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:21:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:21:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:21:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:21:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:21:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:21:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:21:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:21:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:21:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:21:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:21:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:21:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:21:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:21:52,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:52,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21962336] [2022-07-14 04:21:52,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21962336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:52,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:52,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:21:52,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709524554] [2022-07-14 04:21:52,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:52,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:21:52,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:52,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:21:52,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:21:52,574 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) [2022-07-14 04:22:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:00,393 INFO L93 Difference]: Finished difference Result 10572 states and 15160 transitions. [2022-07-14 04:22:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:22:00,395 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 [2022-07-14 04:22:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:00,476 INFO L225 Difference]: With dead ends: 10572 [2022-07-14 04:22:00,477 INFO L226 Difference]: Without dead ends: 7684 [2022-07-14 04:22:00,488 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 [2022-07-14 04:22:00,488 INFO L413 NwaCegarLoop]: 7138 mSDtfsCounter, 12713 mSDsluCounter, 8604 mSDsCounter, 0 mSdLazyCounter, 7994 mSolverCounterSat, 6017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 7.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:00,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13536 Valid, 15742 Invalid, 14011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6017 Valid, 7994 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-14 04:22:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2022-07-14 04:22:00,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7613. [2022-07-14 04:22:00,868 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) [2022-07-14 04:22:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10863 transitions. [2022-07-14 04:22:00,899 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10863 transitions. Word has length 162 [2022-07-14 04:22:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:00,900 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10863 transitions. [2022-07-14 04:22:00,900 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) [2022-07-14 04:22:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10863 transitions. [2022-07-14 04:22:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-14 04:22:00,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:00,903 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] [2022-07-14 04:22:00,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:22:00,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:00,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:00,904 INFO L85 PathProgramCache]: Analyzing trace with hash 918773526, now seen corresponding path program 1 times [2022-07-14 04:22:00,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:00,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753664460] [2022-07-14 04:22:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:00,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:01,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:01,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753664460] [2022-07-14 04:22:01,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753664460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:01,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:01,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:01,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297411433] [2022-07-14 04:22:01,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:01,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:01,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:01,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:01,414 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) [2022-07-14 04:22:07,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:07,189 INFO L93 Difference]: Finished difference Result 15271 states and 22014 transitions. [2022-07-14 04:22:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:07,199 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 [2022-07-14 04:22:07,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:07,261 INFO L225 Difference]: With dead ends: 15271 [2022-07-14 04:22:07,261 INFO L226 Difference]: Without dead ends: 7677 [2022-07-14 04:22:07,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:22:07,338 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6059 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 5.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:07,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 7958 Invalid, 6855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-14 04:22:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2022-07-14 04:22:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 7613. [2022-07-14 04:22:07,936 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) [2022-07-14 04:22:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10860 transitions. [2022-07-14 04:22:07,974 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10860 transitions. Word has length 163 [2022-07-14 04:22:07,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:07,975 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10860 transitions. [2022-07-14 04:22:07,976 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) [2022-07-14 04:22:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10860 transitions. [2022-07-14 04:22:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-14 04:22:07,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:07,979 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] [2022-07-14 04:22:07,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 04:22:07,980 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash 480412084, now seen corresponding path program 1 times [2022-07-14 04:22:07,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:07,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361085267] [2022-07-14 04:22:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:07,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:08,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:08,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361085267] [2022-07-14 04:22:08,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361085267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:08,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:08,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:08,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489436372] [2022-07-14 04:22:08,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:08,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:08,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:08,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:08,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:08,317 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) [2022-07-14 04:22:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:19,684 INFO L93 Difference]: Finished difference Result 30023 states and 43587 transitions. [2022-07-14 04:22:19,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:22:19,684 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 [2022-07-14 04:22:19,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:19,792 INFO L225 Difference]: With dead ends: 30023 [2022-07-14 04:22:19,792 INFO L226 Difference]: Without dead ends: 22429 [2022-07-14 04:22:19,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:22:19,832 INFO L413 NwaCegarLoop]: 8533 mSDtfsCounter, 13079 mSDsluCounter, 9902 mSDsCounter, 0 mSdLazyCounter, 8941 mSolverCounterSat, 5932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13956 SdHoareTripleChecker+Valid, 18435 SdHoareTripleChecker+Invalid, 14873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5932 IncrementalHoareTripleChecker+Valid, 8941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:19,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13956 Valid, 18435 Invalid, 14873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5932 Valid, 8941 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-14 04:22:19,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22429 states. [2022-07-14 04:22:20,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22429 to 22251. [2022-07-14 04:22:21,032 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) [2022-07-14 04:22:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32255 transitions. [2022-07-14 04:22:21,186 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32255 transitions. Word has length 164 [2022-07-14 04:22:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:21,187 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32255 transitions. [2022-07-14 04:22:21,187 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) [2022-07-14 04:22:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32255 transitions. [2022-07-14 04:22:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-14 04:22:21,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:21,192 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] [2022-07-14 04:22:21,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 04:22:21,192 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:21,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash -109374126, now seen corresponding path program 1 times [2022-07-14 04:22:21,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:21,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586022936] [2022-07-14 04:22:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:21,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:21,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586022936] [2022-07-14 04:22:21,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586022936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:21,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:21,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:21,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812107741] [2022-07-14 04:22:21,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:21,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:21,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:21,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:21,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:21,591 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) [2022-07-14 04:22:26,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:26,581 INFO L93 Difference]: Finished difference Result 44651 states and 65788 transitions. [2022-07-14 04:22:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:26,582 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 [2022-07-14 04:22:26,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:26,809 INFO L225 Difference]: With dead ends: 44651 [2022-07-14 04:22:26,810 INFO L226 Difference]: Without dead ends: 22419 [2022-07-14 04:22:27,058 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 [2022-07-14 04:22:27,060 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 6054 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:27,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 7957 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-14 04:22:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-14 04:22:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-14 04:22:28,580 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) [2022-07-14 04:22:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32246 transitions. [2022-07-14 04:22:28,779 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32246 transitions. Word has length 165 [2022-07-14 04:22:28,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:28,779 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32246 transitions. [2022-07-14 04:22:28,780 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) [2022-07-14 04:22:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32246 transitions. [2022-07-14 04:22:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 04:22:28,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:28,784 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] [2022-07-14 04:22:28,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 04:22:28,785 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:28,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:28,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1098360848, now seen corresponding path program 1 times [2022-07-14 04:22:28,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:28,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515772275] [2022-07-14 04:22:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:29,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:29,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515772275] [2022-07-14 04:22:29,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515772275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:29,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:29,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:29,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116722491] [2022-07-14 04:22:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:29,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:29,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:29,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:29,069 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) [2022-07-14 04:22:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:33,524 INFO L93 Difference]: Finished difference Result 44651 states and 65770 transitions. [2022-07-14 04:22:33,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:33,525 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 [2022-07-14 04:22:33,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:33,649 INFO L225 Difference]: With dead ends: 44651 [2022-07-14 04:22:33,649 INFO L226 Difference]: Without dead ends: 22419 [2022-07-14 04:22:33,793 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 [2022-07-14 04:22:33,794 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 6050 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:33,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 7956 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 04:22:33,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-14 04:22:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-14 04:22:34,924 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) [2022-07-14 04:22:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32237 transitions. [2022-07-14 04:22:35,078 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32237 transitions. Word has length 166 [2022-07-14 04:22:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:35,079 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32237 transitions. [2022-07-14 04:22:35,079 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) [2022-07-14 04:22:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32237 transitions. [2022-07-14 04:22:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-14 04:22:35,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:35,084 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] [2022-07-14 04:22:35,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 04:22:35,084 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:35,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:35,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1577661554, now seen corresponding path program 1 times [2022-07-14 04:22:35,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:35,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118694303] [2022-07-14 04:22:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:35,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:35,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:35,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118694303] [2022-07-14 04:22:35,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118694303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:35,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:35,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:35,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545592289] [2022-07-14 04:22:35,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:35,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:35,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:35,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:35,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:35,484 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) [2022-07-14 04:22:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:41,528 INFO L93 Difference]: Finished difference Result 44651 states and 65752 transitions. [2022-07-14 04:22:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:41,530 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 [2022-07-14 04:22:41,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:41,657 INFO L225 Difference]: With dead ends: 44651 [2022-07-14 04:22:41,671 INFO L226 Difference]: Without dead ends: 22419 [2022-07-14 04:22:41,839 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 [2022-07-14 04:22:41,855 INFO L413 NwaCegarLoop]: 3914 mSDtfsCounter, 6046 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2884 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 6852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:41,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 7955 Invalid, 6852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2884 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-14 04:22:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-14 04:22:43,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-14 04:22:43,244 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) [2022-07-14 04:22:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32228 transitions. [2022-07-14 04:22:43,400 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32228 transitions. Word has length 167 [2022-07-14 04:22:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:43,401 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32228 transitions. [2022-07-14 04:22:43,401 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) [2022-07-14 04:22:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32228 transitions. [2022-07-14 04:22:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-14 04:22:43,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:43,455 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] [2022-07-14 04:22:43,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 04:22:43,456 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:43,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:43,456 INFO L85 PathProgramCache]: Analyzing trace with hash 858402348, now seen corresponding path program 1 times [2022-07-14 04:22:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:43,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370928367] [2022-07-14 04:22:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:43,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:44,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:44,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370928367] [2022-07-14 04:22:44,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370928367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:44,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:44,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:44,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346095616] [2022-07-14 04:22:44,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:44,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:44,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:44,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:44,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:44,329 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) [2022-07-14 04:22:50,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:50,004 INFO L93 Difference]: Finished difference Result 44651 states and 65734 transitions. [2022-07-14 04:22:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:50,005 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 [2022-07-14 04:22:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:50,120 INFO L225 Difference]: With dead ends: 44651 [2022-07-14 04:22:50,121 INFO L226 Difference]: Without dead ends: 22419 [2022-07-14 04:22:50,491 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 [2022-07-14 04:22:50,494 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 6042 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:50,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 7952 Invalid, 6852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-14 04:22:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-14 04:22:51,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-14 04:22:51,738 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) [2022-07-14 04:22:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32219 transitions. [2022-07-14 04:22:51,897 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32219 transitions. Word has length 168 [2022-07-14 04:22:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:51,900 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32219 transitions. [2022-07-14 04:22:51,900 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) [2022-07-14 04:22:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32219 transitions. [2022-07-14 04:22:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-14 04:22:51,930 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:51,930 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] [2022-07-14 04:22:51,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 04:22:51,931 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:51,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash -818511414, now seen corresponding path program 1 times [2022-07-14 04:22:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:22:51,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391096037] [2022-07-14 04:22:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:51,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:22:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:22:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:22:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:22:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:22:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:22:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:22:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:22:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:22:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:22:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:22:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:22:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:22:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:22:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:22:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:22:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:22:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:22:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:22:52,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:22:52,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391096037] [2022-07-14 04:22:52,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391096037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:52,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:52,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:22:52,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430421961] [2022-07-14 04:22:52,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:52,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:22:52,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:22:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:22:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:22:52,770 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) [2022-07-14 04:23:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:04,433 INFO L93 Difference]: Finished difference Result 65202 states and 96486 transitions. [2022-07-14 04:23:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:23:04,434 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 [2022-07-14 04:23:04,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:04,666 INFO L225 Difference]: With dead ends: 65202 [2022-07-14 04:23:04,666 INFO L226 Difference]: Without dead ends: 42970 [2022-07-14 04:23:04,772 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 [2022-07-14 04:23:04,773 INFO L413 NwaCegarLoop]: 6880 mSDtfsCounter, 10195 mSDsluCounter, 8798 mSDsCounter, 0 mSdLazyCounter, 7741 mSolverCounterSat, 4623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10904 SdHoareTripleChecker+Valid, 15678 SdHoareTripleChecker+Invalid, 12364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4623 IncrementalHoareTripleChecker+Valid, 7741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:04,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10904 Valid, 15678 Invalid, 12364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4623 Valid, 7741 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-14 04:23:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42970 states. [2022-07-14 04:23:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42970 to 42621. [2022-07-14 04:23:07,200 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) [2022-07-14 04:23:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 63329 transitions. [2022-07-14 04:23:07,575 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 63329 transitions. Word has length 169 [2022-07-14 04:23:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:07,576 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 63329 transitions. [2022-07-14 04:23:07,576 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) [2022-07-14 04:23:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 63329 transitions. [2022-07-14 04:23:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-14 04:23:07,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:07,598 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] [2022-07-14 04:23:07,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 04:23:07,599 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:23:07,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:07,599 INFO L85 PathProgramCache]: Analyzing trace with hash -789882263, now seen corresponding path program 1 times [2022-07-14 04:23:07,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:07,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394893970] [2022-07-14 04:23:07,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:07,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 04:23:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:23:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 04:23:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 04:23:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 04:23:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 04:23:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:23:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:23:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:23:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:23:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 04:23:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:23:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-14 04:23:08,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:08,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394893970] [2022-07-14 04:23:08,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394893970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:08,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:08,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:23:08,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021250157] [2022-07-14 04:23:08,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:08,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:23:08,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:08,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:23:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:23:08,121 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) [2022-07-14 04:23:14,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:14,771 INFO L93 Difference]: Finished difference Result 43052 states and 64178 transitions. [2022-07-14 04:23:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:23:14,772 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 [2022-07-14 04:23:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:14,932 INFO L225 Difference]: With dead ends: 43052 [2022-07-14 04:23:14,933 INFO L226 Difference]: Without dead ends: 43050 [2022-07-14 04:23:14,958 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 [2022-07-14 04:23:14,959 INFO L413 NwaCegarLoop]: 3932 mSDtfsCounter, 725 mSDsluCounter, 10085 mSDsCounter, 0 mSdLazyCounter, 5134 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:14,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 14017 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 5134 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 04:23:14,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43050 states. [2022-07-14 04:23:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43050 to 42711. [2022-07-14 04:23:17,181 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) [2022-07-14 04:23:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42711 states to 42711 states and 63435 transitions. [2022-07-14 04:23:17,569 INFO L78 Accepts]: Start accepts. Automaton has 42711 states and 63435 transitions. Word has length 169 [2022-07-14 04:23:17,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:17,570 INFO L495 AbstractCegarLoop]: Abstraction has 42711 states and 63435 transitions. [2022-07-14 04:23:17,570 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) [2022-07-14 04:23:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 42711 states and 63435 transitions. [2022-07-14 04:23:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-14 04:23:17,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:17,577 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] [2022-07-14 04:23:17,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 04:23:17,577 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:23:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:17,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1737197893, now seen corresponding path program 1 times [2022-07-14 04:23:17,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:17,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873273635] [2022-07-14 04:23:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:17,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:23:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:23:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:23:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:23:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:23:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:23:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:23:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 04:23:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:23:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 04:23:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:23:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:23:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:23:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 04:23:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:23:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 04:23:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:23:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 04:23:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 04:23:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 04:23:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 04:23:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:17,909 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 04:23:17,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:17,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873273635] [2022-07-14 04:23:17,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873273635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:17,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:17,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:23:17,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469635835] [2022-07-14 04:23:17,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:17,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:23:17,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:17,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:23:17,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:17,913 INFO L87 Difference]: Start difference. First operand 42711 states and 63435 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) [2022-07-14 04:23:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:24,727 INFO L93 Difference]: Finished difference Result 76359 states and 115892 transitions. [2022-07-14 04:23:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:23:24,728 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 [2022-07-14 04:23:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:24,899 INFO L225 Difference]: With dead ends: 76359 [2022-07-14 04:23:24,900 INFO L226 Difference]: Without dead ends: 45257 [2022-07-14 04:23:25,107 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 [2022-07-14 04:23:25,110 INFO L413 NwaCegarLoop]: 3697 mSDtfsCounter, 3015 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 4312 mSolverCounterSat, 2096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 7849 SdHoareTripleChecker+Invalid, 6408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 4312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:25,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 7849 Invalid, 6408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2096 Valid, 4312 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 04:23:25,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45257 states. [2022-07-14 04:23:27,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45257 to 44317. [2022-07-14 04:23:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44317 states, 31481 states have (on average 1.3043423017057907) internal successors, (41062), 32736 states have internal predecessors, (41062), 10261 states have call successors, (10261), 2674 states have call predecessors, (10261), 2574 states have return successors, (14597), 9681 states have call predecessors, (14597), 10261 states have call successors, (14597) [2022-07-14 04:23:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44317 states to 44317 states and 65920 transitions. [2022-07-14 04:23:28,175 INFO L78 Accepts]: Start accepts. Automaton has 44317 states and 65920 transitions. Word has length 262 [2022-07-14 04:23:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:28,175 INFO L495 AbstractCegarLoop]: Abstraction has 44317 states and 65920 transitions. [2022-07-14 04:23:28,176 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) [2022-07-14 04:23:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44317 states and 65920 transitions. [2022-07-14 04:23:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 04:23:28,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:28,182 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] [2022-07-14 04:23:28,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 04:23:28,183 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:23:28,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1341095956, now seen corresponding path program 1 times [2022-07-14 04:23:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:28,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491224440] [2022-07-14 04:23:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:23:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:23:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:23:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:23:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:23:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:23:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:23:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 04:23:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:23:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 04:23:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:23:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:23:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:23:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 04:23:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:23:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 04:23:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:23:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 04:23:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 04:23:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 04:23:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 04:23:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 04:23:29,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:29,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491224440] [2022-07-14 04:23:29,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491224440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:29,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:29,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:23:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987238351] [2022-07-14 04:23:29,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:29,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:23:29,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:23:29,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:23:29,320 INFO L87 Difference]: Start difference. First operand 44317 states and 65920 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) [2022-07-14 04:23:37,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:37,780 INFO L93 Difference]: Finished difference Result 77727 states and 117796 transitions. [2022-07-14 04:23:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:23:37,781 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 [2022-07-14 04:23:37,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:37,964 INFO L225 Difference]: With dead ends: 77727 [2022-07-14 04:23:37,964 INFO L226 Difference]: Without dead ends: 45019 [2022-07-14 04:23:38,201 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 [2022-07-14 04:23:38,202 INFO L413 NwaCegarLoop]: 3691 mSDtfsCounter, 2915 mSDsluCounter, 8115 mSDsCounter, 0 mSdLazyCounter, 8948 mSolverCounterSat, 2053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 11806 SdHoareTripleChecker+Invalid, 11001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2053 IncrementalHoareTripleChecker+Valid, 8948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:38,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 11806 Invalid, 11001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2053 Valid, 8948 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-14 04:23:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45019 states. [2022-07-14 04:23:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45019 to 44463. [2022-07-14 04:23:40,788 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) [2022-07-14 04:23:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44463 states to 44463 states and 66064 transitions. [2022-07-14 04:23:41,098 INFO L78 Accepts]: Start accepts. Automaton has 44463 states and 66064 transitions. Word has length 259 [2022-07-14 04:23:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:41,099 INFO L495 AbstractCegarLoop]: Abstraction has 44463 states and 66064 transitions. [2022-07-14 04:23:41,099 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) [2022-07-14 04:23:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44463 states and 66064 transitions. [2022-07-14 04:23:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-14 04:23:41,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:41,106 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] [2022-07-14 04:23:41,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 04:23:41,107 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:23:41,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:41,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1605238265, now seen corresponding path program 1 times [2022-07-14 04:23:41,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:23:41,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078649381] [2022-07-14 04:23:41,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:41,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:23:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:23:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:23:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 04:23:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 04:23:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:23:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:23:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:23:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 04:23:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:23:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:23:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:23:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 04:23:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:23:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 04:23:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:23:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:23:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:23:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 04:23:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:23:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:23:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 04:23:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 04:23:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:23:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 04:23:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 04:23:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 04:23:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 04:23:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 04:23:42,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:23:42,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078649381] [2022-07-14 04:23:42,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078649381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:42,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:42,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:23:42,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805242820] [2022-07-14 04:23:42,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:42,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:23:42,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:23:42,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:23:42,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:23:42,016 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) [2022-07-14 04:23:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:50,295 INFO L93 Difference]: Finished difference Result 77674 states and 116849 transitions. [2022-07-14 04:23:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:23:50,296 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 [2022-07-14 04:23:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:50,631 INFO L225 Difference]: With dead ends: 77674 [2022-07-14 04:23:50,631 INFO L226 Difference]: Without dead ends: 44820 [2022-07-14 04:23:50,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:23:50,863 INFO L413 NwaCegarLoop]: 3661 mSDtfsCounter, 2883 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 8936 mSolverCounterSat, 2045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:50,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 11703 Invalid, 10981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2045 Valid, 8936 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-14 04:23:50,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44820 states.