./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:06:21,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:06:21,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:06:21,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:06:21,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:06:21,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:06:21,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:06:21,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:06:21,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:06:21,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:06:21,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:06:21,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:06:21,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:06:21,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:06:21,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:06:21,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:06:21,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:06:21,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:06:21,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:06:21,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:06:21,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:06:21,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:06:21,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:06:21,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:06:21,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:06:21,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:06:21,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:06:21,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:06:21,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:06:21,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:06:21,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:06:21,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:06:21,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:06:21,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:06:21,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:06:21,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:06:21,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:06:21,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:06:21,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:06:21,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:06:21,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:06:21,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:06:21,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:06:21,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:06:21,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:06:21,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:06:21,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:06:21,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:06:21,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:06:21,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:06:21,793 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:06:21,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:06:21,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:06:21,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:06:21,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:06:21,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:06:21,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:06:21,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:06:21,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:06:21,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:06:21,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:06:21,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:06:21,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:06:21,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:06:21,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:06:21,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:06:21,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:06:21,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:06:21,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:06:21,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:06:21,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:06:21,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:06:21,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:06:21,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-12-16 05:06:22,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:06:22,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:06:22,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:06:22,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:06:22,116 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:06:22,117 INFO L432 ainManager$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 [2021-12-16 05:06:22,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c632456/7eb99e19697f431781e3aac4b4e67c33/FLAG3dffb2b32 [2021-12-16 05:06:23,065 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:06:23,066 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 [2021-12-16 05:06:23,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c632456/7eb99e19697f431781e3aac4b4e67c33/FLAG3dffb2b32 [2021-12-16 05:06:23,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c632456/7eb99e19697f431781e3aac4b4e67c33 [2021-12-16 05:06:23,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:06:23,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:06:23,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:06:23,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:06:23,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:06:23,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:06:23" (1/1) ... [2021-12-16 05:06:23,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f1d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:23, skipping insertion in model container [2021-12-16 05:06:23,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:06:23" (1/1) ... [2021-12-16 05:06:23,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:06:23,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:06:27,067 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] [2021-12-16 05:06:27,070 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] [2021-12-16 05:06:27,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:06:27,159 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:06:27,539 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] [2021-12-16 05:06:27,540 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] [2021-12-16 05:06:27,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:06:27,820 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:06:27,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27 WrapperNode [2021-12-16 05:06:27,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:06:27,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:06:27,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:06:27,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:06:27,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,307 INFO L137 Inliner]: procedures = 567, calls = 4460, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9108 [2021-12-16 05:06:28,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:06:28,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:06:28,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:06:28,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:06:28,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:06:28,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:06:28,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:06:28,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:06:28,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (1/1) ... [2021-12-16 05:06:28,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:06:28,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:06:28,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 05:06:28,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 05:06:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:06:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:06:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:06:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:06:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-16 05:06:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-16 05:06:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-16 05:06:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-16 05:06:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-16 05:06:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-16 05:06:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 05:06:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 05:06:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-16 05:06:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-16 05:06:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:06:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:06:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 05:06:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 05:06:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-16 05:06:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-16 05:06:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-16 05:06:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-16 05:06:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-16 05:06:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-16 05:06:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-16 05:06:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-16 05:06:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:06:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:06:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-16 05:06:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-16 05:06:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-16 05:06:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-16 05:06:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-16 05:06:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-16 05:06:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-16 05:06:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-16 05:06:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 05:06:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 05:06:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 05:06:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 05:06:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-16 05:06:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-16 05:06:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-16 05:06:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-16 05:06:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-16 05:06:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-16 05:06:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:06:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:06:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:06:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:06:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 05:06:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 05:06:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 05:06:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 05:06:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:06:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:06:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-16 05:06:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-16 05:06:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:06:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:06:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:06:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:06:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-16 05:06:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-16 05:06:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 05:06:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 05:06:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 05:06:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 05:06:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:06:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-16 05:06:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-16 05:06:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-16 05:06:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-16 05:06:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:06:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:06:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-12-16 05:06:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-12-16 05:06:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 05:06:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 05:06:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-16 05:06:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-16 05:06:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:06:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-16 05:06:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-16 05:06:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-16 05:06:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-16 05:06:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-16 05:06:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-16 05:06:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:06:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:06:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-16 05:06:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-16 05:06:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 05:06:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 05:06:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:06:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-16 05:06:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-16 05:06:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:06:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:06:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:06:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-16 05:06:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-16 05:06:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-16 05:06:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-16 05:06:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:06:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:06:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:06:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:06:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:06:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:06:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:06:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:06:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:06:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:06:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 05:06:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 05:06:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-16 05:06:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-16 05:06:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-16 05:06:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-16 05:06:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-16 05:06:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-16 05:06:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 05:06:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 05:06:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-16 05:06:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-16 05:06:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:06:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:06:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-16 05:06:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-16 05:06:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:06:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:06:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:06:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-16 05:06:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-16 05:06:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 05:06:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 05:06:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 05:06:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 05:06:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-16 05:06:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-16 05:06:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-16 05:06:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-16 05:06:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:06:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:06:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:06:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:06:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:06:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:06:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-16 05:06:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-16 05:06:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:06:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:06:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 05:06:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 05:06:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:06:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:06:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-16 05:06:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-16 05:06:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-16 05:06:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-16 05:06:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-16 05:06:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-16 05:06:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 05:06:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 05:06:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-16 05:06:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-16 05:06:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-16 05:06:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-16 05:06:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 05:06:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 05:06:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-16 05:06:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-16 05:06:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-16 05:06:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-16 05:06:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 05:06:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 05:06:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-16 05:06:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-16 05:06:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:06:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:06:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 05:06:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 05:06:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-16 05:06:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-16 05:06:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:06:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:06:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-16 05:06:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-16 05:06:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-16 05:06:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-16 05:06:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 05:06:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 05:06:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-16 05:06:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-16 05:06:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-16 05:06:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-16 05:06:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-16 05:06:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-16 05:06:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-16 05:06:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-16 05:06:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-16 05:06:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-16 05:06:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:06:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:06:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-16 05:06:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-16 05:06:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:06:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:06:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:06:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:06:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:06:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:06:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-16 05:06:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-16 05:06:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 05:06:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 05:06:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:06:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:06:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-16 05:06:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-16 05:06:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:06:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:06:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 05:06:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 05:06:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:06:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-12-16 05:06:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-12-16 05:06:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-16 05:06:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-16 05:06:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:06:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:06:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:06:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-16 05:06:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-16 05:06:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-16 05:06:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-16 05:06:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:06:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:06:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:06:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-16 05:06:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-16 05:06:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:06:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:06:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:06:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:06:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-16 05:06:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-16 05:06:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-16 05:06:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-16 05:06:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-16 05:06:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-16 05:06:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-16 05:06:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-16 05:06:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-16 05:06:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-16 05:06:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 05:06:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 05:06:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-16 05:06:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-16 05:06:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-16 05:06:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-16 05:06:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:06:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:06:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:06:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:06:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 05:06:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 05:06:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-16 05:06:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-16 05:06:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:06:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:06:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-16 05:06:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-16 05:06:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:06:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-16 05:06:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-16 05:06:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-16 05:06:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-16 05:06:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 05:06:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 05:06:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:06:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:06:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-16 05:06:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-16 05:06:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-16 05:06:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-16 05:06:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:06:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:06:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-16 05:06:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-16 05:06:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 05:06:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 05:06:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-16 05:06:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-16 05:06:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-16 05:06:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-16 05:06:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:06:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:06:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-16 05:06:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-16 05:06:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 05:06:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 05:06:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 05:06:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 05:06:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-16 05:06:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-16 05:06:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 05:06:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 05:06:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-16 05:06:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-16 05:06:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-16 05:06:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-16 05:06:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:06:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:06:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:06:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-16 05:06:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-16 05:06:29,841 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:06:29,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:06:30,992 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:06:35,078 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:06:35,177 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:06:35,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:06:35,206 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:06:35,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:06:35 BoogieIcfgContainer [2021-12-16 05:06:35,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:06:35,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:06:35,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:06:35,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:06:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:06:23" (1/3) ... [2021-12-16 05:06:35,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6475fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:06:35, skipping insertion in model container [2021-12-16 05:06:35,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:06:27" (2/3) ... [2021-12-16 05:06:35,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6475fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:06:35, skipping insertion in model container [2021-12-16 05:06:35,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:06:35" (3/3) ... [2021-12-16 05:06:35,218 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-16 05:06:35,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:06:35,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 05:06:35,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:06:35,278 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 05:06:35,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 05:06:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 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) [2021-12-16 05:06:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-16 05:06:35,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:06:35,417 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:06:35,418 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:06:35,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:06:35,423 INFO L85 PathProgramCache]: Analyzing trace with hash 42962448, now seen corresponding path program 1 times [2021-12-16 05:06:35,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:06:35,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671971860] [2021-12-16 05:06:35,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:06:35,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:06:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:06:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:06:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:06:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:06:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:06:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:06:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:06:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:06:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:06:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:06:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:06:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:06:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:06:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:06:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:06:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:06:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:06:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 05:06:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 05:06:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-16 05:06:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 05:06:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-16 05:06:36,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:06:36,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671971860] [2021-12-16 05:06:36,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671971860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:06:36,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:06:36,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:06:36,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187175299] [2021-12-16 05:06:36,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:06:36,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:06:36,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:06:36,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:06:36,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:06:36,803 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 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) [2021-12-16 05:06:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:06:43,112 INFO L93 Difference]: Finished difference Result 9171 states and 13461 transitions. [2021-12-16 05:06:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:06:43,115 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 [2021-12-16 05:06:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:06:43,178 INFO L225 Difference]: With dead ends: 9171 [2021-12-16 05:06:43,178 INFO L226 Difference]: Without dead ends: 5974 [2021-12-16 05:06:43,211 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:06:43,216 INFO L933 BasicCegarLoop]: 4770 mSDtfsCounter, 4919 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 2262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 10330 SdHoareTripleChecker+Invalid, 4869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2262 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:06:43,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 10330 Invalid, 4869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2262 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-16 05:06:43,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2021-12-16 05:06:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5931. [2021-12-16 05:06:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5931 states, 4158 states have (on average 1.3369408369408369) internal successors, (5559), 4292 states have internal predecessors, (5559), 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) [2021-12-16 05:06:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5931 states to 5931 states and 8517 transitions. [2021-12-16 05:06:43,664 INFO L78 Accepts]: Start accepts. Automaton has 5931 states and 8517 transitions. Word has length 256 [2021-12-16 05:06:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:06:43,665 INFO L470 AbstractCegarLoop]: Abstraction has 5931 states and 8517 transitions. [2021-12-16 05:06:43,665 INFO L471 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) [2021-12-16 05:06:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 8517 transitions. [2021-12-16 05:06:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-16 05:06:43,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:06:43,675 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:06:43,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:06:43,676 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:06:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:06:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash -39351180, now seen corresponding path program 1 times [2021-12-16 05:06:43,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:06:43,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192019716] [2021-12-16 05:06:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:06:43,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:06:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:06:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:06:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:06:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:06:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:06:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:06:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:06:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:06:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:06:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:06:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:06:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:06:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:06:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:06:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:06:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:06:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:06:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 05:06:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-16 05:06:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 05:06:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 05:06:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-16 05:06:44,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:06:44,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192019716] [2021-12-16 05:06:44,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192019716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:06:44,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:06:44,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:06:44,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039006550] [2021-12-16 05:06:44,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:06:44,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:06:44,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:06:44,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:06:44,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:06:44,347 INFO L87 Difference]: Start difference. First operand 5931 states and 8517 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) [2021-12-16 05:06:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:06:49,897 INFO L93 Difference]: Finished difference Result 17383 states and 25061 transitions. [2021-12-16 05:06:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:06:49,898 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 [2021-12-16 05:06:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:06:49,981 INFO L225 Difference]: With dead ends: 17383 [2021-12-16 05:06:49,981 INFO L226 Difference]: Without dead ends: 11491 [2021-12-16 05:06:50,091 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:06:50,096 INFO L933 BasicCegarLoop]: 5541 mSDtfsCounter, 4500 mSDsluCounter, 5849 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5164 SdHoareTripleChecker+Valid, 11390 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:06:50,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5164 Valid, 11390 Invalid, 4497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 2587 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-16 05:06:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2021-12-16 05:06:50,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11407. [2021-12-16 05:06:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11407 states, 7979 states have (on average 1.3368843213435269) internal successors, (10667), 8247 states have internal predecessors, (10667), 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) [2021-12-16 05:06:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11407 states to 11407 states and 16367 transitions. [2021-12-16 05:06:50,597 INFO L78 Accepts]: Start accepts. Automaton has 11407 states and 16367 transitions. Word has length 257 [2021-12-16 05:06:50,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:06:50,598 INFO L470 AbstractCegarLoop]: Abstraction has 11407 states and 16367 transitions. [2021-12-16 05:06:50,599 INFO L471 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) [2021-12-16 05:06:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 11407 states and 16367 transitions. [2021-12-16 05:06:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-16 05:06:50,609 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:06:50,610 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:06:50,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:06:50,610 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:06:50,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:06:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash -606614164, now seen corresponding path program 1 times [2021-12-16 05:06:50,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:06:50,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721439655] [2021-12-16 05:06:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:06:50,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:06:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:06:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:06:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:06:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:06:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:06:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:06:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:06:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:06:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:06:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:06:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:06:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:06:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:06:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:06:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:06:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:06:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-16 05:06:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 05:06:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 05:06:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:06:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:06:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 05:06:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 05:06:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-12-16 05:06:51,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:06:51,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721439655] [2021-12-16 05:06:51,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721439655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:06:51,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:06:51,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:06:51,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111658234] [2021-12-16 05:06:51,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:06:51,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:06:51,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:06:51,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:06:51,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:06:51,320 INFO L87 Difference]: Start difference. First operand 11407 states and 16367 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-16 05:06:54,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:07:01,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:07:01,831 INFO L93 Difference]: Finished difference Result 33867 states and 48869 transitions. [2021-12-16 05:07:01,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:07:01,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 268 [2021-12-16 05:07:01,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:07:01,998 INFO L225 Difference]: With dead ends: 33867 [2021-12-16 05:07:01,999 INFO L226 Difference]: Without dead ends: 22499 [2021-12-16 05:07:02,064 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:07:02,067 INFO L933 BasicCegarLoop]: 4219 mSDtfsCounter, 7979 mSDsluCounter, 4446 mSDsCounter, 0 mSdLazyCounter, 5768 mSolverCounterSat, 5115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8464 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 10883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5115 IncrementalHoareTripleChecker+Valid, 5768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:07:02,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8464 Valid, 8665 Invalid, 10883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5115 Valid, 5768 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-16 05:07:02,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22499 states. [2021-12-16 05:07:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22499 to 22333. [2021-12-16 05:07:02,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22333 states, 15609 states have (on average 1.3354474982381959) internal successors, (20845), 16157 states have internal predecessors, (20845), 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) [2021-12-16 05:07:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22333 states to 22333 states and 32170 transitions. [2021-12-16 05:07:03,067 INFO L78 Accepts]: Start accepts. Automaton has 22333 states and 32170 transitions. Word has length 268 [2021-12-16 05:07:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:07:03,068 INFO L470 AbstractCegarLoop]: Abstraction has 22333 states and 32170 transitions. [2021-12-16 05:07:03,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-16 05:07:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22333 states and 32170 transitions. [2021-12-16 05:07:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-12-16 05:07:03,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:07:03,083 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:07:03,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:07:03,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:07:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:07:03,085 INFO L85 PathProgramCache]: Analyzing trace with hash -841935553, now seen corresponding path program 1 times [2021-12-16 05:07:03,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:07:03,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855820314] [2021-12-16 05:07:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:07:03,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:07:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:07:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:07:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:07:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:07:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:07:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:07:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:07:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:07:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:07:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:07:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:07:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:07:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:07:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:07:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:07:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:07:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:07:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:07:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-16 05:07:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:07:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:07:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:07:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 05:07:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 05:07:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-16 05:07:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-16 05:07:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:07:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-12-16 05:07:03,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:07:03,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855820314] [2021-12-16 05:07:03,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855820314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:07:03,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:07:03,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:07:03,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310309448] [2021-12-16 05:07:03,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:07:03,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:07:03,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:07:03,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:07:03,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:07:03,638 INFO L87 Difference]: Start difference. First operand 22333 states and 32170 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) [2021-12-16 05:07:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:07:09,082 INFO L93 Difference]: Finished difference Result 66446 states and 95966 transitions. [2021-12-16 05:07:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:07:09,083 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 [2021-12-16 05:07:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:07:09,336 INFO L225 Difference]: With dead ends: 66446 [2021-12-16 05:07:09,336 INFO L226 Difference]: Without dead ends: 44152 [2021-12-16 05:07:09,442 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:07:09,444 INFO L933 BasicCegarLoop]: 5712 mSDtfsCounter, 4580 mSDsluCounter, 5968 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 1897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5264 SdHoareTripleChecker+Valid, 11680 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:07:09,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5264 Valid, 11680 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1897 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-16 05:07:09,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44152 states. [2021-12-16 05:07:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44152 to 43846. [2021-12-16 05:07:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 30654 states have (on average 1.3342467540940823) internal successors, (40900), 31755 states have internal predecessors, (40900), 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) [2021-12-16 05:07:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 63086 transitions. [2021-12-16 05:07:11,386 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 63086 transitions. Word has length 284 [2021-12-16 05:07:11,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:07:11,387 INFO L470 AbstractCegarLoop]: Abstraction has 43846 states and 63086 transitions. [2021-12-16 05:07:11,387 INFO L471 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) [2021-12-16 05:07:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 63086 transitions. [2021-12-16 05:07:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-16 05:07:11,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:07:11,410 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:07:11,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:07:11,411 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:07:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:07:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash -787119362, now seen corresponding path program 1 times [2021-12-16 05:07:11,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:07:11,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586797394] [2021-12-16 05:07:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:07:11,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:07:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat