./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:08:18,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:08:18,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:08:18,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:08:18,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:08:18,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:08:18,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:08:18,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:08:18,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:08:18,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:08:18,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:08:18,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:08:18,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:08:18,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:08:18,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:08:18,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:08:18,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:08:18,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:08:18,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:08:18,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:08:18,590 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:08:18,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:08:18,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:08:18,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:08:18,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:08:18,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:08:18,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:08:18,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:08:18,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:08:18,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:08:18,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:08:18,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:08:18,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:08:18,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:08:18,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:08:18,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:08:18,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:08:18,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:08:18,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:08:18,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:08:18,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:08:18,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:08:18,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:08:18,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:08:18,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:08:18,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:08:18,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:08:18,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:08:18,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:08:18,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:08:18,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:08:18,645 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:08:18,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:08:18,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:08:18,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:08:18,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:08:18,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:08:18,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:08:18,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:08:18,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:08:18,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:08:18,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:08:18,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:08:18,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:08:18,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:08:18,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:08:18,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:08:18,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:08:18,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:08:18,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:08:18,650 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:08:18,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:08:18,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:08:18,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2022-07-20 03:08:18,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:08:18,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:08:18,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:08:18,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:08:18,893 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:08:18,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:08:18,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bdecc1a/24bef367703647bab7e0f855f2ace6e8/FLAG94e2bb229 [2022-07-20 03:08:19,735 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:08:19,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:08:19,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bdecc1a/24bef367703647bab7e0f855f2ace6e8/FLAG94e2bb229 [2022-07-20 03:08:20,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bdecc1a/24bef367703647bab7e0f855f2ace6e8 [2022-07-20 03:08:20,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:08:20,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:08:20,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:08:20,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:08:20,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:08:20,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:08:20" (1/1) ... [2022-07-20 03:08:20,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329e5cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:20, skipping insertion in model container [2022-07-20 03:08:20,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:08:20" (1/1) ... [2022-07-20 03:08:20,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:08:20,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:08:23,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-07-20 03:08:23,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-07-20 03:08:24,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:08:24,096 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:08:24,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-07-20 03:08:24,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-07-20 03:08:24,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:08:24,830 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:08:24,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24 WrapperNode [2022-07-20 03:08:24,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:08:24,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:08:24,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:08:24,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:08:24,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,278 INFO L137 Inliner]: procedures = 567, calls = 4464, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9379 [2022-07-20 03:08:25,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:08:25,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:08:25,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:08:25,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:08:25,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:08:25,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:08:25,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:08:25,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:08:25,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (1/1) ... [2022-07-20 03:08:25,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:08:25,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:08:25,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 03:08:25,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 03:08:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:08:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:08:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:08:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:08:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:08:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:08:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-20 03:08:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-20 03:08:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-20 03:08:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-20 03:08:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:08:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:08:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-20 03:08:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-20 03:08:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:08:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:08:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:08:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:08:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-20 03:08:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-20 03:08:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-20 03:08:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-20 03:08:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 03:08:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 03:08:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-20 03:08:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-20 03:08:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:08:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:08:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 03:08:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 03:08:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-20 03:08:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-20 03:08:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-20 03:08:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-20 03:08:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 03:08:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 03:08:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:08:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:08:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:08:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:08:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:08:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:08:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:08:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:08:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-20 03:08:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-20 03:08:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:08:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:08:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:08:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:08:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:08:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:08:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 03:08:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 03:08:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:08:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:08:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 03:08:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 03:08:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:08:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:08:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:08:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:08:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 03:08:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 03:08:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:08:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:08:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:08:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:08:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:08:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-20 03:08:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-20 03:08:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 03:08:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 03:08:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:08:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:08:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-20 03:08:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-20 03:08:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:08:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:08:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-20 03:08:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-20 03:08:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:08:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-20 03:08:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-20 03:08:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-20 03:08:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-20 03:08:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-20 03:08:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-20 03:08:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:08:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:08:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:08:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:08:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:08:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:08:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:08:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-20 03:08:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-20 03:08:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:08:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:08:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:08:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-20 03:08:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-20 03:08:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 03:08:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 03:08:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:08:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:08:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:08:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:08:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:08:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:08:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:08:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:08:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:08:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:08:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:08:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:08:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-20 03:08:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-20 03:08:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-20 03:08:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-20 03:08:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 03:08:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 03:08:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:08:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:08:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-20 03:08:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-20 03:08:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:08:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:08:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-20 03:08:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-20 03:08:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:08:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:08:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:08:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-20 03:08:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-20 03:08:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:08:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:08:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:08:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:08:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 03:08:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 03:08:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:08:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:08:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:08:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:08:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:08:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:08:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:08:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:08:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 03:08:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 03:08:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:08:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:08:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 03:08:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 03:08:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:08:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:08:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:08:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:08:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-20 03:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-20 03:08:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:08:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-20 03:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-20 03:08:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-20 03:08:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-20 03:08:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:08:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-20 03:08:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-20 03:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-20 03:08:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-20 03:08:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:08:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-20 03:08:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-20 03:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:08:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:08:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:08:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-20 03:08:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-20 03:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:08:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:08:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-20 03:08:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-20 03:08:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 03:08:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 03:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-20 03:08:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-20 03:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 03:08:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 03:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-20 03:08:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-20 03:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-20 03:08:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-20 03:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 03:08:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 03:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:08:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-20 03:08:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-20 03:08:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:08:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:08:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:08:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:08:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:08:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:08:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-20 03:08:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-20 03:08:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:08:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:08:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:08:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:08:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 03:08:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 03:08:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:08:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:08:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:08:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:08:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:08:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-20 03:08:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-20 03:08:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 03:08:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 03:08:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:08:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:08:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:08:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-20 03:08:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-20 03:08:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-20 03:08:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-20 03:08:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:08:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:08:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:08:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 03:08:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 03:08:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:08:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:08:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:08:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:08:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:08:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:08:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 03:08:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 03:08:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-20 03:08:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-20 03:08:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-20 03:08:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-20 03:08:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-20 03:08:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-20 03:08:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:08:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:08:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-20 03:08:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-20 03:08:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-20 03:08:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-20 03:08:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:08:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:08:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:08:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:08:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 03:08:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 03:08:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-20 03:08:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-20 03:08:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:08:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:08:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-20 03:08:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-20 03:08:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:08:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-20 03:08:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-20 03:08:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-20 03:08:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-20 03:08:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 03:08:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 03:08:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:08:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:08:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-20 03:08:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-20 03:08:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-20 03:08:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-20 03:08:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:08:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:08:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-20 03:08:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-20 03:08:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:08:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:08:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-20 03:08:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-20 03:08:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-20 03:08:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-20 03:08:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:08:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:08:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 03:08:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 03:08:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 03:08:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 03:08:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:08:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:08:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:08:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:08:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:08:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:08:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-20 03:08:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-20 03:08:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-20 03:08:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-20 03:08:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:08:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:08:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:08:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:08:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:08:27,129 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:08:27,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:08:28,280 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:08:33,625 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:08:33,705 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:08:33,732 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:08:33,732 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:08:33,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:08:33 BoogieIcfgContainer [2022-07-20 03:08:33,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:08:33,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:08:33,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:08:33,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:08:33,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:08:20" (1/3) ... [2022-07-20 03:08:33,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fd39b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:08:33, skipping insertion in model container [2022-07-20 03:08:33,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:24" (2/3) ... [2022-07-20 03:08:33,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fd39b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:08:33, skipping insertion in model container [2022-07-20 03:08:33,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:08:33" (3/3) ... [2022-07-20 03:08:33,749 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:08:33,761 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:08:33,762 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:08:33,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:08:33,891 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@5673e78f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@48ecdde2 [2022-07-20 03:08:33,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:08:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 3242 states, 2288 states have (on average 1.375) internal successors, (3146), 2357 states have internal predecessors, (3146), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2022-07-20 03:08:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-20 03:08:33,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:08:33,961 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:08:33,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:08:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:08:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash 193301742, now seen corresponding path program 1 times [2022-07-20 03:08:33,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:08:33,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221384808] [2022-07-20 03:08:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:08:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:08:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:08:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:08:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:08:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:08:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:08:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:08:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:08:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:08:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:08:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:08:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:08:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:08:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:08:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:08:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:08:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:08:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:08:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:08:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:08:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:08:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 03:08:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 03:08:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-20 03:08:35,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:08:35,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221384808] [2022-07-20 03:08:35,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221384808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:08:35,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:08:35,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:08:35,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753423444] [2022-07-20 03:08:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:08:35,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:08:35,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:08:35,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:08:35,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:08:35,393 INFO L87 Difference]: Start difference. First operand has 3242 states, 2288 states have (on average 1.375) internal successors, (3146), 2357 states have internal predecessors, (3146), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:08:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:08:42,128 INFO L93 Difference]: Finished difference Result 9558 states and 14241 transitions. [2022-07-20 03:08:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:08:42,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 256 [2022-07-20 03:08:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:08:42,191 INFO L225 Difference]: With dead ends: 9558 [2022-07-20 03:08:42,191 INFO L226 Difference]: Without dead ends: 6232 [2022-07-20 03:08:42,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:08:42,223 INFO L413 NwaCegarLoop]: 4956 mSDtfsCounter, 5178 mSDsluCounter, 5182 mSDsCounter, 0 mSdLazyCounter, 3322 mSolverCounterSat, 2262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 10138 SdHoareTripleChecker+Invalid, 5584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2262 IncrementalHoareTripleChecker+Valid, 3322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:08:42,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5875 Valid, 10138 Invalid, 5584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2262 Valid, 3322 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 03:08:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2022-07-20 03:08:42,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 6189. [2022-07-20 03:08:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6189 states, 4416 states have (on average 1.3435235507246377) internal successors, (5933), 4550 states have internal predecessors, (5933), 1479 states have call successors, (1479), 293 states have call predecessors, (1479), 293 states have return successors, (1479), 1448 states have call predecessors, (1479), 1479 states have call successors, (1479) [2022-07-20 03:08:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6189 states to 6189 states and 8891 transitions. [2022-07-20 03:08:42,639 INFO L78 Accepts]: Start accepts. Automaton has 6189 states and 8891 transitions. Word has length 256 [2022-07-20 03:08:42,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:08:42,640 INFO L495 AbstractCegarLoop]: Abstraction has 6189 states and 8891 transitions. [2022-07-20 03:08:42,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:08:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6189 states and 8891 transitions. [2022-07-20 03:08:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-20 03:08:42,651 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:08:42,652 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:08:42,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:08:42,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:08:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:08:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash 592188440, now seen corresponding path program 1 times [2022-07-20 03:08:42,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:08:42,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075311299] [2022-07-20 03:08:42,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:08:42,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:08:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:08:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:08:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:08:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:08:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:08:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:08:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:08:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:08:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:08:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:08:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:08:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:08:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:08:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:08:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:08:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:08:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:08:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:08:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 03:08:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:08:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 03:08:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 03:08:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-20 03:08:43,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:08:43,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075311299] [2022-07-20 03:08:43,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075311299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:08:43,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:08:43,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:08:43,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902453522] [2022-07-20 03:08:43,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:08:43,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:08:43,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:08:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:08:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:08:43,444 INFO L87 Difference]: Start difference. First operand 6189 states and 8891 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:08:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:08:49,598 INFO L93 Difference]: Finished difference Result 18157 states and 26183 transitions. [2022-07-20 03:08:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:08:49,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2022-07-20 03:08:49,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:08:49,694 INFO L225 Difference]: With dead ends: 18157 [2022-07-20 03:08:49,695 INFO L226 Difference]: Without dead ends: 12007 [2022-07-20 03:08:49,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:08:49,740 INFO L413 NwaCegarLoop]: 5793 mSDtfsCounter, 4730 mSDsluCounter, 5537 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5392 SdHoareTripleChecker+Valid, 11330 SdHoareTripleChecker+Invalid, 5185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:08:49,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5392 Valid, 11330 Invalid, 5185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3275 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 03:08:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12007 states. [2022-07-20 03:08:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12007 to 11923. [2022-07-20 03:08:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11923 states, 8495 states have (on average 1.3437316068275456) internal successors, (11415), 8763 states have internal predecessors, (11415), 2850 states have call successors, (2850), 577 states have call predecessors, (2850), 577 states have return successors, (2850), 2787 states have call predecessors, (2850), 2850 states have call successors, (2850) [2022-07-20 03:08:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11923 states to 11923 states and 17115 transitions. [2022-07-20 03:08:50,419 INFO L78 Accepts]: Start accepts. Automaton has 11923 states and 17115 transitions. Word has length 257 [2022-07-20 03:08:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:08:50,420 INFO L495 AbstractCegarLoop]: Abstraction has 11923 states and 17115 transitions. [2022-07-20 03:08:50,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:08:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 11923 states and 17115 transitions. [2022-07-20 03:08:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 03:08:50,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:08:50,432 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-07-20 03:08:50,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:08:50,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:08:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:08:50,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1241969718, now seen corresponding path program 1 times [2022-07-20 03:08:50,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:08:50,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135255389] [2022-07-20 03:08:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:08:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:08:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:08:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:08:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:08:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:08:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:08:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:08:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:08:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:08:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:08:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:08:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:08:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:08:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:08:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:08:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:08:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:08:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:08:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:08:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:08:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:08:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:08:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:08:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:08:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:08:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 03:08:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:08:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2022-07-20 03:08:51,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:08:51,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135255389] [2022-07-20 03:08:51,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135255389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:08:51,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:08:51,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:08:51,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764654031] [2022-07-20 03:08:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:08:51,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:08:51,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:08:51,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:08:51,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:08:51,098 INFO L87 Difference]: Start difference. First operand 11923 states and 17115 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 03:08:59,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:03,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:03,004 INFO L93 Difference]: Finished difference Result 35395 states and 51077 transitions. [2022-07-20 03:09:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:09:03,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 269 [2022-07-20 03:09:03,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:03,155 INFO L225 Difference]: With dead ends: 35395 [2022-07-20 03:09:03,155 INFO L226 Difference]: Without dead ends: 23511 [2022-07-20 03:09:03,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:09:03,239 INFO L413 NwaCegarLoop]: 4408 mSDtfsCounter, 8527 mSDsluCounter, 3775 mSDsCounter, 0 mSdLazyCounter, 6819 mSolverCounterSat, 5115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9011 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 11935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5115 IncrementalHoareTripleChecker+Valid, 6819 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:03,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9011 Valid, 8183 Invalid, 11935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5115 Valid, 6819 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-07-20 03:09:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23511 states. [2022-07-20 03:09:04,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23511 to 23345. [2022-07-20 03:09:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23345 states, 16621 states have (on average 1.341977017026653) internal successors, (22305), 17169 states have internal predecessors, (22305), 5571 states have call successors, (5571), 1146 states have call predecessors, (5571), 1152 states have return successors, (5754), 5419 states have call predecessors, (5754), 5571 states have call successors, (5754) [2022-07-20 03:09:04,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23345 states to 23345 states and 33630 transitions. [2022-07-20 03:09:04,384 INFO L78 Accepts]: Start accepts. Automaton has 23345 states and 33630 transitions. Word has length 269 [2022-07-20 03:09:04,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:04,385 INFO L495 AbstractCegarLoop]: Abstraction has 23345 states and 33630 transitions. [2022-07-20 03:09:04,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 03:09:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 23345 states and 33630 transitions. [2022-07-20 03:09:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-20 03:09:04,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:04,398 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:04,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:09:04,399 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:04,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:04,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1665766251, now seen corresponding path program 1 times [2022-07-20 03:09:04,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:04,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012634395] [2022-07-20 03:09:04,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:04,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:09:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:09:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:09:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:09:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:09:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 03:09:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:09:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:09:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:09:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 03:09:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 03:09:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 03:09:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-07-20 03:09:05,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012634395] [2022-07-20 03:09:05,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012634395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:05,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:05,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:09:05,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247732501] [2022-07-20 03:09:05,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:05,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:09:05,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:05,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:09:05,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:09:05,049 INFO L87 Difference]: Start difference. First operand 23345 states and 33630 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-20 03:09:10,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:10,798 INFO L93 Difference]: Finished difference Result 69482 states and 100346 transitions. [2022-07-20 03:09:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:09:10,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-07-20 03:09:10,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:11,099 INFO L225 Difference]: With dead ends: 69482 [2022-07-20 03:09:11,099 INFO L226 Difference]: Without dead ends: 46176 [2022-07-20 03:09:11,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:09:11,239 INFO L413 NwaCegarLoop]: 5971 mSDtfsCounter, 4812 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 3205 mSolverCounterSat, 1891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 11629 SdHoareTripleChecker+Invalid, 5096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 3205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:11,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 11629 Invalid, 5096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 3205 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 03:09:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46176 states. [2022-07-20 03:09:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46176 to 45870. [2022-07-20 03:09:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45870 states, 32678 states have (on average 1.340963339249648) internal successors, (43820), 33779 states have internal predecessors, (43820), 10915 states have call successors, (10915), 2264 states have call predecessors, (10915), 2276 states have return successors, (11271), 10605 states have call predecessors, (11271), 10915 states have call successors, (11271) [2022-07-20 03:09:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45870 states to 45870 states and 66006 transitions. [2022-07-20 03:09:13,257 INFO L78 Accepts]: Start accepts. Automaton has 45870 states and 66006 transitions. Word has length 284 [2022-07-20 03:09:13,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:13,258 INFO L495 AbstractCegarLoop]: Abstraction has 45870 states and 66006 transitions. [2022-07-20 03:09:13,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-20 03:09:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 45870 states and 66006 transitions. [2022-07-20 03:09:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-20 03:09:13,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:13,277 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:13,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:09:13,278 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:13,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:13,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1364802546, now seen corresponding path program 1 times [2022-07-20 03:09:13,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:13,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923778182] [2022-07-20 03:09:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:13,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:09:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:09:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:09:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:09:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:09:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 03:09:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:09:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 03:09:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:09:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:09:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:09:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 03:09:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 03:09:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 03:09:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-20 03:09:14,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:14,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923778182] [2022-07-20 03:09:14,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923778182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:14,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:14,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:09:14,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527959354] [2022-07-20 03:09:14,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:14,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:09:14,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:14,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:09:14,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:09:14,228 INFO L87 Difference]: Start difference. First operand 45870 states and 66006 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 03:09:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:20,247 INFO L93 Difference]: Finished difference Result 108874 states and 155966 transitions. [2022-07-20 03:09:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:09:20,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 304 [2022-07-20 03:09:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:20,615 INFO L225 Difference]: With dead ends: 108874 [2022-07-20 03:09:20,616 INFO L226 Difference]: Without dead ends: 63043 [2022-07-20 03:09:20,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:09:20,928 INFO L413 NwaCegarLoop]: 5265 mSDtfsCounter, 4280 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 3032 mSolverCounterSat, 1804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4878 SdHoareTripleChecker+Valid, 10609 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 3032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:20,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4878 Valid, 10609 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1804 Valid, 3032 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 03:09:20,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63043 states. [2022-07-20 03:09:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63043 to 62689. [2022-07-20 03:09:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62689 states, 44485 states have (on average 1.3360008991794987) internal successors, (59432), 45907 states have internal predecessors, (59432), 14723 states have call successors, (14723), 3468 states have call predecessors, (14723), 3480 states have return successors, (15099), 14336 states have call predecessors, (15099), 14723 states have call successors, (15099) [2022-07-20 03:09:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62689 states to 62689 states and 89254 transitions. [2022-07-20 03:09:23,524 INFO L78 Accepts]: Start accepts. Automaton has 62689 states and 89254 transitions. Word has length 304 [2022-07-20 03:09:23,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:23,530 INFO L495 AbstractCegarLoop]: Abstraction has 62689 states and 89254 transitions. [2022-07-20 03:09:23,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 03:09:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 62689 states and 89254 transitions. [2022-07-20 03:09:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-20 03:09:23,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:23,553 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:23,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:09:23,553 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:23,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:23,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1704077765, now seen corresponding path program 1 times [2022-07-20 03:09:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:23,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654332472] [2022-07-20 03:09:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:09:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:09:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:09:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:09:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:09:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:09:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:09:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 03:09:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 03:09:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 03:09:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 03:09:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:09:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:09:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 03:09:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 03:09:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 03:09:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 03:09:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2022-07-20 03:09:24,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:24,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654332472] [2022-07-20 03:09:24,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654332472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:24,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:24,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:09:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938134140] [2022-07-20 03:09:24,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:24,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:09:24,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:24,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:09:24,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:09:24,495 INFO L87 Difference]: Start difference. First operand 62689 states and 89254 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-07-20 03:09:33,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:38,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:38,189 INFO L93 Difference]: Finished difference Result 173747 states and 247371 transitions. [2022-07-20 03:09:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:09:38,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 335 [2022-07-20 03:09:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:38,807 INFO L225 Difference]: With dead ends: 173747 [2022-07-20 03:09:38,807 INFO L226 Difference]: Without dead ends: 111097 [2022-07-20 03:09:39,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:09:39,002 INFO L413 NwaCegarLoop]: 4322 mSDtfsCounter, 8178 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 6795 mSolverCounterSat, 4980 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8672 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 11776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4980 IncrementalHoareTripleChecker+Valid, 6795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:39,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8672 Valid, 7997 Invalid, 11776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4980 Valid, 6795 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-07-20 03:09:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111097 states. [2022-07-20 03:09:42,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111097 to 110381. [2022-07-20 03:09:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110381 states, 78220 states have (on average 1.3350421886985426) internal successors, (104427), 80629 states have internal predecessors, (104427), 25736 states have call successors, (25736), 6414 states have call predecessors, (25736), 6424 states have return successors, (26444), 25032 states have call predecessors, (26444), 25736 states have call successors, (26444) [2022-07-20 03:09:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110381 states to 110381 states and 156607 transitions. [2022-07-20 03:09:43,183 INFO L78 Accepts]: Start accepts. Automaton has 110381 states and 156607 transitions. Word has length 335 [2022-07-20 03:09:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:43,184 INFO L495 AbstractCegarLoop]: Abstraction has 110381 states and 156607 transitions. [2022-07-20 03:09:43,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-07-20 03:09:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 110381 states and 156607 transitions. [2022-07-20 03:09:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-20 03:09:43,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:43,232 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:43,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:09:43,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:43,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:43,233 INFO L85 PathProgramCache]: Analyzing trace with hash -307776352, now seen corresponding path program 1 times [2022-07-20 03:09:43,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:43,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218416419] [2022-07-20 03:09:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:09:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:09:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:09:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:09:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:09:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:09:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:09:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:09:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 03:09:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 03:09:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:09:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 03:09:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:09:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 03:09:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 03:09:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 03:09:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2022-07-20 03:09:43,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:43,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218416419] [2022-07-20 03:09:43,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218416419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:43,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:43,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:09:43,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159005595] [2022-07-20 03:09:43,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:43,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:09:43,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:43,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:09:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:09:43,851 INFO L87 Difference]: Start difference. First operand 110381 states and 156607 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 03:09:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:52,632 INFO L93 Difference]: Finished difference Result 269826 states and 383288 transitions. [2022-07-20 03:09:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:09:52,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2022-07-20 03:09:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:53,499 INFO L225 Difference]: With dead ends: 269826 [2022-07-20 03:09:53,500 INFO L226 Difference]: Without dead ends: 159603 [2022-07-20 03:09:53,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:09:53,808 INFO L413 NwaCegarLoop]: 8236 mSDtfsCounter, 4275 mSDsluCounter, 7037 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 1463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4946 SdHoareTripleChecker+Valid, 15273 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1463 IncrementalHoareTripleChecker+Valid, 3245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:53,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4946 Valid, 15273 Invalid, 4708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1463 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 03:09:54,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159603 states. [2022-07-20 03:09:58,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159603 to 158613. [2022-07-20 03:09:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158613 states, 112255 states have (on average 1.3326087924814038) internal successors, (149592), 115705 states have internal predecessors, (149592), 36995 states have call successors, (36995), 9350 states have call predecessors, (36995), 9362 states have return successors, (37979), 35979 states have call predecessors, (37979), 36995 states have call successors, (37979) [2022-07-20 03:09:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158613 states to 158613 states and 224566 transitions. [2022-07-20 03:09:59,788 INFO L78 Accepts]: Start accepts. Automaton has 158613 states and 224566 transitions. Word has length 327 [2022-07-20 03:09:59,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:59,789 INFO L495 AbstractCegarLoop]: Abstraction has 158613 states and 224566 transitions. [2022-07-20 03:09:59,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 03:09:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 158613 states and 224566 transitions. [2022-07-20 03:09:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-20 03:09:59,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:59,821 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:59,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:09:59,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:59,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash -123706751, now seen corresponding path program 1 times [2022-07-20 03:09:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:59,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244673579] [2022-07-20 03:09:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:10:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:10:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:10:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:10:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:10:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:10:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:10:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:10:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:10:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:10:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:10:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:10:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:10:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:10:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:10:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:10:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:10:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:10:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:10:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:10:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:10:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 03:10:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 03:10:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 03:10:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 03:10:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 03:10:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 03:10:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:10:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 03:10:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 03:10:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 03:10:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 03:10:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-07-20 03:10:00,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:10:00,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244673579] [2022-07-20 03:10:00,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244673579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:10:00,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:10:00,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:10:00,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278324259] [2022-07-20 03:10:00,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:10:00,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:10:00,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:10:00,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:10:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:10:00,460 INFO L87 Difference]: Start difference. First operand 158613 states and 224566 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 03:10:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:10:12,158 INFO L93 Difference]: Finished difference Result 422195 states and 600357 transitions. [2022-07-20 03:10:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:10:12,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2022-07-20 03:10:12,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:10:14,131 INFO L225 Difference]: With dead ends: 422195 [2022-07-20 03:10:14,131 INFO L226 Difference]: Without dead ends: 263740 [2022-07-20 03:10:14,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:10:14,630 INFO L413 NwaCegarLoop]: 7963 mSDtfsCounter, 4490 mSDsluCounter, 6920 mSDsCounter, 0 mSdLazyCounter, 3204 mSolverCounterSat, 1508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 14883 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 3204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:10:14,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5177 Valid, 14883 Invalid, 4712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 3204 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 03:10:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263740 states.