./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 791161d1 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-?-791161d [2022-07-23 03:56:37,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:56:37,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:56:37,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:56:37,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:56:37,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:56:37,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:56:37,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:56:37,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:56:37,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:56:37,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:56:37,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:56:37,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:56:37,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:56:37,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:56:37,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:56:37,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:56:37,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:56:37,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:56:37,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:56:37,985 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:56:37,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:56:37,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:56:37,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:56:37,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:56:37,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:56:37,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:56:37,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:56:37,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:56:37,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:56:37,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:56:37,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:56:37,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:56:37,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:56:37,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:56:37,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:56:37,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:56:37,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:56:37,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:56:37,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:56:37,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:56:37,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:56:38,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:56:38,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:56:38,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:56:38,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:56:38,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:56:38,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:56:38,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:56:38,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:56:38,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:56:38,024 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:56:38,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:56:38,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:56:38,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:56:38,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:56:38,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:56:38,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:56:38,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:56:38,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:56:38,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:56:38,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:56:38,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:56:38,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:56:38,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:56:38,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:56:38,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:56:38,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:56:38,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:56:38,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:56:38,029 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:56:38,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:56:38,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:56:38,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2022-07-23 03:56:38,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:56:38,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:56:38,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:56:38,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:56:38,308 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:56:38,309 INFO L432 ainManager$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 [2022-07-23 03:56:38,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead20033f/6c289d0a467e43298a77a4d0807ef7de/FLAG96edbe591 [2022-07-23 03:56:39,209 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:56:39,210 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 [2022-07-23 03:56:39,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead20033f/6c289d0a467e43298a77a4d0807ef7de/FLAG96edbe591 [2022-07-23 03:56:39,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead20033f/6c289d0a467e43298a77a4d0807ef7de [2022-07-23 03:56:39,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:56:39,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:56:39,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:56:39,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:56:39,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:56:39,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:56:39" (1/1) ... [2022-07-23 03:56:39,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff1b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:39, skipping insertion in model container [2022-07-23 03:56:39,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:56:39" (1/1) ... [2022-07-23 03:56:39,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:56:39,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:56:44,217 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] [2022-07-23 03:56:44,222 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] [2022-07-23 03:56:44,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:56:44,322 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:56:44,738 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] [2022-07-23 03:56:44,739 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] [2022-07-23 03:56:44,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:56:45,019 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:56:45,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45 WrapperNode [2022-07-23 03:56:45,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:56:45,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:56:45,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:56:45,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:56:45,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,503 INFO L137 Inliner]: procedures = 548, calls = 4417, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8995 [2022-07-23 03:56:45,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:56:45,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:56:45,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:56:45,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:56:45,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:45,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:56:45,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:56:45,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:56:45,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:56:45,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (1/1) ... [2022-07-23 03:56:46,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:56:46,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:56:46,029 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) [2022-07-23 03:56:46,055 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 [2022-07-23 03:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2022-07-23 03:56:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2022-07-23 03:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:56:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:56:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:56:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-23 03:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-23 03:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-23 03:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-23 03:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-23 03:56:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-23 03:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2022-07-23 03:56:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2022-07-23 03:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:56:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-23 03:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-23 03:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-23 03:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-23 03:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 03:56:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 03:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-23 03:56:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-23 03:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:56:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 03:56:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 03:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-23 03:56:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-23 03:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-23 03:56:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-23 03:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-07-23 03:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-07-23 03:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-23 03:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-23 03:56:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:56:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:56:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:56:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:56:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:56:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 03:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 03:56:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:56:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:56:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 03:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 03:56:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:56:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:56:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-07-23 03:56:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-07-23 03:56:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:56:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:56:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:56:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-23 03:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-23 03:56:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:56:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:56:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-23 03:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-23 03:56:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:56:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-23 03:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-23 03:56:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:56:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-23 03:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-23 03:56:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-23 03:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-23 03:56:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-23 03:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-23 03:56:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:56:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:56:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:56:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:56:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:56:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:56:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:56:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-23 03:56:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-23 03:56:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:56:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:56:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:56:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-23 03:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-23 03:56:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 03:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 03:56:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:56:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:56:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:56:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:56:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:56:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:56:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:56:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:56:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:56:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:56:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:56:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-23 03:56:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-23 03:56:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-23 03:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-23 03:56:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 03:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 03:56:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:56:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-23 03:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-23 03:56:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:56:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:56:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-23 03:56:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-23 03:56:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:56:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-23 03:56:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-23 03:56:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:56:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:56:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:56:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:56:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:56:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 03:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 03:56:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:56:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 03:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 03:56:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:56:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:56:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:56:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-23 03:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-23 03:56:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:56:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-23 03:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-23 03:56:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 03:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 03:56:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:56:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-23 03:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-23 03:56:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:56:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-23 03:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-23 03:56:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:56:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:56:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-23 03:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-23 03:56:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:56:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:56:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-23 03:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-23 03:56:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 03:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 03:56:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 03:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 03:56:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-23 03:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-23 03:56:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 03:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 03:56:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-23 03:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-23 03:56:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-23 03:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-23 03:56:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 03:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 03:56:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:56:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-23 03:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-23 03:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:56:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:56:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-23 03:56:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-23 03:56:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:56:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:56:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:56:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:56:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 03:56:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 03:56:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:56:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:56:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:56:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:56:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:56:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-23 03:56:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-23 03:56:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 03:56:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 03:56:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:56:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:56:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:56:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-23 03:56:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-23 03:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-23 03:56:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-23 03:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:56:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-07-23 03:56:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-07-23 03:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 03:56:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 03:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:56:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:56:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:56:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:56:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:56:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:56:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:56:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-23 03:56:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-23 03:56:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-23 03:56:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-23 03:56:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-23 03:56:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-23 03:56:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 03:56:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 03:56:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-23 03:56:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-23 03:56:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-23 03:56:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-23 03:56:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:56:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:56:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:56:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:56:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:56:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:56:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-23 03:56:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-23 03:56:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:56:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:56:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-23 03:56:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-23 03:56:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-07-23 03:56:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-07-23 03:56:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:56:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-23 03:56:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-23 03:56:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 03:56:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 03:56:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 03:56:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 03:56:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:56:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:56:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-23 03:56:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-23 03:56:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-23 03:56:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-23 03:56:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-07-23 03:56:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-07-23 03:56:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:56:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:56:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-23 03:56:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-23 03:56:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:56:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:56:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-23 03:56:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-23 03:56:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-23 03:56:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-23 03:56:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:56:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:56:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:56:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:56:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:56:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:56:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:56:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:56:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:56:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:56:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:56:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:56:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-23 03:56:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-23 03:56:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-23 03:56:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-23 03:56:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:56:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:56:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:56:47,182 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:56:47,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:56:48,634 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:56:53,956 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:56:53,976 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:56:53,976 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:56:53,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:53 BoogieIcfgContainer [2022-07-23 03:56:53,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:56:53,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:56:53,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:56:53,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:56:53,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:56:39" (1/3) ... [2022-07-23 03:56:53,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adffd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:56:53, skipping insertion in model container [2022-07-23 03:56:53,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:56:45" (2/3) ... [2022-07-23 03:56:53,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adffd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:56:53, skipping insertion in model container [2022-07-23 03:56:53,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:53" (3/3) ... [2022-07-23 03:56:53,990 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:56:54,003 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:56:54,004 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:56:54,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:56:54,105 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@c398825, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@12203768 [2022-07-23 03:56:54,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:56:54,118 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) [2022-07-23 03:56:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-23 03:56:54,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:56:54,147 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] [2022-07-23 03:56:54,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:56:54,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:56:54,152 INFO L85 PathProgramCache]: Analyzing trace with hash -60610364, now seen corresponding path program 1 times [2022-07-23 03:56:54,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:56:54,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702774617] [2022-07-23 03:56:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:56:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:56:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:56:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:56:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:56:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:56:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:56:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:56:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:56:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:56:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:56:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:56:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:56:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:56:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:56:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:56:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:56:55,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:56:55,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702774617] [2022-07-23 03:56:55,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702774617] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:56:55,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:56:55,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:56:55,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57685408] [2022-07-23 03:56:55,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:56:55,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:56:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:56:55,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:56:55,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:56:55,748 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) [2022-07-23 03:57:01,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:01,010 INFO L93 Difference]: Finished difference Result 5936 states and 8778 transitions. [2022-07-23 03:57:01,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:01,015 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 [2022-07-23 03:57:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:01,074 INFO L225 Difference]: With dead ends: 5936 [2022-07-23 03:57:01,075 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:01,111 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 [2022-07-23 03:57:01,116 INFO L413 NwaCegarLoop]: 3997 mSDtfsCounter, 4048 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:01,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 8100 Invalid, 4424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1454 Valid, 2970 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 03:57:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:01,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:01,432 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) [2022-07-23 03:57:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4158 transitions. [2022-07-23 03:57:01,463 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4158 transitions. Word has length 156 [2022-07-23 03:57:01,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:01,468 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4158 transitions. [2022-07-23 03:57:01,469 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) [2022-07-23 03:57:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4158 transitions. [2022-07-23 03:57:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-23 03:57:01,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:01,485 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] [2022-07-23 03:57:01,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:57:01,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:01,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:01,488 INFO L85 PathProgramCache]: Analyzing trace with hash -617333662, now seen corresponding path program 1 times [2022-07-23 03:57:01,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:01,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810842433] [2022-07-23 03:57:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:02,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:02,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810842433] [2022-07-23 03:57:02,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810842433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:02,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:02,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:02,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420897228] [2022-07-23 03:57:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:02,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:02,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:02,194 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) [2022-07-23 03:57:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:07,834 INFO L93 Difference]: Finished difference Result 5830 states and 8418 transitions. [2022-07-23 03:57:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:07,835 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 [2022-07-23 03:57:07,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:07,858 INFO L225 Difference]: With dead ends: 5830 [2022-07-23 03:57:07,858 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:07,875 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 [2022-07-23 03:57:07,881 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 6080 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6080 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:07,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6080 Valid, 7963 Invalid, 6860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3968 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 03:57:07,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:08,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:08,021 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) [2022-07-23 03:57:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4157 transitions. [2022-07-23 03:57:08,046 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4157 transitions. Word has length 157 [2022-07-23 03:57:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:08,047 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4157 transitions. [2022-07-23 03:57:08,047 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) [2022-07-23 03:57:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4157 transitions. [2022-07-23 03:57:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-23 03:57:08,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:08,052 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] [2022-07-23 03:57:08,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:57:08,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:08,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash -581370112, now seen corresponding path program 1 times [2022-07-23 03:57:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:08,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460589188] [2022-07-23 03:57:08,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:08,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:08,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:08,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460589188] [2022-07-23 03:57:08,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460589188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:08,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:08,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:08,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542885270] [2022-07-23 03:57:08,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:08,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:08,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:08,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:08,676 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) [2022-07-23 03:57:13,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:13,933 INFO L93 Difference]: Finished difference Result 5830 states and 8416 transitions. [2022-07-23 03:57:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:13,934 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 [2022-07-23 03:57:13,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:13,961 INFO L225 Difference]: With dead ends: 5830 [2022-07-23 03:57:13,961 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:13,979 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 [2022-07-23 03:57:13,980 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 6076 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 7962 SdHoareTripleChecker+Invalid, 6859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:13,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 7962 Invalid, 6859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 03:57:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:14,128 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) [2022-07-23 03:57:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4156 transitions. [2022-07-23 03:57:14,146 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4156 transitions. Word has length 158 [2022-07-23 03:57:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:14,150 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4156 transitions. [2022-07-23 03:57:14,151 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) [2022-07-23 03:57:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4156 transitions. [2022-07-23 03:57:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-23 03:57:14,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:14,156 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] [2022-07-23 03:57:14,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:57:14,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:14,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:14,157 INFO L85 PathProgramCache]: Analyzing trace with hash 648016542, now seen corresponding path program 1 times [2022-07-23 03:57:14,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:14,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930090675] [2022-07-23 03:57:14,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:14,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:14,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:14,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930090675] [2022-07-23 03:57:14,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930090675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:14,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:14,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:14,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263127155] [2022-07-23 03:57:14,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:14,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:14,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:14,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:14,815 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) [2022-07-23 03:57:20,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:20,124 INFO L93 Difference]: Finished difference Result 5830 states and 8414 transitions. [2022-07-23 03:57:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:20,125 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 [2022-07-23 03:57:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:20,149 INFO L225 Difference]: With dead ends: 5830 [2022-07-23 03:57:20,149 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:20,167 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 [2022-07-23 03:57:20,168 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 6072 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:20,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6072 Valid, 7961 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 03:57:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:20,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:20,317 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) [2022-07-23 03:57:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4155 transitions. [2022-07-23 03:57:20,335 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4155 transitions. Word has length 159 [2022-07-23 03:57:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:20,336 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4155 transitions. [2022-07-23 03:57:20,337 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) [2022-07-23 03:57:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4155 transitions. [2022-07-23 03:57:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-23 03:57:20,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:20,342 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] [2022-07-23 03:57:20,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:57:20,342 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:20,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash 218813756, now seen corresponding path program 1 times [2022-07-23 03:57:20,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:20,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48796053] [2022-07-23 03:57:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:21,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:21,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48796053] [2022-07-23 03:57:21,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48796053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:21,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:21,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490870638] [2022-07-23 03:57:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:21,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:21,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:21,006 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) [2022-07-23 03:57:25,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:25,741 INFO L93 Difference]: Finished difference Result 5830 states and 8412 transitions. [2022-07-23 03:57:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:25,741 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 [2022-07-23 03:57:25,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:25,764 INFO L225 Difference]: With dead ends: 5830 [2022-07-23 03:57:25,764 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:25,778 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 [2022-07-23 03:57:25,779 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6068 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6068 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:25,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6068 Valid, 7958 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 03:57:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:25,904 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) [2022-07-23 03:57:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4154 transitions. [2022-07-23 03:57:25,921 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4154 transitions. Word has length 160 [2022-07-23 03:57:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:25,922 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4154 transitions. [2022-07-23 03:57:25,922 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) [2022-07-23 03:57:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4154 transitions. [2022-07-23 03:57:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 03:57:25,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:25,927 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] [2022-07-23 03:57:25,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:57:25,927 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:25,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:25,928 INFO L85 PathProgramCache]: Analyzing trace with hash -87054118, now seen corresponding path program 1 times [2022-07-23 03:57:25,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:25,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151603686] [2022-07-23 03:57:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:25,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:26,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151603686] [2022-07-23 03:57:26,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151603686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:26,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:26,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:26,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914456608] [2022-07-23 03:57:26,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:26,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:26,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:26,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:26,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:26,424 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) [2022-07-23 03:57:31,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:31,144 INFO L93 Difference]: Finished difference Result 5830 states and 8410 transitions. [2022-07-23 03:57:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:31,144 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 [2022-07-23 03:57:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:31,164 INFO L225 Difference]: With dead ends: 5830 [2022-07-23 03:57:31,164 INFO L226 Difference]: Without dead ends: 2942 [2022-07-23 03:57:31,182 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 [2022-07-23 03:57:31,183 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6064 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:31,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6064 Valid, 7959 Invalid, 6856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 03:57:31,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-23 03:57:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-23 03:57:31,346 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) [2022-07-23 03:57:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4153 transitions. [2022-07-23 03:57:31,361 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4153 transitions. Word has length 161 [2022-07-23 03:57:31,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:31,362 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4153 transitions. [2022-07-23 03:57:31,363 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) [2022-07-23 03:57:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4153 transitions. [2022-07-23 03:57:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-23 03:57:31,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:31,368 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] [2022-07-23 03:57:31,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:57:31,368 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:31,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:31,369 INFO L85 PathProgramCache]: Analyzing trace with hash -864507016, now seen corresponding path program 1 times [2022-07-23 03:57:31,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:31,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688285684] [2022-07-23 03:57:31,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:31,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:31,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:31,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688285684] [2022-07-23 03:57:31,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688285684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:31,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:31,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:31,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98445184] [2022-07-23 03:57:31,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:31,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:31,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:31,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:31,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:31,938 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) [2022-07-23 03:57:42,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:42,974 INFO L93 Difference]: Finished difference Result 10572 states and 15160 transitions. [2022-07-23 03:57:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:57:42,974 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 [2022-07-23 03:57:42,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:43,031 INFO L225 Difference]: With dead ends: 10572 [2022-07-23 03:57:43,031 INFO L226 Difference]: Without dead ends: 7684 [2022-07-23 03:57:43,046 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 [2022-07-23 03:57:43,046 INFO L413 NwaCegarLoop]: 7140 mSDtfsCounter, 12713 mSDsluCounter, 8606 mSDsCounter, 0 mSdLazyCounter, 7996 mSolverCounterSat, 6015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13535 SdHoareTripleChecker+Valid, 15746 SdHoareTripleChecker+Invalid, 14011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6015 IncrementalHoareTripleChecker+Valid, 7996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:43,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13535 Valid, 15746 Invalid, 14011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6015 Valid, 7996 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-23 03:57:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2022-07-23 03:57:43,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7613. [2022-07-23 03:57:43,472 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) [2022-07-23 03:57:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10863 transitions. [2022-07-23 03:57:43,518 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10863 transitions. Word has length 162 [2022-07-23 03:57:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:43,519 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10863 transitions. [2022-07-23 03:57:43,519 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) [2022-07-23 03:57:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10863 transitions. [2022-07-23 03:57:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 03:57:43,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:43,524 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] [2022-07-23 03:57:43,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:57:43,525 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:43,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash 918773526, now seen corresponding path program 1 times [2022-07-23 03:57:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:43,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773891550] [2022-07-23 03:57:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:43,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:44,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:44,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773891550] [2022-07-23 03:57:44,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773891550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:44,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:44,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:44,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591023459] [2022-07-23 03:57:44,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:44,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:44,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:44,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:44,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:44,104 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) [2022-07-23 03:57:49,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:49,287 INFO L93 Difference]: Finished difference Result 15271 states and 22014 transitions. [2022-07-23 03:57:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:57:49,288 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 [2022-07-23 03:57:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:49,339 INFO L225 Difference]: With dead ends: 15271 [2022-07-23 03:57:49,339 INFO L226 Difference]: Without dead ends: 7677 [2022-07-23 03:57:49,371 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 [2022-07-23 03:57:49,372 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6059 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:49,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 7958 Invalid, 6855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 03:57:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2022-07-23 03:57:49,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 7613. [2022-07-23 03:57:49,907 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) [2022-07-23 03:57:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10860 transitions. [2022-07-23 03:57:49,951 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10860 transitions. Word has length 163 [2022-07-23 03:57:49,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:49,951 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10860 transitions. [2022-07-23 03:57:49,952 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) [2022-07-23 03:57:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10860 transitions. [2022-07-23 03:57:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-23 03:57:49,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:49,956 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] [2022-07-23 03:57:49,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:57:49,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:57:49,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:49,958 INFO L85 PathProgramCache]: Analyzing trace with hash 480412084, now seen corresponding path program 1 times [2022-07-23 03:57:49,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:49,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097939735] [2022-07-23 03:57:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:57:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:57:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:57:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:57:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:57:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:57:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:57:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:57:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:57:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:57:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:57:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:57:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:57:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:57:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:57:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:57:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:57:50,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:50,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097939735] [2022-07-23 03:57:50,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097939735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:50,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:50,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:57:50,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568522807] [2022-07-23 03:57:50,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:50,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:57:50,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:50,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:57:50,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:57:50,475 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) [2022-07-23 03:58:02,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:02,684 INFO L93 Difference]: Finished difference Result 30023 states and 43587 transitions. [2022-07-23 03:58:02,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:58:02,684 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 [2022-07-23 03:58:02,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:02,843 INFO L225 Difference]: With dead ends: 30023 [2022-07-23 03:58:02,843 INFO L226 Difference]: Without dead ends: 22429 [2022-07-23 03:58:02,896 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 [2022-07-23 03:58:02,897 INFO L413 NwaCegarLoop]: 8535 mSDtfsCounter, 13079 mSDsluCounter, 9904 mSDsCounter, 0 mSdLazyCounter, 8943 mSolverCounterSat, 5930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13955 SdHoareTripleChecker+Valid, 18439 SdHoareTripleChecker+Invalid, 14873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5930 IncrementalHoareTripleChecker+Valid, 8943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:02,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13955 Valid, 18439 Invalid, 14873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5930 Valid, 8943 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-07-23 03:58:02,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22429 states. [2022-07-23 03:58:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22429 to 22251. [2022-07-23 03:58:04,125 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) [2022-07-23 03:58:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32255 transitions. [2022-07-23 03:58:04,307 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32255 transitions. Word has length 164 [2022-07-23 03:58:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:04,307 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32255 transitions. [2022-07-23 03:58:04,308 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) [2022-07-23 03:58:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32255 transitions. [2022-07-23 03:58:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-23 03:58:04,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:04,313 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] [2022-07-23 03:58:04,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:58:04,313 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash -109374126, now seen corresponding path program 1 times [2022-07-23 03:58:04,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:04,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155187360] [2022-07-23 03:58:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:04,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:04,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155187360] [2022-07-23 03:58:04,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155187360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:04,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:04,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:04,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572531392] [2022-07-23 03:58:04,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:04,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:04,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:04,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:04,717 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) [2022-07-23 03:58:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:10,380 INFO L93 Difference]: Finished difference Result 44651 states and 65788 transitions. [2022-07-23 03:58:10,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:58:10,380 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 [2022-07-23 03:58:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:10,549 INFO L225 Difference]: With dead ends: 44651 [2022-07-23 03:58:10,549 INFO L226 Difference]: Without dead ends: 22419 [2022-07-23 03:58:10,714 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 [2022-07-23 03:58:10,714 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 6054 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:10,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 7957 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 03:58:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-23 03:58:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-23 03:58:12,134 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) [2022-07-23 03:58:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32246 transitions. [2022-07-23 03:58:12,323 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32246 transitions. Word has length 165 [2022-07-23 03:58:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:12,324 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32246 transitions. [2022-07-23 03:58:12,324 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) [2022-07-23 03:58:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32246 transitions. [2022-07-23 03:58:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-23 03:58:12,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:12,329 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] [2022-07-23 03:58:12,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:58:12,330 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:12,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1098360848, now seen corresponding path program 1 times [2022-07-23 03:58:12,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:12,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34163438] [2022-07-23 03:58:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:12,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:12,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34163438] [2022-07-23 03:58:12,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34163438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:12,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:12,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:12,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447966721] [2022-07-23 03:58:12,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:12,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:12,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:12,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:12,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:12,991 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) [2022-07-23 03:58:18,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:18,164 INFO L93 Difference]: Finished difference Result 44651 states and 65770 transitions. [2022-07-23 03:58:18,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:58:18,165 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 [2022-07-23 03:58:18,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:18,305 INFO L225 Difference]: With dead ends: 44651 [2022-07-23 03:58:18,306 INFO L226 Difference]: Without dead ends: 22419 [2022-07-23 03:58:18,635 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 [2022-07-23 03:58:18,635 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 6050 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:18,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 7956 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:58:18,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-23 03:58:19,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-23 03:58:19,745 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) [2022-07-23 03:58:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32237 transitions. [2022-07-23 03:58:19,890 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32237 transitions. Word has length 166 [2022-07-23 03:58:19,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:19,891 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32237 transitions. [2022-07-23 03:58:19,892 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) [2022-07-23 03:58:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32237 transitions. [2022-07-23 03:58:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-23 03:58:19,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:19,898 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] [2022-07-23 03:58:19,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 03:58:19,898 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:19,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:19,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1577661554, now seen corresponding path program 1 times [2022-07-23 03:58:19,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:19,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887107164] [2022-07-23 03:58:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:19,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:20,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:20,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887107164] [2022-07-23 03:58:20,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887107164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:20,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:20,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:20,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211605295] [2022-07-23 03:58:20,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:20,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:20,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:20,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:20,401 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) [2022-07-23 03:58:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:25,610 INFO L93 Difference]: Finished difference Result 44651 states and 65752 transitions. [2022-07-23 03:58:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:58:25,611 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 [2022-07-23 03:58:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:25,691 INFO L225 Difference]: With dead ends: 44651 [2022-07-23 03:58:25,691 INFO L226 Difference]: Without dead ends: 22419 [2022-07-23 03:58:25,802 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 [2022-07-23 03:58:25,803 INFO L413 NwaCegarLoop]: 3914 mSDtfsCounter, 6046 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2884 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:25,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 7955 Invalid, 6852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2884 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 03:58:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-23 03:58:27,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-23 03:58:27,156 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) [2022-07-23 03:58:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32228 transitions. [2022-07-23 03:58:27,305 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32228 transitions. Word has length 167 [2022-07-23 03:58:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:27,305 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32228 transitions. [2022-07-23 03:58:27,306 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) [2022-07-23 03:58:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32228 transitions. [2022-07-23 03:58:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-23 03:58:27,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:27,312 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] [2022-07-23 03:58:27,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 03:58:27,312 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:27,313 INFO L85 PathProgramCache]: Analyzing trace with hash 858402348, now seen corresponding path program 1 times [2022-07-23 03:58:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:27,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46058640] [2022-07-23 03:58:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:27,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:27,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46058640] [2022-07-23 03:58:27,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46058640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:27,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:27,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:27,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645288243] [2022-07-23 03:58:27,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:27,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:27,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:27,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:27,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:27,948 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) [2022-07-23 03:58:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:33,002 INFO L93 Difference]: Finished difference Result 44651 states and 65734 transitions. [2022-07-23 03:58:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:58:33,003 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 [2022-07-23 03:58:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:33,102 INFO L225 Difference]: With dead ends: 44651 [2022-07-23 03:58:33,102 INFO L226 Difference]: Without dead ends: 22419 [2022-07-23 03:58:33,214 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 [2022-07-23 03:58:33,217 INFO L413 NwaCegarLoop]: 3913 mSDtfsCounter, 6042 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 7954 SdHoareTripleChecker+Invalid, 6851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:33,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 7954 Invalid, 6851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2883 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 03:58:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-23 03:58:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-23 03:58:34,531 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) [2022-07-23 03:58:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32219 transitions. [2022-07-23 03:58:34,659 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32219 transitions. Word has length 168 [2022-07-23 03:58:34,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:34,659 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32219 transitions. [2022-07-23 03:58:34,660 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) [2022-07-23 03:58:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32219 transitions. [2022-07-23 03:58:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-23 03:58:34,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:34,665 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] [2022-07-23 03:58:34,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 03:58:34,666 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:34,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash -818511414, now seen corresponding path program 1 times [2022-07-23 03:58:34,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:34,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230485060] [2022-07-23 03:58:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:34,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:35,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:35,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230485060] [2022-07-23 03:58:35,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230485060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:35,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:35,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:35,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488600187] [2022-07-23 03:58:35,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:35,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:35,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:35,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:35,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:35,095 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) [2022-07-23 03:58:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:46,301 INFO L93 Difference]: Finished difference Result 65202 states and 96486 transitions. [2022-07-23 03:58:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:58:46,302 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 [2022-07-23 03:58:46,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:46,517 INFO L225 Difference]: With dead ends: 65202 [2022-07-23 03:58:46,517 INFO L226 Difference]: Without dead ends: 42970 [2022-07-23 03:58:46,618 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 [2022-07-23 03:58:46,619 INFO L413 NwaCegarLoop]: 6880 mSDtfsCounter, 10195 mSDsluCounter, 8798 mSDsCounter, 0 mSdLazyCounter, 7741 mSolverCounterSat, 4623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s 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, 8.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:46,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10904 Valid, 15678 Invalid, 12364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4623 Valid, 7741 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-23 03:58:46,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42970 states. [2022-07-23 03:58:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42970 to 42621. [2022-07-23 03:58:49,196 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) [2022-07-23 03:58:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 63329 transitions. [2022-07-23 03:58:49,546 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 63329 transitions. Word has length 169 [2022-07-23 03:58:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:49,546 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 63329 transitions. [2022-07-23 03:58:49,547 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) [2022-07-23 03:58:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 63329 transitions. [2022-07-23 03:58:49,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-23 03:58:49,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:49,551 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] [2022-07-23 03:58:49,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 03:58:49,551 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:49,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:49,551 INFO L85 PathProgramCache]: Analyzing trace with hash -789882263, now seen corresponding path program 1 times [2022-07-23 03:58:49,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:49,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601693722] [2022-07-23 03:58:49,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:49,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:58:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 03:58:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 03:58:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 03:58:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 03:58:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:58:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:58:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:58:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 03:58:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:58:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:58:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 03:58:49,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:49,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601693722] [2022-07-23 03:58:49,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601693722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:49,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:58:49,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555595955] [2022-07-23 03:58:49,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:49,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:58:49,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:49,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:58:49,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:58:49,948 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) [2022-07-23 03:58:55,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:55,773 INFO L93 Difference]: Finished difference Result 43052 states and 64178 transitions. [2022-07-23 03:58:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:58:55,774 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 [2022-07-23 03:58:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:56,065 INFO L225 Difference]: With dead ends: 43052 [2022-07-23 03:58:56,066 INFO L226 Difference]: Without dead ends: 43050 [2022-07-23 03:58:56,086 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 [2022-07-23 03:58:56,086 INFO L413 NwaCegarLoop]: 3932 mSDtfsCounter, 725 mSDsluCounter, 10085 mSDsCounter, 0 mSdLazyCounter, 5134 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 5873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 5134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:56,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 14017 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 5134 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 03:58:56,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43050 states. [2022-07-23 03:58:58,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43050 to 42711. [2022-07-23 03:58:58,325 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) [2022-07-23 03:58:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42711 states to 42711 states and 63435 transitions. [2022-07-23 03:58:58,638 INFO L78 Accepts]: Start accepts. Automaton has 42711 states and 63435 transitions. Word has length 169 [2022-07-23 03:58:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:58,639 INFO L495 AbstractCegarLoop]: Abstraction has 42711 states and 63435 transitions. [2022-07-23 03:58:58,639 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) [2022-07-23 03:58:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42711 states and 63435 transitions. [2022-07-23 03:58:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-23 03:58:58,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:58,649 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] [2022-07-23 03:58:58,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 03:58:58,649 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:58,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:58,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1737197893, now seen corresponding path program 1 times [2022-07-23 03:58:58,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:58:58,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597693334] [2022-07-23 03:58:58,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:58,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:58:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:58:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:58:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:58:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:58:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:58:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:58:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:58:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:58:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 03:58:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 03:58:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 03:58:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 03:58:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:58:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 03:58:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 03:58:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 03:58:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:58:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 03:58:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 03:58:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:58:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:58:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:58:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:58:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 03:58:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:58:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 03:58:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 03:58:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-23 03:58:59,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:58:59,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597693334] [2022-07-23 03:58:59,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597693334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:59,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:59,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:58:59,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749879992] [2022-07-23 03:58:59,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:59,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:58:59,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:58:59,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:58:59,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:58:59,357 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) [2022-07-23 03:59:06,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:06,481 INFO L93 Difference]: Finished difference Result 76359 states and 115892 transitions. [2022-07-23 03:59:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:59:06,482 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 [2022-07-23 03:59:06,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:06,861 INFO L225 Difference]: With dead ends: 76359 [2022-07-23 03:59:06,861 INFO L226 Difference]: Without dead ends: 45257 [2022-07-23 03:59:07,115 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 [2022-07-23 03:59:07,115 INFO L413 NwaCegarLoop]: 3696 mSDtfsCounter, 3015 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 4311 mSolverCounterSat, 2096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 7846 SdHoareTripleChecker+Invalid, 6407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 4311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:07,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 7846 Invalid, 6407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2096 Valid, 4311 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:59:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45257 states. [2022-07-23 03:59:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45257 to 44317. [2022-07-23 03:59:09,584 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) [2022-07-23 03:59:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44317 states to 44317 states and 65920 transitions. [2022-07-23 03:59:10,096 INFO L78 Accepts]: Start accepts. Automaton has 44317 states and 65920 transitions. Word has length 262 [2022-07-23 03:59:10,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:10,096 INFO L495 AbstractCegarLoop]: Abstraction has 44317 states and 65920 transitions. [2022-07-23 03:59:10,097 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) [2022-07-23 03:59:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 44317 states and 65920 transitions. [2022-07-23 03:59:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-23 03:59:10,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:10,110 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] [2022-07-23 03:59:10,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 03:59:10,110 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:10,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1605238265, now seen corresponding path program 1 times [2022-07-23 03:59:10,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:10,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447789750] [2022-07-23 03:59:10,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:59:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 03:59:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 03:59:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 03:59:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 03:59:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:59:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 03:59:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 03:59:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 03:59:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:59:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 03:59:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 03:59:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:59:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:59:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 03:59:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:59:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 03:59:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 03:59:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-23 03:59:12,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:12,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447789750] [2022-07-23 03:59:12,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447789750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:12,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:12,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:59:12,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376793541] [2022-07-23 03:59:12,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:12,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:59:12,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:59:12,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:59:12,052 INFO L87 Difference]: Start difference. First operand 44317 states and 65920 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) [2022-07-23 03:59:21,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:21,288 INFO L93 Difference]: Finished difference Result 77517 states and 117483 transitions. [2022-07-23 03:59:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:59:21,289 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 [2022-07-23 03:59:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:21,644 INFO L225 Difference]: With dead ends: 77517 [2022-07-23 03:59:21,644 INFO L226 Difference]: Without dead ends: 44809 [2022-07-23 03:59:21,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-23 03:59:21,868 INFO L413 NwaCegarLoop]: 3671 mSDtfsCounter, 2883 mSDsluCounter, 8076 mSDsCounter, 0 mSdLazyCounter, 8937 mSolverCounterSat, 2043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 11747 SdHoareTripleChecker+Invalid, 10980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2043 IncrementalHoareTripleChecker+Valid, 8937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:21,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 11747 Invalid, 10980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2043 Valid, 8937 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-23 03:59:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44809 states. [2022-07-23 03:59:24,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44809 to 44373. [2022-07-23 03:59:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44373 states, 31523 states have (on average 1.3039368080449196) internal successors, (41104), 32778 states have internal predecessors, (41104), 10261 states have call successors, (10261), 2688 states have call predecessors, (10261), 2588 states have return successors, (14549), 9681 states have call predecessors, (14549), 10261 states have call successors, (14549) [2022-07-23 03:59:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44373 states to 44373 states and 65914 transitions. [2022-07-23 03:59:24,771 INFO L78 Accepts]: Start accepts. Automaton has 44373 states and 65914 transitions. Word has length 265 [2022-07-23 03:59:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:24,771 INFO L495 AbstractCegarLoop]: Abstraction has 44373 states and 65914 transitions. [2022-07-23 03:59:24,772 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-23 03:59:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 44373 states and 65914 transitions. [2022-07-23 03:59:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-23 03:59:24,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:59:24,780 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] [2022-07-23 03:59:24,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 03:59:24,781 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:59:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:59:24,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1341095956, now seen corresponding path program 1 times [2022-07-23 03:59:24,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:59:24,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11168691] [2022-07-23 03:59:24,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:59:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:59:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:59:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 03:59:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 03:59:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 03:59:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:59:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:59:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:59:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 03:59:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 03:59:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 03:59:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 03:59:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 03:59:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:59:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 03:59:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 03:59:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 03:59:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:59:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 03:59:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 03:59:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:59:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:59:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:59:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:59:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 03:59:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:59:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 03:59:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 03:59:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-23 03:59:26,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:59:26,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11168691] [2022-07-23 03:59:26,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11168691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:26,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:26,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:59:26,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734026099] [2022-07-23 03:59:26,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:26,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:59:26,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:59:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:59:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:59:26,039 INFO L87 Difference]: Start difference. First operand 44373 states and 65914 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) [2022-07-23 03:59:34,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:34,887 INFO L93 Difference]: Finished difference Result 77704 states and 116804 transitions. [2022-07-23 03:59:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:59:34,888 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 [2022-07-23 03:59:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:35,154 INFO L225 Difference]: With dead ends: 77704 [2022-07-23 03:59:35,154 INFO L226 Difference]: Without dead ends: 44940 [2022-07-23 03:59:35,424 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 [2022-07-23 03:59:35,424 INFO L413 NwaCegarLoop]: 3681 mSDtfsCounter, 2915 mSDsluCounter, 8081 mSDsCounter, 0 mSdLazyCounter, 8947 mSolverCounterSat, 2055 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 11762 SdHoareTripleChecker+Invalid, 11002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2055 IncrementalHoareTripleChecker+Valid, 8947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:35,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 11762 Invalid, 11002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2055 Valid, 8947 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 03:59:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44940 states.